Symmetricom XLi IEEE 1588 manuale d’uso

XLi IEEE 1588 Clock User Guide 997-01510-03 , Rev . C, December 2006[...]

Notices Symmetricom, Inc. T iming T est & Measurement 3750 We stwind Blvd. Santa Rosa, CA 95 403-1053 http://www .symmetricom.com Copyright © 2006, Symmetrico m, Inc. All rights reserved. Printed in U.S.A. All product names, service marks, tr ade marks, and registered trademarks used in this docume nt are the prop erty of their respective owne[...]

XLi IEEE 1588 Clock iii 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S T able of Contents 1: Overview and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Desc[...]

iv XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Configuring the IEEE 1588 Card(s) . . . . . . . . . . . . . . . . . . . . . . . . . 20 PTP Master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 PTP Slave . . . . . . . . . . . . . . . .[...]

XLi IEEE 1588 Clock v 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F51 – GPS Antenna Cable Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 F52 – Distribution Cable Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 F53 – GPS Operation Mode . . . . . .[...]

vi XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 PTP Sync message inter val . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 PTP burst mode enabled/disabled . . . . . . . . . . . . . . . . . . . . . . . 121 PTP network p ort enabled/disabled . . . . . . . . . . [...]

XLi IEEE 1588 Clock vii 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S C: SNMP 151 SymmetricomTtm-SMIv2.mib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 xliMainCard-SMIv2.mib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 xli-SMIv2.mib . . . . . [...]

viii XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 1 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1: Overview and Featur es Overview Description The standa rd XLi IEEE 1588 Clock , also referred to as the “XLi”, p rovides a complete implement ation of a Precise T ime Protocol (P TP) “ordinary clock” over a ded[...]

2 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Only the features listed above are s upported for the XLi IEEE 1588 clock. At the time of this writing, none of the other options for the XLi Time and Frequency system are supported on the XLi IEEE 1588 clock . Contact Symmet[...]

XLi IEEE 1588 Clock 3 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Network Port (“1588”) A IEEE1588-compliant “ordinary clock” is available from a st and-alone Ethernet port , labelled “1588”, on the rear panel of the IEEE 1588 card. PPS Output (“SYNC OUT”) A raw unfilter[...]

4 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 LEDs The following LEDs are available on the IEEE 1588 card rear panel: • Network Port (1588), Green and Amber LEDs illum inate when receiving or transmitting network traffic. • PPS: LED illuminates (green) while the SYNC[...]

XLi IEEE 1588 Clock 5 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Spec ifications Related topics: • “ Installing the GPS Antenna ” on page 15 • “ F50 – GPS Receiver LLA/XYZ Position ” on p age 53 • “ F51 – GPS Antenna Cable Delay ” on p age 55 • “ F53 – GPS O[...]

6 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 S tandard 1 10 V AC Power Supply The XLi’ s internal fault detector can monitor the three output voltag es from the primary and the secondary power supplies. With the Primary Po wer or Secondary Power indicators in F73 enab[...]

XLi IEEE 1588 Clock 7 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Clock Ar chitectur e Figures 1 and 2 on the following p age s pro vide a simpli fied view of the st andard XL i's clock a rchitectu re. Figure 1: Functional Timin g Block Diagram DAC 16.384 MHz Osc. PLL Rate Gen Code[...]

8 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Figure 2: Interface Architecture Block Diagram Keypad Osci llat or Disp lay/ K eypad I nte r f ace I/O Displ ay Rb Power 10 MHz Backplane Interface Powe r, Vc Pow e r Su ppl y DC +5 V, +/- 12 V Pow er Sup ply AC +5 V, +/- 12 [...]

XLi IEEE 1588 Clock 9 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 2: System Specifications Mechanical/Envir onmental AC Power Supply Power: 95-260 V AC, 47 to 440 Hz Operating T emperature: 0 °C to +50 °C (+32 °F to +122 °F) Maximum Rate of Change: 8 °C per hour S tor age T emperat[...]

10 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 System T ime & Fr equency Accuracy The tables below describ e system clock accuracy while locked to t he reference source indicated. Currently , GPS is the only supported reference source. GPS Receiver See GPS Signal S t[...]

XLi IEEE 1588 Clock 11 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S S tandard Inputs and Outputs The following specifications describe the st andard (as opposed to op tional) input s and outputs on the standard configuration of the XLi. Serial I/O Port The standa rd serial dat a port is [...]

12 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 J1 Input – T ime Interval - Event Time The T ime Interval - Event T i me (TIET) option measures a 1 PPS or Event input signal on J1 against the XLi derived time. The rising edge of the pulse is measured aga inst XLi time w[...]

XLi IEEE 1588 Clock 13 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S J3 Input – Auxiliary Reference Auxiliary Reference (Aux Ref): See “ F1 13 – J3 Input Configuration (Aux Ref) ” on page 104. 1 PPS – Pulse Per Second Output If a time reference is unavailable, 1 PPS is as st abl[...]

14 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 ALARM Output Certifications High Z: Power of f High Z: Alarm (e nabled alarm fault) Low Z: Normal (no enabled alarm fault s) Drive: Open Collector Max. V oltage: 25 VDC Max. Current: 50 mA Quantity: 1 Connector: Female BNC U[...]

XLi IEEE 1588 Clock 15 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 3: Installation and Set-up In a nutshell: • Install the GPS ante nna outdoors, ru n the cable, and connect it to the XLi’s GPS receiver . • Make the following connections to the XLi (all cab les supplied): - From t[...]

16 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Blocked signals and multip ath canc ellation signif icantly increase GPS acquisition time. Multip ath cancellation is caused by reflected sig nals that reach the antenna out of phase with the direct signal. Multipath cancell[...]

XLi IEEE 1588 Clock 17 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Figure 3: L1 GPS Antenna - methods for cabling and mounting GPS Signal S trength Requir ements Refer to Figure 4: The required gain at the GPS receive r ’s ANTENNA connector is greater tha n 20 dB and less than 36 d B.[...]

18 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 VSWR, and input impedance also affect system performance. Symmetricom recommends using the standard 12-volt ca pable antenna and cabl e provided with the GPS receiver . Figure 4: GPS Signal S t rength Requirement s Connect t[...]

XLi IEEE 1588 Clock 19 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Configuring Network Settings The following step s are required to make th e XLi’s Main CPU card operational on a netwo rk. Do this if you plan on using the command line or web in terf ace to manage the XLi over th e ne[...]

20 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 antenna is not in an opt imal site or there is a problem with the antenna cable connections. If this delay is unexpected, consider relocating the GPS antenn a to a better site or trouble- shooting the GPS antenna cable. • [...]

XLi IEEE 1588 Clock 21 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • SLA VE SYNC THRESHOLD - 5 microsec • PTP PREFERRED MASTER - DISABLE Note: When two IEEE 1588 cards are present, use the up/down arrow keys to select the PTP ma st er i n Option Bay 4 before making changes. Using th[...]

22 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Note: The IEEE 1588 card configured as a P TP slave relies on T AI as the time scale of the PTP master . Distributing non-T AI time over PTP while the P TP sl ave is a reference source will have a predict- able ef fect on th[...]

XLi IEEE 1588 Clock 23 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • Secure the bracket s to the rack using rack mount screws. Note: Ensure that the ambient operating temperature doe s not exceed +50 ° C. Install the XLi chassis so that the top and bottom ho les are unobstructed and [...]

24 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 25 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 4: User Interfaces The XLi features two user interfaces for controlling the XLi’ s functions: • A keypad/display interface on the front p anel of the XLi • A command line interface , availa ble through the serial a[...]

26 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 T ime Display related functions: • Select between the 12 or 24 hour format d isplayed: “ F2 – 12/24 Hour Format ” on page 39 . T ime related functions: • “ F1 – T ime Zone Of fset ” on p age 38 • “ F3 –[...]

XLi IEEE 1588 Clock 27 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Pressing the MENU key on the front of the XLi disp lays the first function, F1: TIME ZONE OFFSET : Pressing the UP ARROW key increment s to the nex t function, F2 - 12/24 HOUR FORMA T , and so on. Pressing the DOWN ARROW[...]

28 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Keypad Examples The following examples show how to use t he keypad ef fectively . T o open a function using ENTER: T o open a function using MENU: T o change the settings in a function, and not save them: Other ways to aband[...]

XLi IEEE 1588 Clock 29 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S T o enter numeric values in a function: Command Line Interface T o open a command line session, connect to the serial or network port using a terminal or a terminal emulation program on a PC. Consult “ 5: Function Refe[...]

30 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Logging Out Y ou can log out using any of the following commands: logout logoff exit quit Changing Username and Password T o change the user name and p ass word, use the follo wing commands: • “ F100 P – Change User Pa[...]

XLi IEEE 1588 Clock 31 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Network port session: WELCOME TO SYMMETRIC OM NETWORK INT ERFACE! USER NAME: operator PASSWORD: ***** NETWORK INTERFACE 19 2-8001 (c ) 1998 - 2003 SYMME TRICOM ALL RIGHTS RESERVED LOGIN SUCCESSFUL! >f100 ic f100 IP:19[...]

32 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The web interface manages this distinction by provid ing two sets of web pages. Pages available from the XLi Admin Homepage display status information and let the user change the XLi’s configu ration settings. Pages availa[...]

XLi IEEE 1588 Clock 33 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S settings, alarms, and SNMP). • System I/O - the st atus and configuration of the input and output co nnectors on the rear of the main CPU card (e.g., communication settings, code out, J1, J2, and J3). • Subsystem - c[...]

34 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 35 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 5: Function Refer ence Function Summary The following summary list s all the XLi functions, iden tifie s the user interfaces from which each one is available, and provides a brie f description of the function. Available [...]

36 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F66 – Daylight Saving T i me (DST) Mode K,N,S,W Schedule whe n DST star ts and e nds (Local time on ly) F69 – T ime Mode K,N,S,W Set the time scale (T AI, G PS, UTC, S tandard, Lo cal) output by the IEEE 1588 card and di[...]

XLi IEEE 1588 Clock 37 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F100 K I L L – Reboot N,S Reboot the XLi F100 P – Change User Pa ssword N,S,W Change the XLi p assword F100 PI – PING N,S Ping from the XLi to another host on the network F100 PN – Change User Name N,S,W Change t[...]

38 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F1 – T ime Zone Offset Use function F1 to display an d set the time zo ne of fse t between your S tandard T ime zone and Universal T ime Coordinated (UTC). Refer to “ F: W orld Map of T ime Zones: ” on page 193 . F1 is[...]

XLi IEEE 1588 Clock 39 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S XLi responds: OK<CR><LF> T o verify the change, enter: F1<CR> XLi Responds: F1 –8:00<CR><LF> F2 – 12/24 Hour Format Use function F2 to make 12 or 24-hour time not ation available from: ?[...]

40 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The XLi responds: F2<S>D<HH><SEP>I<HH> <CR><LF> where: For example, to display the current ho ur format, send: F2<CR> The XLi responds: F2 D24 I24<CR><LF> T o set the hou[...]

XLi IEEE 1588 Clock 41 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S TIME MODE selects which time scale (T AI, Local, S t andard, GPS, UTC) is b eing entered by the user . The XLi, translates the user entry into it s equivalents in other time scales. For example, if Local time is - 5 hour[...]

42 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 For example, to display the date and t ime, send: F3<CR> XLi responds: F3 UTC 01/01/20 02 00:05:34<CR ><LF> T o set the time and date, send: F3 UTC 07/14/2002 18 :20:30<CR> Only valid times and dates [...]

XLi IEEE 1588 Clock 43 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: Note: Parity - NONE is only available/valid wh en Data Bit s is set to 8. For example, to display the serial port settin gs, send: F4<CR> The XLi responds: F4 232 9600 8 none 1<CR><LF> T o set th[...]

44 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The XLi estimates the time error based on the oscillator -type and on the degree of steering (DAC value) applied to the oscillator before the reference source became una vailable. As time error grows and exceeds the threshol[...]

XLi IEEE 1588 Clock 45 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, to display the time qualit y status and fla gs, enter: F5<CR> XLi responds: F5 DISABLE 000000010 00 00000010000 00000100000 000010 00000<CR><LF> T o enable time quality reporting, an[...]

46 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 XLi responds: F6<S><STATE><CR><LF> where: For example, to display the Keyp ad Lock status, send: F6<CR> XLi responds: F6 DISABLE<CR><LF> T o enable Keypad Lock, send the following st[...]

XLi IEEE 1588 Clock 47 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • F5 – T ime-Quality Setup (page 43) • F1 1 - Time Ou tput Format (page 50) • F69 – T ime Mode (page 65) The Format of the F8 Output S tring The factory setting for the output string fo rmat is as follows: <[...]

48 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 While Synchronizing to a Refer ence Sour ce Following startu p, the user should avoid using F8 o utputs until the XLi has acquired and locked to a timing reference source such as GPS PRI (when F131 is set to P TP MASTER) or [...]

XLi IEEE 1588 Clock 49 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F9 - T ime On Request This function is available through the command line in terface only . It is not available from the keypad. Use function F9 to record the exact time the XLi receives a request from the user . Enter t[...]

50 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F9<CR> Then, to request the current time, enter SHIFT -T on your keyboard. ("T" does not appear). XLi responds: <SOH>128:20:30:04.35 7*<CR><LF> T o exit F9 press Ctrl-C on your keyboard. F1 [...]

XLi IEEE 1588 Clock 51 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The time quality character , "Q", is one of the following characters: Note: F8 does not display milliseconds, regar dless of th e format defined in F1 1. Suppress the “DDD”, “HH”, “MM”, “SS”, ?[...]

52 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F11 DDDDHHHMMMSSSmmm Q With the new formatting, F8 displays: 128D16H41M27* And F9 displays: 365D16H45M22S680* F13 – T ime Err or Use function F13 to request the estimate d worst-case time error due to oscillator drif t dur[...]

XLi IEEE 1588 Clock 53 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F18 – Softwar e V ersion Request Use function F18 to display the current firmwa re version numbers of the firmware in th e XLi: • Bootloader • Software (fir mware) • File System •P r o j e c t R e v # •F P G [...]

54 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 • Display the option bay location of the GPS receiver( s). If multiple GPS receivers are available, use the UP/DOWN ARROW keys to select a receiver . • Select the positional coordinate system, L atitude Longitude Altitud[...]

XLi IEEE 1588 Clock 55 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S XLi responds: F50 B1 N 38d23'51.3" W 122d42'53.2 " 58m<CR><LF> T o display the present antenna position using ECEF XYZ coordinates in meters, use the following format: F50<S>B<N&g[...]

56 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 59 GPS antenna cable supplied with the XLi. If th e GPS antenna is connected using a dif ferent antenna length, calculate the new value usin g the multiple given below and adjust the value of F51. If using an optional Down/U[...]

XLi IEEE 1588 Clock 57 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S T o set the antenna cable delay for an o ption card, use the following format: F51<S>B<N><S><DELAY> NS<CR> For example, to set the antenna ca ble delay for the GPS card in option bay 4 to 10[...]

58 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example, to display the current distribution cable delay , enter: F52<CR> XLi responds: F52 +000000ns<CR><LF > T o set the distribution cable delay to 60 ns, enter: F52 +000060ns<CR> XLi re[...]

XLi IEEE 1588 Clock 59 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S If an GPS C/A Receiver is available, F53 displays: GPS M12 AVAILABILITY OPTION BAY # Where # is the option bay numb er th e card is loca ted in. If more than one GPS C/A Receiver is present, use the UP/DOWN ARROW buttons[...]

60 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Example response: F53 B1 AUTO MODE (or DYNAMIC MODE) T o set the GPS Operation Mode, ente r a command using the following format: F53<SP>B<N><SEP><MOD E><CR><LF> where <MODE> equals [...]

XLi IEEE 1588 Clock 61 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F60<S>B<N><SEP><TYPE ><CR> XLi responds with approximately 32 lines that u se the following format: F6 0<S>B <N><S> prn<NN><S > <STATE> tracked current<[...]

62 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F60 B1 prn18 unknown F60 B1 prn19 unknown F60 B1 prn20 unknown F60 B1 prn21 unknown F60 B1 prn22 good cu rrent -164dBW F60 B1 prn23 unknown F60 B1 prn24 unknown F60 B1 prn25 unknown F60 B1 prn26 unknown F60 B1 prn27 good cu [...]

XLi IEEE 1588 Clock 63 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F66 – Daylight Saving T ime (DST) Mode Use function F66 to enable or disable Daylig ht Saving T ime (DST), and to sche dule when Local time enters and leaves DST . The factory setting for F66 is Ma nual (i.e., DST On).[...]

64 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example, enter: F66 MANUAL 02 1 1 04 02 0 1 10 Meaning: • Manual settings are in ef fect. • The entry time is 02 a.m., week 1 (first), day 1 (Sunday), month 4 (April) • The exit time is 02 a.m., week 0 (l as[...]

XLi IEEE 1588 Clock 65 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F69 – T ime Mode Use function F69 to select the time mode (time sca le) shown or output by: • The XLi’s front p anel display • The following command line functions (network and serial port) : - “ F8 - Continuou[...]

66 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Related functions: • “ F1 – T ime Zone Of fset ” on p age 38 • “ F66 – Daylight Saving Ti me (DST) Mode ” on p age 63 • “ F8 - Continuous T ime Once-per-Seco nd ” on page 46 • “ F9 - T ime On Reques[...]

XLi IEEE 1588 Clock 67 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, to change the time mode to lo cal time, enter: F69 LOCAL<CR> Or , to change the time mode to UTC, enter: F69 UTC<CR> XLi responds to these changes with: OK<CR><LF> F71 – Osci[...]

68 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example, enter: F71<CR> XLi responds: F71 PHASE=-5.678E-09 s OFFSET=-1.9 86E-07 DRIFT= 6.013 E-08/DAY DAC=24567 <CR><LF> F72 – Fault S tatus Use function F72 to display the fault st atus of the[...]

XLi IEEE 1588 Clock 69 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F72<CR> The XLi responds: F72<SP>PLL: <CLK PLL ><S P> CLK: <CLK STATUS><SP ><CLK REF:><SP> PWR1:<PWR1 STATUS><SP> PWR2: <PWR2 STATUS>< SP>OSC: <O[...]

70 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 • See the st ate of the Alarm Latch for each ind icator • Clear the Alarm Latch for all indicators • Enable or disable blinking of the Alarm S tatus LED on the front p anel while it is green or ambe r • Set the value[...]

XLi IEEE 1588 Clock 71 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Alarms - General Information With Alarm Disabled, an F73 indicator does no t trigger and alarm when it enters an Un locked or Fault state. With Alarm Enabled, an F73 indicator triggers an alarm when it enter s an Unlocke[...]

72 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The keyboard/display interface shows the Alarm Latch as an asterisk next to an in dicator , as follows: Power On Alarm Suppress Power On Alarm Suppress prevent s all F73 alarms fr om o ccurring for a specified interval af te[...]

XLi IEEE 1588 Clock 73 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S S = ASCII character S, S tatus delimiter <STATUS> = 'L' Locked 'U' Unlocked <SOURCE> = 'A' Clock IR IG A 'B' Clock IRIG B 'G' Clock I R IG G 'N' loc[...]

74 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 T o see the states the Alarm Latches for all of the indicators, ente r: F73<S>LATCH<CR> XLi replies: F73<S>LATCH<SEP><123 ><CR><LF> T o clear the Alarm Latches, enter: F73<S>CL[...]

XLi IEEE 1588 Clock 75 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The following reference t able identifies the indicators that correspond to each position in F73 mask syntax. Use this t able when entering or revie wing MASK settings. T able also provides the factory settings for a uni[...]

76 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 T o view the T ime Thresh old setting, enter: F73<S>THRESHOLD<CR> XLi replies: F73<S>THRESHOLD<S><n anoseconds><S> ns<CR><LF> where <nanoseconds> is the ti me error thres[...]

XLi IEEE 1588 Clock 77 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The XLi responds: F73 POWER-ON MINOR A LARM SUPPRESS 300 T o set a new Power-On Alarm Suppress value, ente r the following string, replacing <SEC> with the number of seconds (Range 0 to 86,400 sec onds) , enter: F7[...]

78 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Command Line T o display the current setting s, enter: F74<CR> XLi responds, using the following format: F74<S><CLK SOURCE><CR><LF > where: For example, enter: F74<CR> XLi responds (exampl[...]

XLi IEEE 1588 Clock 79 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The factory settings for F90 are IRIG-B and AM. Although the factory configuration o utputs UTC time in 24-hour format, the followin g can be used to modify the code output of F90 for non -standard application s: • “[...]

80 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F100 – Network Port Configuration & XLi Firmwar e F100 provides two group s of commands: • Group 1, available through the keypad /display and the command line, provides access to network port settings and hardware/Fi[...]

XLi IEEE 1588 Clock 81 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The following tab le gives the command line equiva lent s for each of the preceding p arameters: Group 2 The following exp anded command set is available t hrough the command line interface: Y ou can reconfigure two or m[...]

82 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F100 EA – Ethernet Address Use function F100 EA to display the Ethernet Add ress (MAC Address) ( Note : An Ethernet or MAC Address is not the same thing as an IP Address), a fixed, six-byte, hexadecimal value specific t o [...]

XLi IEEE 1588 Clock 83 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S For example, enter: F100 IP 206.54.0.21< CR> XLi responds: OK<CR><LF> RESETING THE UNIT<CR ><LF> PLEASE WAIT…<CR><LF> T o obtain the IP address of the unit S tandard network po[...]

84 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example, enter: F100 SM 255.255.255. 240<CR> XLi responds: OK<CR><LF> RESETING THE UNIT<CR ><LF> PLEASE WAIT…<CR><LF> T o obtain the Subnet Mask of the unit S tandard ne[...]

XLi IEEE 1588 Clock 85 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, enter: F100 G 206.54.0.17<C R> XLi responds: OK<CR><LF> RESETING THE UNIT<CR ><LF> PLEASE WAIT…<CR><LF> T o obtain the Default Gateway of th e unit S t anda[...]

86 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 selecting between 10 Base-T and Auto. If you h ave questions about your unit, cont act H: Sales and Customer Assist ance (page 197) . T o display the current Base-T setting, enter: F100<S>BASET<CR> where The XLi [...]

XLi IEEE 1588 Clock 87 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, enter: F100 LOCK<CR> T o users on the serial port, XLi responds: OK<CR><LF> Or , to users on the network port, XLi gives t he following response and then closes the port: GOODBYE.<[...]

88 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 XLi responds: F100 L LOCKED<CR><LF > or F100 L UNLOCKED<CR>< LF> F100 ST – Self T est S tatus Use function F100 ST to display wheth er the Self T est S tatus parameters p assed or failed. T he param[...]

XLi IEEE 1588 Clock 89 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: An example of the response is: F100 ST FLASH/CRC : PASS, RAM : PA SS, SERIAL : PASS, NVRAM VER : PASS<C R><LF> F100 BH – Burn Host Use function F100 BH, when upgrading f irmware, to select the FTP ho[...]

90 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 T o write the BootLoader to the flash, send the F100 BH command with the FTP host, file path and name, and then enter: F100 BUB<CR> XLi responds: OK<CR><LF> For example: >f100 bub OK BURNING FILE 192-800[...]

XLi IEEE 1588 Clock 91 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S SEC: 14 RE: 0 SEC: 15 RE: 0 SEC: 16 RE: 0 SEC: 17 RE: 0 SEC: 18 RE: 0 SEC: 19 RE: 0 SEC: 20 RE: 0 SEC: 21 RE: 0 SEC: 22 RE: 0 FLASH SUCCESSFULLY P ROGRAMMED CRC3 2 = 0x2D9A260A F100 BF – Burn File System Note: See “B[...]

92 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The existence of the FPGA p rogram file on the FTP server and an Ethernet connection is checked when the command is issued. T o write the FPGA program to the flash, send t he F100 BH command with the FTP host, file p ath and[...]

XLi IEEE 1588 Clock 93 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Notes: • See “ A: Using F100 Configuratio n ” on pag e 141. F100 CONFIG GET instruct s the XLi unit to transfer it s SNMP configuration file to an FTP server . After editing the SNMP configuration file on the FTP s[...]

94 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Units are shipped to the cu stomer with no jumper inst alled. The jumper is used by Symmetricom technicians to test and co nfigure the unit. With this jumper inst alled, the operation and integrity of the XL i are compromise[...]

XLi IEEE 1588 Clock 95 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S In a network port session, rebooting the XLi terminates the network port session; open a new network port session when the XLi has finished rebootin g. In a serial port session, the XLi displa ys text similar to the foll[...]

96 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: The XLi responds: ENTER NEW USER PASSW ORD: When you enter the new password, the XLi responds: CONFIRM NEW USER PAS SWORD: Enter the same new p assword again, to confirm the spelling. If the same new password ha s bee[...]

XLi IEEE 1588 Clock 97 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S T o test if the XLi’ s network port has a good connection , enter the following using in a serial port session: >f100 PI<CR> The Xli responds: PING : REMOTE HOST F OUND.<CR><LF> or it responds: PIN[...]

98 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 In this case, the old user name will be used for the next login using the comman d line interface. If you have forgotten the o perator or guest user name and/or p assword, use “Bootloader Mode” to change them. In Bootloa[...]

XLi IEEE 1588 Clock 99 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, enter the following st ring: F108<CR> The XLi responds (example): F108 OSCILLATOR CONF IG TCVCXO<CR>< LF> F1 10 – J1 Input (TIET) Note: The T ime Interval - Event T ime (TIET) opti[...]

100 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 • Input Polarity : Positive, Negative • Prop agation Delay : (Range 0 to 99999 μ S in 1 μ S step s) (Factory setting: 1 μ S ) Compen sates for delay caused by cable length on the J1 input. • IRIG Mode : (Sync Gen) [...]

XLi IEEE 1588 Clock 101 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F110<S><Code><S><Sou rce><S><Impedance>< S><Type><S><Sign><S><De lay><S><Mode> <S><Bypass><CR><LF> Or F110<S[...]

102 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Or F110 TIET 50 POSITIV E<CR><LF> T o set the J1 Input Configuration, make a command line entry using the same format as the XLi response above. Only valid val ues are accepted. For exa mple: F110 IRIG A SECONDA[...]

XLi IEEE 1588 Clock 103 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Use function F1 1 1 to configure the J2 Output to gene rate rates (listed below). The following rat es are available as a standard feature: 1 PPS, 10 PPS, 100 PPS, 1 kPPS, 10 kPPS, 1 MPPS, 5 MPPS, 10 MPPS. The factory s[...]

104 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Setting the J2 Output Configuration T o set the J2 Output Configura tion, send a character string with the previously defined F1 1 1 entry format to the Serial/Network port. Only valid values are ac cep ted. The J2 Output C[...]

XLi IEEE 1588 Clock 105 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S When the XLi reacquires a time refere nce source and is steering it s own internal oscillator , it stops using Aux Ref as its frequency ref erence. For Aux Ref to work: • The Aux Ref frequency source must be connected[...]

106 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F113 AUX REF 1MHZ 50 <CR><LF> Or F113 DISABLE<CR><LF> T o set the J3 Input Configuration, enter a character string using the same formats as the preced ing XLi responses . Only valid values are accep[...]

XLi IEEE 1588 Clock 107 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F1 17 – Factory Configuration Note: The standard XLi IEEE 1588 clock includes the TIET option as a standard feature. The other optional software features, NTP, FREQ ME AS, and PPO, are unavailable for th e standard XL[...]

108 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F1 18 – Option Board Configuration Note: The standard XLI IEEE 1588 Clock includes a GPS C/A Receiver (87-8028-2) and an IEEE 1588 card . Other option cards are cu rrently unsupported for the stan dard XLI IE EE 1588 cloc[...]

XLi IEEE 1588 Clock 109 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The XLi responds: F118<S>B<N><S><OC><C R><LF> where: For example, enter: F118 B1<CR> XLi responds: F118 B1 GPS M12 RECE IVER For a summary of all the option bays, exclude bay nu[...]

110 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F1 19 – GPS Receiver Configuration Note: The standard XLi I EEE 1588 clock features the GPS C/A Receiver (87-8028-2) . Other receiver types are currently unavailable as options fo r the standard XLi IEEE 1588 clock. Summa[...]

XLi IEEE 1588 Clock 111 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Following power-up and initialization, t he receiver r equires at least four concurre nt “good current” satellites to resolve its current position. In rare cases, when a pair of “good curren t” satellites are on[...]

112 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 GPS Antenna (Ok or Open) The GPS antenna is powered by a 12-volt curr ent from the ANTENNA connector on the rear of the XLi. If this circuit is complete (e.g., connected to an antenna) GPS Ante nna status is OK. If the circ[...]

XLi IEEE 1588 Clock 113 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S For example, enter: F119 B1 S XLi responds (example): F119 B1: GPS PART NUMBER 87-8028-02 SOFTWARE 230-01 510-04v1.17 FPGA 184-8024v1 GPS STATUS UNLO CKED GPS ANTENNA OK GPS ACQUISITION STATE: SURVEY POSITION T o obtain[...]

114 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example to make it a prima ry reference source, e nter: F119 B1 C PRI<CR>< LF> XLi responds: OK<CR><LF> F120 - N.1 Fr equency Synthesizer Note: The N.1 card is currentl y unavailable as an[...]

XLi IEEE 1588 Clock 115 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F126 – Options Key Entry Note: The TIET option is included in the standard XLi IEEE 1588 clock. The Freq Meas, PPO, and NTP options are curr e ntly unav aila ble for the sta nda rd XLi IEEE 1588 clock. Use function F1[...]

116 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F130 - Pr ecision T ime Pr otocol S tatus Note: The IEEE 1588 card becomes available in the user interface af ter the XLi IEEE 1588 Clock has been operating for approximate ly 3 to 5 minutes. Use F130 to obtain the followin[...]

XLi IEEE 1588 Clock 117 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • PTP CLOCK ID - GPS Command Line T o obtain the st atus of the P TP card, send a command using the fo llowing format: F130<SP>B<N><SEP>S where: For example, enter: F130 B4 S The XLi responds (exampl[...]

118 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: F = ASCII character F . 130 = function number . <SP> = ASCII space character one o r more. B = ASCII letter to denote Option Bay number follows <N> = Option Bay Number , 1 through 4. S = ASCII letter deno[...]

XLi IEEE 1588 Clock 119 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F131 - Pr ecision T ime Pr otocol Network Config Note: The IEEE 1588 card becomes available in the user interface af ter the XLi IEEE 1588 Clock has been operating for approximate ly 3 to 5 minutes. Use F131 to view the[...]

120 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The IEEE 1588 card (P TP master) located in Op tion Bay 4 has the following network settings: • IP address: 010.048.000.103 • Subnet mask: 255.255.000.000 • Gateway: 010.024.000.001 For units that have two IEEE 1588 c[...]

XLi IEEE 1588 Clock 121 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S P TP burst mode enabled/disabled With Burst mode enabled, the P TP slave initiates a rapid exchange or P TP messages with the P TP master in order to synchronize rapid ly . T o work, Burst mode must be enabled on both P[...]

122 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 P TP Master or Slave (PRI/SEC/STBY) Configures the P TP node as a P TP master or slave and determines it s role as a reference source: • PTP MASTER - the IEEE 1588 card get s it s time from the XLi IEEE 1588 Clock and fun[...]

XLi IEEE 1588 Clock 123 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • Use the ENTER key to continue to the next screen. • When prompted with “SA VE CHANGES? YES”, press the ENTER key . T o use F131, press the following keys on the front p anel keyp ad: ENTER 131 ENTER The keypad[...]

124 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Request the Internet Configuration (IP Address, Subnet Mask, Default Gateway) settings: F131<SP>B<N><SP>IC<C R> Set the IP Address: F131<SP>B<N><SP>IP<S P>nnn.nnn.nnn.nnn<C[...]

XLi IEEE 1588 Clock 125 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Request the P TP Slave Synchronization Threshold: F131<SP>B<N><SP>SST< CR> Enter the PT P Slave Synchronization Threshold in microseconds: F131<SP>B<N><SP>SST< SP>MS<CR[...]

126 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Response (example): F131 B4 IP:206.54.47 .21 SM:255.255 .255.0 G:206.54.47. 1 (STATIC)<CR><LF> Set the IP Address T o get the IP address, enter: F131 B<N> IP For example, enter: F131 B4 IP Response (exampl[...]

XLi IEEE 1588 Clock 127 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F131 B<N><SP>SM<SP>n nn.nnn.nnn.nnn where: For example, enter: F131 B4 SM 255.255.2 55.0 Response (one of the following lines): OK - The Subnet Mask has been rece ived and applied by the PTP Option Ca [...]

128 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Response (one of the following lines): OK - The Default Gat eway has been received and applie d by the PTP Optio n Card<CR><LF> Setting the Internet Configuration The three commands, F131 IP , F131 SM, and F131 [...]

XLi IEEE 1588 Clock 129 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, enter: F131 B4 DHCP ENABLE (or DISABLE) Response (one of the following lines): OK - DHCP enable set ting has been received and applie d by the PTP Optio n Card<CR><LF> ERROR - DHCP dynami[...]

130 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 where: For example, enter: F131 B4 PROTOCOL 16 ENABLE DISABLE Response (one of the following lines): OK - Protocol Settin gs have been r eceived and applied by the PTP Option Card<CR><LF> Request the P TP Subdom[...]

XLi IEEE 1588 Clock 131 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S where: For example, enter: F131 B4 SDN _ALT1 Response (example): >f131 b4 sdn _ALT1 OK - The Subdomain N ame been recei ved and applied by the PTP Option Car d Reset the P T P Parameters to the Factory Default settin[...]

132 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Response (one of the following lines): OK - The PTP Option Card has been initialized to user entered values Configuring the P TP Refer ence Clock Settings T o review the PTP reference clock configuration se ttin gs with res[...]

XLi IEEE 1588 Clock 133 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Request the P TP Slave Sy nchr onization Thr eshold Use the following command to review the P TP-allowed slave syn chronization threshold in microseconds. The PTP slave uses the synchronization th reshold to de termine [...]

134 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Request the P TP Pr eferr ed Ma ster Clock Configuration Use this command to review the P TP Preferred Mast er Clock configuration settings. T o obt ain the P TP Preferred Master Clock configuration setting, use the followi[...]

XLi IEEE 1588 Clock 135 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S For example, enter: F131 B4 S Response: F131 B4:<CR><LF> PROTOCOL: SI BURST PORT<CR><LF> 16 DISABLE ENABL E <CR><LF> SDN: _DFLT<CR><LF> CLK CONFIG: SLAVE P RI<CR><[...]

136 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 137 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 9: XLi-Generated Messages Err or Messages ERROR 01 VALUE OUT OF RANGE Y ou entered a command using the correct format that cont ained a value, probably numeric, that was outside the range of accept able values. Recovery[...]

138 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Recovery Action: V erify correct parameter values. If correct, restart the XLi. If th is error message persists, cont act Symmetricom T echnical Customer Service. ERROR: Action (get or set) is not specified Y ou have omitte[...]

XLi IEEE 1588 Clock 139 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Informational Messages Messages in this section inform you of an eve nt and don’t require any action on your p art. Deleted previously set IP host address Y our last action deleted the previously set IP host address. [...]

140 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 This pag e was intentionally left blank.[...]

XLi IEEE 1588 Clock 141 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S A: Using F100 Configuration Configuring SNMP Parameters Note: The NTP option is currently unava ilable for the standard XLi IEEE 1588 clock. F100 CONFIG instructs th e XLi unit to transfe r SNMP configuration file to an[...]

142 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 For other operating systems and configurat ions, cons ult the appropriate documentation for obt aining the FTP server ’s IP address. Copy the Configuration Files to the FTP Server T elnet to the XLi or open a terminal ses[...]

XLi IEEE 1588 Clock 143 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S • The configuration files are automatically transfe rred to /from the FTP server in binary format. They retain the DOS or UNIX file conventions of the editor . XLi works with either format. Move the Configuration File[...]

144 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 145 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S B: Upgrading System Firmwar e Caution: Consideration must be given to the firmw are and the har dwar e versi on numbers of the XLi and it’ s optional com- ponents. Consult with Symmetricom’ s Cust omer Service depar[...]

146 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 T elnet to the XLi over the network. For example, at you r workstations co mmand line, type “telnet 192.168.46.10”. When prompted, log in to the un it using the operator ’ s username and p assword; the user name and p[...]

XLi IEEE 1588 Clock 147 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The XLi responds: OK BURNING FILE 192-800 0.bt WITH SIZE 452164 TO PARTITIO N:0 SECTOR:0 SEC: 0 RE: 0 SEC: 1 RE: 0 SEC: 2 RE: 0 SEC: 3 RE: 0 SEC: 4 RE: 0 SEC: 5 RE: 0 SEC: 6 RE: 0 FLASH SUCCESSFULLY P ROGRAMMED CRC3 2 =[...]

148 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F100 bh 192.168.49.1 20 /192-8002.f s The XLi responds: BURN HOST IS READY<C R><LF> Then enter: F100 bf The XLi responds: OK BURNING FILE 192-800 2.fs WITH SIZE 524288 SEC: 94 SEC: 95 SEC: 96 SEC: 97 SEC: 98 SEC[...]

XLi IEEE 1588 Clock 149 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Message: >Can't open file: 192-####.## Cause: There's a problem with the FTP server that is preventing access to the file. V erify the following: • The FTP server is correctly configured. • The anonymou[...]

150 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 How does one check the IP address, subnet mask, and default gateway of the XLi? Log on to the XLi and enter the following command: > F100 IC F100 IP:192.168.47.1 56 SM:255.255. 255.0 G:192.168.47. 1 Is the null modem cab[...]

XLi IEEE 1588 Clock 151 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S C: SNMP SymmetricomTtm-SMIv2.mib SymmetricomTtm DEFI NITIONS ::= BE GIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, enterprises, Counte r32 FROM SNMPv2- SMI DisplayStrin g FROM SNMPv2-TC; symmetricomTtm MODUL E-IDENTITY LAST-[...]

152 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 trapMsgSnmpAuthFail OBJEC T-TYPE SYNTAX DisplaySt ring (SIZE (0. .255)) MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "This is an ASCI I string sent to UDP port 162 (or user defined) whe n the TrueTime tim e ser[...]

XLi IEEE 1588 Clock 153 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S ntpInPkts OBJECT-TYP E SYNTAX Counter32 MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "Total number of NTP packets d elivered to the NTP application layer from the t ransport layer ." ::= { ntp 1 } ntpO[...]

154 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 DESCRIPTION "The deprecated estimated (tim e) error in microse conds of the time server. This va riable is rela ted to ntpEstError. Usually, this va lue is small and con stant for a gi ven type of time se rver. However[...]

XLi IEEE 1588 Clock 155 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S will have its po ll field set t o ntpSysPoll. Note : this field is eq ual to 0 when not in NTP broadcast mode. Note, unles s this is a time server initiated NTP packet th e value of the poll equals the value set in the [...]

156 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Stratum Code Meaning ------- ---- ------- 0 DCN DCN routin g protocol 0 NIST NIST publi c modem 0 TSP TSP time p rotocol 0 DTS Digital Ti me Service 1 ATOM Atomic clo ck (calibrated) 1 VLF VLF radio (OMEGA, etc.) 1 calls ig[...]

XLi IEEE 1588 Clock 157 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S gpsNumTrackSats OBJECT-TY PE SYNTAX INTEGER ( 0..8) MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "The number of GPS satellites tracked ." ::= { gps 2 } gpsNumCurrentSats OB JECT-TYPE SYNTAX INTEGER ( 0[...]

158 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 sea level." ::= { gps 6 } gpsLongitude OBJECT- TYPE SYNTAX INTEGER ( -2147483647..2 147483647) MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "Longitude locat ion of GPS ant enna where: +214748 3647 is maxim[...]

XLi IEEE 1588 Clock 159 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S ::= { acts 2 } actsFailRedial OBJEC T-TYPE SYNTAX INTEGER ( 0..9999) MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "When the dial-u p session fail s to connect this i s the time in seconds to wait to try aga[...]

160 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 and something wa s not right. This variable is th e sum total of all other ACTS failu re types." ::= { acts 8 } actsFailedInit OBJEC T-TYPE SYNTAX Counter32 MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "Ti[...]

XLi IEEE 1588 Clock 161 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S ::= { acts 14 } actsNoOnTimeMark OBJ ECT-TYPE SYNTAX Counter32 MAX-ACCESS read- only STATUS deprecate d DESCRIPTION "The reply from remote modem h ad no on time mark, possibly due to line noise." ::= { acts 15[...]

162 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 DESCRIPTION "Total number of NTP packets rejec ted for any reason by NTP application layer." ::= { ntp 3 } ntpAuthFail OBJECT-T YPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "Total numb[...]

XLi IEEE 1588 Clock 163 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S "This is a status co de indicating: 1- normal operatio n, 2- a leap second to be inserted in t he last minute of t he current day, 3- a leap second to be deleted in th e last second of th e day, or 4- an al arm con[...]

164 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 SYNTAX INTEGER (-127..127) MAX-ACCESS read-only STATUS current DESCRIPTION "This integer indica tes the ultima te precision of the synchronizing clock, in seconds, t o the nearest power of two. Note: A primary time ser[...]

XLi IEEE 1588 Clock 165 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 ATOM Atomic cloc k (calibrated) 1 VLF VLF radio (OMEGA, etc .) 1 callsign Generic radi o 1 LORC LORAN-C radionavigati on 1 GOES GOES UH F environment satellite 1 GPS GPS UHF satellite pos itioning 1 ACTS ACTS te lepho[...]

166 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 DESCRIPTION "Symmetric om XLi Enterprise M IB" ::= { xliSys tem 0 } systemFault OBJECT IDENTIFIER ::= { x liSystem 1 } systemStatus OBJECT IDENTIFIER ::= { x liSystem 2 } systemAlarm OBJECT IDENTIFIER ::= { s yste[...]

XLi IEEE 1588 Clock 167 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S MAX-ACCESS accessible-for -notify STATUS current DESCRIPTION "The time, in UTC, a t which the tr ap was generated." ::= { systemAlarmDat a 2 } alarmDataCode OBJECT- TYPE SYNTAX SystemAlarmType MAX-ACCESS acces[...]

168 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 ::= { systemFaultCon figData 2 } configDataTimeout OB JECT-TYPE SYNTAX Unsigned32 (0..86400) MAX-ACCESS read-write STATUS current DESCRIPTION "The timeout delay, in seconds, af ter which a time er ror fault becomes a t[...]

XLi IEEE 1588 Clock 169 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S maskIrig OBJECT-TYPE SYNTAX FaultMaskType MAX-ACCESS read-write STATUS current DESCRIPTION "If enabled, an alarm can be triggered when t he IRIG lock status chang es." ::= { systemFaultCon figMasks 5 } maskAux[...]

170 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 maskFirstTimeLock OB JECT-TYPE SYNTAX FaultMaskType MAX-ACCESS read-write STATUS current DESCRIPTION "If enabled, an alarm can be triggered when t he locking status of the clock since power on chang es." ::= { sys[...]

XLi IEEE 1588 Clock 171 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S faultPrimaryRefClk OB JECT-TYPE SYNTAX Boolean MAX-ACCESS read-only STATUS current DESCRIPTION "TRUE, if a primary refere nce clock fault occ urred since the fa ult latch was cl eared." ::= { systemFaultHis to[...]

172 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 faultRbOsc OBJECT-TYPE SYNTAX Boolean MAX-ACCESS read-only STATUS current DESCRIPTION "TRUE, if a rubidium oscil lator fault occurre d since the fault latch was cl eared." ::= { systemFaultHis tory 9 } faultDac OB[...]

XLi IEEE 1588 Clock 173 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S SYNTAX INTEGER { locked ( 1), unlocked (2) } MAX-ACCESS read-only STATUS current DESCRIPTION "Gives the c urrent status of the clock, locke d or unlocked." ::= { systemStatusGe neral 1 } statusClockSource OBJE[...]

174 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 STATUS current DESCRIPTION "Gives the current s tatus of the L PN PLL." ::= { systemStatusDe tail 2 } statusPrimaryRefClk O BJECT-TYPE SYNTAX INTEGER { ok (1), fault (2) } MAX-ACCESS read-only STATUS current DESCR[...]

XLi IEEE 1588 Clock 175 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S MAX-ACCESS read-only STATUS current DESCRIPTION "Gives the current st atus of the p rimary power." ::= { systemStatusDe tail 7 } statusSecondaryPower OBJECT-TYPE SYNTAX INTEGER { ok (1 ), fault (2 ) } MAX-ACCE[...]

176 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 statusTimeError OBJECT-TY PE SYNTAX INTEGER { ok (1 ), fault (2 ) } MAX-ACCESS re ad-only STATUS current DESCRIPTION "Gives the c urrent status of the time error i ndicator." ::= { systemStatusDe tail 12 } statusT[...]

XLi IEEE 1588 Clock 177 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S [etc...] NAME=,VIND=0,TRAP=NO ,ACCESS=R,IP=0 00.000.000.000,IP=0 00.000.000. 000,IP=000.000.000.0 00,IP=000.000.000.0 00,ENDC, END Key: SNMP Private Enterprise MIB S tructure This section describes the top le vel struct[...]

178 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 For the XLi, groups 1, 2, 3 , 4 and 5 have been deprecated and a new group 6, products , has been added. For the XLi and future Symmetricom product s, group s 1 through 5 will be absent fr om the XLi Enterprise MIB definiti[...]

XLi IEEE 1588 Clock 179 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S This MIB structure also provides a useful definition for the system object ID. SNMP managers may use the system object ID to identify the class of object being accessed. With this structure, the system object ID is defi[...]

180 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 The XLi Fault Group xliS ystem = 1 sys tem Statu s = 2 systemFaul t = 1 sys tem Alarm Da ta = 1 sys temF au ltHis to ry = 3 systemFaul tConfi g = 2 systemFault Config = 1 syst emFault ConfigMasks = 2 maskPllSynt hesizer = 1[...]

XLi IEEE 1588 Clock 181 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S The XLI systemAlarmDat a group defines SNMP trap s and cannot be directly retrieved by the SNMP manager . When a system alarm event occurs an SNMP trap alarmSystemNotification is sent to the SNMP managers previously con[...]

182 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 the reference clock source. The systemS tatusGeneralGroup also cont ains the statusDescriptorS tr ob ject that returns a text string identical to the output of the F73 command on the command line interfa ce. The systemS t a[...]

XLi IEEE 1588 Clock 183 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S to maintain ba ckward compatibility . There are two varieties of expansions to consid er: additional products and additional features within an existing product. This model makes adding additional p roducts and maint a [...]

184 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 NTP – Network Time Protocol : A network time distribution protocol developed at the University of Delaware under the direction of Dr . Mills. NTP is a c lient / server based protocol where the server is the supplier of ti[...]

XLi IEEE 1588 Clock 185 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 6. Click the <Next> button 3 times and the <Finish> button 1 time to complete the Map definition and open the Map. Load the T rueTime Enterprise MI Bs 1. Select the menu item Options->L oad/Unload MIBs: S[...]

186 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Then click the “Close” button. 10. In the “New Application Builde r – Display Fields ” popup click the “Next” button. In the “Men u Path” field enter “XLI->S tatus”. Click the “Finish” butto n. [...]

XLi IEEE 1588 Clock 187 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 4. In the “Browse MIB” popup select the “maskPllSynthe sizer” entry . In the “MIB Inst ance” field type 0. In the “SNMP set value” field type 1. Click the “Set” button. 5. V erify that a popup appear[...]

188 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 This pag e was intentionally left blank.[...]

XLi IEEE 1588 Clock 189 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S E: T ime Code Formats The following section provides a su mmary description of the th ree time code types used by the XL i. The definitive IRIG time code specification, th e Range Commanders Council’ s IRIG Serial T i[...]

190 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 beginning of each frame and a position identifier marks the end of every ten element s. IRIG-B and IRIG- A have ten position identifiers p er frame. The element s prior to position identifier P5 compri se the time of year s[...]

XLi IEEE 1588 Clock 191 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Coordinated T i me (UTC) in 24 hour format and not local time. Nonetheless, this instrument ca n encode UTC or local time in either 24 or 12 hour format s. NASA 36 Code Format The level shifted , pulse width modulated, [...]

192 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Figure 8: IRIG S tandard Fo rmat A[...]

XLi IEEE 1588 Clock 193 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F: W orld Map of T ime Zones:[...]

194 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 This pag e was intentionally left blank.[...]

XLi IEEE 1588 Clock 195 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S G: Part Numbers S tandard Chassis • Model XLi 1U Chassis w . CPU, GPS, and 1 IEEE 1588 card 1510-602 • Model XLi 1U Chassis w . CPU, GPS, and 2 IEEE 1588 cards 1510-602 Software-Key Enabled Options • T ime Interva[...]

196 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 This pag e was intentionally left blank.[...]

XLi IEEE 1588 Clock 197 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S H: Sales and Customer Assistance Symmetricom's Customer Assistance Centers are a centralized resource to handle your customer needs. Customer Assist ance Center T elephone Numbers • Worldwide (Main Numbe r): 1-40[...]

198 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 199 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Glossary of IEEE 1588-r elated T erms Boundary Clock : Generally a switch with more than a si ngle IEEE 1588 equipped port, which is a slave on one port and a master o n all others. Grandmaster Clock : Within an IEEE 15[...]

200 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1[...]

XLi IEEE 1588 Clock 201 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Index Numerics 1 PPS – Pulse Per Second Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1 PPS Synch Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 10/100 BASE[...]

202 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 CODE – Time Code Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Code Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Code Output Conf[...]

XLi IEEE 1588 Clock 203 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S F100 – Network Port & XLi Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 F100 BASET – 10/100 BASE- T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 F100 BF – Burn File Sy[...]

204 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 F71 – Oscillator Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 F72 – Fault Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 F73 ?[...]

XLi IEEE 1588 Clock 205 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S J J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 J1 – Time Code Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

206 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 Cannot respond to command because Ut ility Po rt session has priority. 139 NTP Configure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Configure Parameters . . . . . . . . [...]

XLi IEEE 1588 Clock 207 997-01510-03, Rev. C, 12/12/2006 2 5 1 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S Configure Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92, 141 Configuring and Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Glossary of Related Terms . . [...]

208 XLi IEEE 1588 Clock 997-01510-03, Rev. C, 12/12/2006 SS S SSS S SSS S S SS S SSS S S SS S S SSS S S S S S S S S S SS S S 1 System Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 User Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 User Name . . . [...]