Paradyne 317x E1 manual

ACCULINK 317x E1 DA T A SER VICE UNIT/ CHANNEL SER VICE UNIT OPERA T OR’S GUIDE Document No. 3170-A2-GB20-20 December 1996[...]

ACCULINK 317x E1 DSU/CSU A December 1996 3170-A2-GB20-20 ACCULINK 317x E1 Data Service Unit/Channel Service Unit Operator ’s Guide 3170-A2-GB20-20 3rd Edition (December 1996) Changes and enhancements to the product and to the information herein will be documented and issued as a new release. W arranty , Sales, and Service Information Contact your[...]

Important Instructions B 3170-A2-GB20-20 December 1996 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. When an ac power source is used, this product is intended to be used with a three-wire grounding type plug – a plug which has a grounding pin. This is a sa[...]

ACCULINK 317x E1 DSU/CSU C December 1996 3170-A2-GB20-20 In addition, if the equipment is to be used with telecommunications circuits, take the following precautions: – Never install telephone wiring during a lightning storm. – Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. – Never t[...]

Important Instructions D 3170-A2-GB20-20 December 1996 CE Marking Models 3172-A1-410 and 3174-A1-410 Only Models 3172-A1-410 and 3174-A1-410 of this product are marked with the CE mark. This mark has been af fixed to demonstrate full compliance with the following European Directives: • Directive 73/23/EEC – Council Directive of 19 February 1973[...]

i 3170-A2-GB20-20 December 1996 T able of Contents Preface Objectives and Reader Assumptions iii . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reference Documents iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. Introd[...]

ACCULINK 317x E1 DSU/CSU ii December 1996 3170-A2-GB20-20 4. Maintenance Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self-T est Health 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Device Health and Status 4-3 . . . . . . . . . . . . . . . . . . . .[...]

iii 3170-A2-GB20-20 December 1996 Preface Objectives and Reader Assumptions This operator ’ s guide contains installation, operation, and maintenance information for the ACCULINK 317x E1 Data Service Unit (DSU)/Channel Service Unit (CSU). It is assumed that you are familiar with the operation of digital data communication equipment and DSUs and C[...]

1-1 3170-A2-GB20-20 December 1996 Introduction Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU 1-2 December 1996 3170-A2-GB20-20 DTE Drop/Insert Interface The DTE Drop/Insert interface is compatible with the signal format of CCITT Recommendation G.703 and the frame structure of CCITT Recommendation G.704. This interface allows DTEs/PBXs to share the E1 network with other high-speed equipment. Alarm Message Capability[...]

1-3 3170-A2-GB20-20 December 1996 Physical Description The E1 DSU/CSU series of products consists of a Model 3172 DSU/CSU (2-port) and a Model 3174 DSU/CSU (4-port). Front Panel The E1 DSU/CSU front panel (Figure 1-1) contains, • One 2-line, 16-alphanumeric-character -per-line liquid crystal display (LCD) • One 7-button keypad (three Function a[...]

ACCULINK 317x E1 DSU/CSU 1-4 December 1996 3170-A2-GB20-20 495-14295-0 2 POWER AUX PORT COM PORT DTE PORT 1 PORT 2 CLOCK IN 120 Ω 75 Ω 75 Ω 120 Ω RX SHIELD OPEN EARTH RX 75 Ω TX NETWORK CAUTION: AUX PORT OR COM POR T MUST NOT BE CONNECTED TO PSTN OR E1 NETWORK Figure 1-2. Model 3172 Rear Panel 495-14294-0 2 POWER AUX PORT COM PORT DTE POR[...]

Introduction 1-5 3170-A2-GB20-20 December 1996 T able 1-1 Rear Panel Connectors and Switches Name Function POWER Supplies power to the E1 DSU/CSU by providing an attachment for the ac power module or the optional dc power cable (+24 or – 48 Vdc). AUX PORT Supports SNMP LAN Adapter or daisy-chain connections. COM PORT Provides access to a locally [...]

2-1 3170-A2-GB20-20 December 1996 Installation Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Application Examples 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU 2-2 December 1996 3170-A2-GB20-20 NETWORK SERVICES PBX LAN ROUTER 496-14312-0 3 DSU/CSU Figure 2-2. Shared Access Application Example FRACTIONAL NETWORK LAN ROUTER LAN ROUTER LAN ROUTER 496-14313-0 3 DSU/CSU DSU/CSU DSU/CSU LAN ROUTER Figure 2-3. Fractional E1 Application Example 496-14700-0 1 DACS MOBILE SWITCH MOBILE SWIT[...]

Installation 2-3 3170-A2-GB20-20 December 1996 SNMP Connection Examples The E1 DSU/CSU can be connected to an SNMP management system in a number of ways. Some examples include: • Directly connecting the COM port to the SNMP manager (Figure 2-5). • Connecting the COM port to a network device (e.g., a router) for SNMP management (Figure 2-6). •[...]

ACCULINK 317x E1 DSU/CSU 2-4 December 1996 3170-A2-GB20-20 NETWORK LAN ROUTER ETHERNET SNMP PPP 496-14548a LAN ADAPTER DSU/CSU SNMP NMS Figure 2-7. Connection through a LAN Adapter to SNMP LAN ROUTER ETHERNET SNMP PPP 496-14549a LAN ADAPTER SNMP PPP SNMP PPP NETWORK DSU/CSU DSU/CSU DSU/CSU SNMP NMS Figure 2-8. LAN Adapter and Daisy Chaining for SNM[...]

Installation 2-5 3170-A2-GB20-20 December 1996 Important Instructions Read and follow all warning notices and instructions marked on the E1 DSU/CSU or included in this guide. CAUTION Disconnect the power cable before connecting or removing any data cables at the rear of the unit. HANDLING PRECAUTIONS FOR ST A TIC-SENSITIVE DEVICES This pr oduct is [...]

ACCULINK 317x E1 DSU/CSU 2-6 December 1996 3170-A2-GB20-20 Installing the Single – ā 48 Vdc Power Supply To install the E1 DSU/CSU using a single source – 48 Vdc power supply , refer to Figure 2-1 1 and use the following procedure. T o install the – 48 Vdc single source power supply , 1. Connect the black and red wires to the – 48 Vdc retu[...]

Installation 2-7 3170-A2-GB20-20 December 1996 Installing the Redundant – ā 48 Vdc Power Supply T o install the E1 DSU/CSU using a redundant – 48 Vdc power supply , refer to Figure 2-12 and use the following procedure. T o install the redundant – 48 Vdc power supply , 1. Connect the black wire to the – 48 Vdc return source B. 2. Connect th[...]

ACCULINK 317x E1 DSU/CSU 2-8 December 1996 3170-A2-GB20-20 Cabling Examples The E1 DSU/CSU is supplied with an ac power module. Y ou must provide the DTE and network cables. Optional cables that you can order from the company are described in Appendix D, Pin Assignments . Figure 2-13 illustrates some cabling examples. CAUTION Disconnect the power c[...]

Installation 2-9 3170-A2-GB20-20 December 1996 Power-Up Self-T est After you connect the E1 DSU/CSU to a power source, the unit performs the power -up self-test to ensure that it is in good working order . The E1 DSU/CSU performs this test on itself upon power -up or after a device reset unless it has been disabled by the Self-T est configuration o[...]

3-1 3170-A2-GB20-20 December 1996 Operation Overview 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the Front Panel 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU 3-2 December 1996 3170-A2-GB20-20 Overview This chapter contains information for operating your E1 DSU/CSU. It includes a description of the front panel and sample procedures for configuring the E1 DSU/CSU. Using the Front Panel The E1 DSU/CSU front panel (Figure 3-1) consists of an LCD, a keypad, test jacks, and 12 LEDs. N[...]

Operation 3-3 3170-A2-GB20-20 December 1996 LCD The LCD (Figure 3-2) displays two types of data: • Messages such as alarms, command/test completion, and action in progress • Front panel menu tree information (see Appendix A, Fr ont Panel Menu ) F1 F2 F3 Figure 3-2. LCD The LCD displays status messages as requested via the Device Health and Stat[...]

ACCULINK 317x E1 DSU/CSU 3-4 December 1996 3170-A2-GB20-20 The scroll keys ( and ) serve one of two functions, depending on whether a menu screen or a data entry screen appears on the front panel. For data entry screens, the key scrolls one character to the left while the key scrolls one character to the right. For menu screens, the key scrolls to [...]

Operation 3-5 3170-A2-GB20-20 December 1996 T able 3-1 System LEDs Name Color Meaning OK Green Indicates the current operational state of the E1 DSU/CSU. ON : The E1 DSU/CSU is operational and has power . OFF : The E1 DSU/CSU is performing a power-up self-test or a system failure has occurred. BLINKING : A software download is in progress. F AIL Y [...]

ACCULINK 317x E1 DSU/CSU 3-6 December 1996 3170-A2-GB20-20 T able 3-3 DTE Drop/Insert Port LEDs Name Color Meaning SIG Green Monitors the signal being received from the DTE Drop/Insert port. ON : A recoverable signal is being received from the DTE Drop/Insert port. OFF : The signal cannot be recovered from the DTE Drop/Insert port (a Loss of Signal[...]

Operation 3-7 3170-A2-GB20-20 December 1996 T able 3-4 Data Port LEDs Name Color Meaning DTR Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) – Data T erminal Ready received from the synchronous data DTE. ON : DTR is being asserted by the synchronous data DTE. OFF : DTR is not being asserted. TXD Y ellow Monitors activity on i[...]

ACCULINK 317x E1 DSU/CSU 3-8 December 1996 3170-A2-GB20-20 Displaying Unit Identity The identity of the E1 DSU/CSU (serial number , model number , software revision level, hardware revision level, and customer identification) is available through the Status branch of the front panel menu (see Appendix A, Fr ont Panel Menu ). The customer identifica[...]

Operation 3-9 3170-A2-GB20-20 December 1996 T o change the customer identification (CID), 1. Press the key on the top-level menu to bring the Ctrl branch onto the front panel LCD. F1 D S U E 1 CEPT Stat T est Cnfig F2 F3 2. Press F3 to select Ctrl from the top-level menu screen. F1 D S U E 1 CEPT T est Cnfig Ctrl F2 F3 3. Press the key on the Contr[...]

ACCULINK 317x E1 DSU/CSU 3-10 December 1996 3170-A2-GB20-20 Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the LED command. This command is most useful when the E1 DSU/CSU is being accessed remotely (see Appendix G, Fr ont Panel Emulation ). When using Front Panel Emulation, no LEDs are show[...]

Operation 3-1 1 3170-A2-GB20-20 December 1996 Selecting the DTE Drop/Insert or Data Port for LED Display Use the LED command on the Control branch to select which port’ s (DTE Drop/Insert or data port) status appears on the five shared LEDs on the front panel. T o select a port for LED display , 1. From the top-level menu screen, press once to sc[...]

ACCULINK 317x E1 DSU/CSU 3-12 December 1996 3170-A2-GB20-20 The configuration options are divided into functional groups. Appendix C contains a list of the configuration options and defaults. These groups are: • DTE (Drop/Insert) Interface (T able C-1) • Port (T able C-2) • Network Interface (T able C-3) • Channel (T ables C-4 and C-5) • [...]

Operation 3-13 3170-A2-GB20-20 December 1996 Saving Edit Changes Save edit changes to the Active area when you want those changes to take ef fect immediately . Save edit changes to the Customer area when you want to overwrite the existing Customer configuration options and store these changes for future use. NOTE If you attempt to exit the Edit fun[...]

ACCULINK 317x E1 DSU/CSU 3-14 December 1996 3170-A2-GB20-20 7. Select the port fr om which you want to copy the configuration options using the corresponding Function key . F1 Copy From: Prt1 Prt2 Prt3 F2 F3 8. Select the port to which you want to copy the configuration options using the corresponding Function key . Or , press F1 (All) to choose to[...]

Operation 3-15 3170-A2-GB20-20 December 1996 7. Press F2 to configure the COM port as the management link to an external SNMP manager . F1 Com Use: Next SNMP ASCII F2 F3 Setting the IP Address The IP address is the address used by the SNMP manager to access the device. For devices using PPP , the IP address can be negotiated if the network device ([...]

ACCULINK 317x E1 DSU/CSU 3-16 December 1996 3170-A2-GB20-20 10. When you are through changing the IP address, you must press F3 (Save) to save the value. Otherwise, the original value will be retained. F1 010.155.1 1 1.222 Up Down Save F2 F3 Selecting the Link Layer Protocol T wo link layer protocols, Point-to-Point Protocol (PPP) and Serial Line I[...]

Operation 3-17 3170-A2-GB20-20 December 1996 Specifying the Community Name(s) and Access T ype(s) Y ou have the capability of specifying up to two community names (community name 1 and community name 2) to be used by external SNMP managers when trying to access objects in the E1 DSU/CSU’ s MIB. Once you specify the community name(s), you must the[...]

ACCULINK 317x E1 DSU/CSU 3-18 December 1996 3170-A2-GB20-20 1 1. Press F1 (Next) until the Access 1 configuration option appears. F1 CommunityName1: Next Edit Clear F2 F3 12. Press F2 (Read) or F3 (R/W). F1 Access 1: Next Read R/W F2 F3 The Read selection allows read-only access (SNMP “Get”) to the accessible objects in the MIB when community n[...]

Operation 3-19 3170-A2-GB20-20 December 1996 Selecting the Number of T rap Managers If you intend to issue traps to an SNMP manager(s) from this device, you must specify the number of SNMP managers that are to receive the traps. T o specify the number of SNMP managers to receive traps from this device, 1. Press F3 to select Cnfig from the top-level[...]

ACCULINK 317x E1 DSU/CSU 3-20 December 1996 3170-A2-GB20-20 Configuring DS0 Channels The E1 DSU/CSU provides channel configuration options that allow you to do the following: • Display the DS0 assignments for the Network, DTE Drop/Insert, and data port interfaces. • Allocate DS0 channels on the DTE Drop/Insert interface to the Network interface[...]

Operation 3-21 3170-A2-GB20-20 December 1996 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N1 1 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D1 1 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 PRT 1 PRT 2 PRT 3 PRT 4 PORTS DROP/INSERT INTERFACE NETWORK INTERF ACE 49[...]

ACCULINK 317x E1 DSU/CSU 3-22 December 1996 3170-A2-GB20-20 Network E1 Interface Network Channel Allocation N1 D1 N2 D2 N3 D3 N4 D4 N5 D5 N6 N7 N8 N9 N10 D10 N1 1 D1 1 N12 D12 N13 D13 N14 N15 N16 D16 N17 N18 N19 N20 N21 N22 Prt1 N23 Prt1 N24 Prt3 N25 Prt2 N26 Prt2 N27 Prt2 N28 Prt2 N29 Prt2 N30 Prt2 N31 Prt3 Allocations D1 – D31 indicates allocat[...]

Operation 3-23 3170-A2-GB20-20 December 1996 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N1 1 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D1 1 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 PRT 1 PRT 2 PRT 3 PRT 4 PORTS DROP/INSERT INTERFACE NETWORK INTERF ACE 49[...]

ACCULINK 317x E1 DSU/CSU 3-24 December 1996 3170-A2-GB20-20 Network E1 Interface Network Channel Allocation N1 D1 N2 D2 N3 D3 N4 D4 N5 N6 D5 N7 N8 N9 N10 D10 N1 1 D1 1 N12 D12 N13 D13 N14 D16 N15 N16 Prt1 N17 N18 N19 N20 N21 N22 Prt1 N23 Prt1 N24 Prt3 N25 Prt2 N26 Prt2 N27 Prt2 N28 Prt2 N29 Prt2 N30 Prt2 N31 Prt3 Allocations D1 – D31 indicates al[...]

Operation 3-25 3170-A2-GB20-20 December 1996 Port Chan Conf Options V alue Assign T o NET , DTE, Prt2, Prt3, Prt4 Assign By Block, Chan Port 1 If Assign By Block Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1 152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728, 1792, 1856, 1920, 1984 Nx[...]

ACCULINK 317x E1 DSU/CSU 3-26 December 1996 3170-A2-GB20-20 Port Chan Conf Options V alue Assign T o NET , DTE, Prt1, Prt2, Prt4 Assign By Block, Chan Port 3 If Assign By Block Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1 152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728, 1792, 1856[...]

Operation 3-27 3170-A2-GB20-20 December 1996 Displaying DS0 Channel Assignments Use the Display command (in the Channel Configuration branch) to view how the DS0 channels are currently allocated. Line 1 of the display shows the 31 channels of the selected interface. Pressing or scrolls the next three channels onto the LCD. Line 2 displays what is a[...]

ACCULINK 317x E1 DSU/CSU 3-28 December 1996 3170-A2-GB20-20 8. If you selected NET the channels allocated to the Network E1 interface are displayed. Line 1 displays the 31 channels for the Network E1 interface, while Line 2 displays what is allocated to the DS0 channel shown in Line 1. Pressing the or key scrolls the channels onto the screen in gro[...]

Operation 3-29 3170-A2-GB20-20 December 1996 7. Select the desired port by pressing its corresponding Function key . F1 Channel Config: Prt1 Prt2 Prt3 F2 F3 8. The configuration option for the data port channel allocation destination appears on the screen. Select NET to assign this port to the Network E1 interface, select DTE to assign this port to[...]

ACCULINK 317x E1 DSU/CSU 3-30 December 1996 3170-A2-GB20-20 Individual Channel Assignment Method The Assign By configuration option screen appears after you select a port. T o assign by the individual channel method, 1. Press F3 (Chan). F1 Assign B y: Next Block Chan F2 F3 2. Press F1 (Next) to display the next configuration option (channel allocat[...]

Operation 3-31 3170-A2-GB20-20 December 1996 7. From the DTE Channels screen, press F1 to select TS16. F1 DTE Channels: TS16 Assign F2 F3 8. Rsvd (Reserved) is the default for TS16. This indicates that time-slot 16 is reserved for signaling information. Pressing F1 (Data) makes time-slot 16 available for data. F1 TS16:Rsvd Data Rsvd F2 F3 NOTE If T[...]

ACCULINK 317x E1 DSU/CSU 3-32 December 1996 3170-A2-GB20-20 Clearing DS0 Channel Allocation Y ou can clear (deallocate) all the DS0 channels currently allocated to either the Network E1 interface, the DTE Drop/Insert interface, or the synchronous data ports. T o clear DS0 channel allocation, 1. Press F3 to select Cnfig from the top-level menu scree[...]

Operation 3-33 3170-A2-GB20-20 December 1996 Selecting the T iming Source The E1 DSU/CSU provides the ability to select a primary clock (timing) source that is used to synchronize all of the E1 and data port interfaces on the E1 DSU/CSU. The clock for each interface is at the appropriate rate for that interface (e.g., 2.048 Mbps for the E1 interfac[...]

ACCULINK 317x E1 DSU/CSU 3-34 December 1996 3170-A2-GB20-20 Configuring for Network Timing T o configure for network timing, 1. Press F3 to select Cnfig from the top-level menu screen. 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key . Use the scroll keys, if necessary . 3. Press F1 to sel[...]

Operation 3-35 3170-A2-GB20-20 December 1996 F1 Clock Rate:2048 Next 2048 8 F2 F3 Acquiring/Releasing the User Interface Y ou can access the user interface from either the front panel or the COM port. The E1 DSU/CSU allows only one user interface to be active at a time. The front panel is the default user interface at power -up or after a reset. It[...]

ACCULINK 317x E1 DSU/CSU 3-36 December 1996 3170-A2-GB20-20 3. From the Control screen, select Rel (Release). F1 Control: Rel LED ClrReg F2 F3 The active user interface is released. A screen with this message appears. No user interface is active until input is received from a user interface. F1 Ft. P anel: Released F2 F3 Resetting the E1 DSU/CSU Us[...]

Operation 3-37 3170-A2-GB20-20 December 1996 E1 DSU/CSU User Interface Access Security NOTE This page of the manual is self- supporting and can be removed to prevent unwanted knowledge of the security access levels and their selection. The user interface access security option allows you to limit access to the E1 DSU/CSU to display-only and non-int[...]

4-1 3170-A2-GB20-20 December 1996 Maintenance Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self-T est Health 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU 4-2 December 1996 3170-A2-GB20-20 Overview The E1 DSU/CSU can detect and report faults, and perform diagnostic tests. These features ensure that your E1 DSU/CSU is giving you optimum performance in your network. Self-T est Health Use the Self-T est Health command to display the results of the power -up self-test. Possible m[...]

Maintenance 4-3 3170-A2-GB20-20 December 1996 Device Health and Status Use the Device Health and Status branch to view current health and status of the E1 DSU/CSU. When you access this branch, one or more status messages appear in priority order (highest to lowest) on Line 2 of the LCD. On the front panel, use the scroll keys to view any additional[...]

ACCULINK 317x E1 DSU/CSU 4-4 December 1996 3170-A2-GB20-20 T able 4-2 Health and Status Messages Message Description LOS at Net A Loss Of Signal condition (declared after 175 consecutive zeros) has been detected on the network interface. The condition is cleared when the density of ones to zeros received is 12.5%. LOS at DTE A Loss Of Signal condit[...]

Maintenance 4-5 3170-A2-GB20-20 December 1996 Network Performance Reports Network performance is continuously monitored and maintained in network aggregate registers (NET) and, if configured for EDL, in far -end and near-end port registers. Network aggregate registers (NET) are status registers that collect performance data for the previous 24-hour[...]

ACCULINK 317x E1 DSU/CSU 4-6 December 1996 3170-A2-GB20-20 7. When you press F3 from the NET Registers screen, the interval screen appears. Use this screen to choose the specific 15-minute interval. F1 NET Intvl: 01 Up Down Dsply F2 F3 8. Use the and keys to position the cursor under the first or second digit in the interval number displayed, then [...]

Maintenance 4-7 3170-A2-GB20-20 December 1996 T able 4-3 (1 of 2) Performance Registers Register Interval Description T otals Description Event Error events counter . An error event is a frame with either a Cyclic Redundancy Check (CRC) error or an Out Of Frame (OOF) event. The maximum count is 65,535. This register is only reset as a result of a C[...]

ACCULINK 317x E1 DSU/CSU 4-8 December 1996 3170-A2-GB20-20 T able 4-3 (2 of 2) Performance Registers Register T otals Description Interval Description LOFC The loss of frame count for the current interval. This is a count of the number of times that an LOF is declared. An LOF is declared when a continuous out of frame condition persists for more th[...]

Maintenance 4-9 3170-A2-GB20-20 December 1996 Alarms The E1 DSU/CSU can be attached, either locally or remotely , to an ASCII terminal or printer to display or print alarm messages. The Communications (COM) port can be used as the destination for Alarm Set and Alarm Clear messages. This enables an ASCII terminal or printer to monitor the E1 DSU/CSU[...]

ACCULINK 317x E1 DSU/CSU 4-10 December 1996 3170-A2-GB20-20 SNMP T raps A trap is an unsolicited message that is sent from the E1 DSU/CSU to an SNMP manager when the device detects certain, pre-specified conditions. These traps enable the SNMP manager to monitor the state of the network. The SNMP T rap configuration option must be enabled for trap [...]

Maintenance 4-1 1 3170-A2-GB20-20 December 1996 T roubleshooting The E1 DSU/CSU is designed to provide you with many years of trouble-free service. However , T able 4-6 gives you some direction if a problem occurs. For problems other than those listed in the table, please contact your service representative. T able 4-6 (1 of 2) T roubleshooting Sym[...]

ACCULINK 317x E1 DSU/CSU 4-12 December 1996 3170-A2-GB20-20 T able 4-6 (2 of 2) T roubleshooting Symptom Solutions Possible Cause Message AIS at DTE appears DTE is sending an AIS. Check the DTE. Message EER at Net appears E1 facility problem. Contact your E1 facility provider . BPV LED is ON 1. Incompatible line coding format between the DTE and th[...]

Maintenance 4-13 3170-A2-GB20-20 December 1996 T est Jacks Six test jacks are located on the front panel (Figure 4-1). These test jacks allow for two break-in tests (Network In and Network Out) and four monitor access points (Equipment Monitor In, Equipment Monitor Out, Network Monitor In, and Network Monitor Out) to the E1 DSU/CSU. T est jack func[...]

ACCULINK 317x E1 DSU/CSU 4-14 December 1996 3170-A2-GB20-20 T est Commands The test commands enable you to run loopbacks and test patterns on the E1 DSU/CSU, and to test the front panel LEDs. These tests can help you isolate areas of trouble if you are having problems with your E1 DSU/CSU. T o access all T est commands from the T est branch, press [...]

Maintenance 4-15 3170-A2-GB20-20 December 1996 Local Loopback T ests The Local Loopback tests enable you to conduct circuit testing and fault isolation for the digital line. The supported local loopback tests are: • Line Loopback (LLB) • Payload Loopback (PLB) • DTE Loopback (DLB) • Repeater Loopback (RLB) • Data Channel Loopback (DCLB) ?[...]

ACCULINK 317x E1 DSU/CSU 4-16 December 1996 3170-A2-GB20-20 Starting a Line Loopback The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change. T o perform a Line loopback, 1. Press F2 to select T est from the top-level display screen. 2. From the T est screen, press F2 to select Lpbk. F1 [...]

Maintenance 4-17 3170-A2-GB20-20 December 1996 Starting a DTE Loopback The DTE Loopback command (DLB) loops the received signal on the DTE Drop/Insert port back to the DTE without change. A DTE loopback can be activated and deactivated based on the state of an external contact on the DTE Drop/Insert port. If this option is enabled with the DTE Inte[...]

ACCULINK 317x E1 DSU/CSU 4-18 December 1996 3170-A2-GB20-20 3. From the Loopback screen, press twice to display the RLB selection on the screen. F1 Loopback: Abort LLB PLB F2 F3 4. Press F3 to select RLB. F1 Loopback: PLB DLB RLB F2 F3 T est Started appears on Line 2. If a Repeater loopback is already in progress, the Already Active message appears[...]

Maintenance 4-19 3170-A2-GB20-20 December 1996 Starting a Data T erminal Loopback The Data T erminal Loopback command (DTLB) loops the data received from the selected port, for all DS0 channels allocated to the port, back out of the port. This loopback occurs after the data passes through the port circuitry but before it reaches the E1 framer . T o[...]

ACCULINK 317x E1 DSU/CSU 4-20 December 1996 3170-A2-GB20-20 4. From the Loopback Abort screen, press the desired Function key to abort All or one specific loopback test. Use the scroll keys, if necessary . F1 Loopback: A bort All LLB PLB F2 F3 If you select ALL, LLB, PLB, DLB, or RLB, skip Step 5. NOTE DLB does not appear when the DTE Drop/Insert i[...]

Maintenance 4-21 3170-A2-GB20-20 December 1996 4. From the Patterns Send screen, press F1 to send a 51 1 pattern, F2 to send a 1-in-8 pattern, or F3 to send a QRSS pattern. F1 Patterns: S end 51 1 1in8 QRSS F2 F3 If you send a 1-in-8 pattern, skip Step 5. 5. From the Send screen, press the Function key that corresponds to the port for which you wan[...]

ACCULINK 317x E1 DSU/CSU 4-22 December 1996 3170-A2-GB20-20 Monitoring T est Patterns on Individual Data Ports Use the Monitor command to monitor QRSS or 51 1 test patterns on the channels allocated to an individual data port. This command provides the number of errors detected in the test pattern (5 digits, maximum 99999). T o monitor a QRSS or 51[...]

Maintenance 4-23 3170-A2-GB20-20 December 1996 4. From the Patterns Abort screen, press the desired Function key to abort either All active test patterns, active Send test patterns, or the active Monitor (Mon) test pattern. F1 Patterns: A bort All Send Mon F2 F3 If you select All, the E1 DSU/CSU terminates all active test patterns and displays the [...]

ACCULINK 317x E1 DSU/CSU 4-24 December 1996 3170-A2-GB20-20 5. The following screens alternately appear on the LCD until you press a Function key to return to the Lamp T est screen. In addition, all LEDs blink. F1 F2 F3 F1 0123456789 : ; < = > ? @ABCDEFGHIJKLMNO F2 F3 6. When you are satisfied that all LEDs are lighting and the LCD is functio[...]

Maintenance 4-25 3170-A2-GB20-20 December 1996 T able 4-10 T est Status Messages Message Description No T est Active No tests are currently active. LLB T est Active The network interface is in Line loopback. PLB T est Active The network interface is in Payload loopback. DLB T est Active The DTE Drop/Insert port is in DTE loopback. RLB T est Active [...]

A-1 3170-A2-GB20-20 December 1996 Front Panel Menu DSU E1 CEPT Stat T est 495-14606-03 DevHs ST est Perf T Stat LED ID E1 Prt n Rlpbk Lpbk Ptrns Lamp Cnfig Edit Save Load Edit Area From: Choose Function: Cust1 Activ Cust2 Ctrl Rel ClrReg Reset CID LED DL DTE Prt1 Prt2 Prt3 Prt4 PLB DLB RLB LLB Abort DCLB DTLB Abort Send Mon QRSS 1in8 51 1 QRSS 51 1[...]

B-1 3170-A2-GB20-20 December 1996 T echnical Specifications Overview B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overview The technical specifications for the Models 3172 and 3174 DSU/CSUs are listed in T able B-1. T able B-1 (1 of 2) Models [...]

ACCULINK 317x E1 DSU/CSU B-2 December 1996 3170-A2-GB20-20 T able B-1 (2 of 2) Models 3172/3174 DSU/CSUs T echnical Specifications Specifications Criteria PORT INTERF ACE Standards Rates EIA 530A, V .35, RS- 449 Nx64 kbps Nx56 kbps APPROV ALS Refer to the product labeling CLOCKING SOURCES E1 network interface, synchronous data port, internal clock,[...]

C-1 3170-A2-GB20-20 December 1996 Configuration Options Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DTE Interface Configuration Options C-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU C-2 December 1996 3170-A2-GB20-20 DTE Interface Configuration Options T able C-1 DTE Interface Configuration Options DTE Port: Enab Next Enab Disab Prev DTE Drop/Insert Port. Enables the use of the DTE Drop/Insert port. Enab – Allows the use of the DTE Drop/Insert interface. Disab – Prohibits the use of the DTE Drop/Ins[...]

Configuration Options C-3 3170-A2-GB20-20 December 1996 Port Configuration Options T able C-2 (1 of 4) Port Configuration Options Port T ype: E530 Next E530 V .35 RS449 Prev Data Port T ype. Allows selection of the data port interface type. E530 – Configures the port as an EIA 530A compatible interface. EIA 530A DTEs can be directly connected to [...]

ACCULINK 317x E1 DSU/CSU C-4 December 1996 3170-A2-GB20-20 T able C-2 (2 of 4) Port Configuration Options All Ones: Both Next Disab DTR RTS Both Prev Send All Ones on Data Port Not Ready . Specifies the conditions on the data port that determine when valid data is not being sent from the DTE. When this condition is detected, all ones are sent to th[...]

Configuration Options C-5 3170-A2-GB20-20 December 1996 T able C-2 (3 of 4) Port Configuration Options EDL: Disab Next Enab Disab Prev Embedded Data Link. Specifies whether Embedded Data Link (EDL) is enabled for a particular port. If EDL is enabled, then 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data[...]

ACCULINK 317x E1 DSU/CSU C-6 December 1996 3170-A2-GB20-20 T able C-2 (4 of 4) Port Configuration Options Far-end: Disab Next Disab Maint Prev Far-End Performance Statistics. Specifies whether to monitor for far-end performance report messages (PRMs) and maintain far-end performance registers for a particular port. Disab – Disables far-end perfor[...]

Configuration Options C-7 3170-A2-GB20-20 December 1996 Network Interface Configuration Options T able C-3 Network Interface Configuration Options NET Frame: noCRC Next CRC4 noCRC Prev Network Line Framing Format. Designates the framing format for the Network E1 interface. CRC4 – Configures for the CRC4 framing format. noCRC – Configures for th[...]

ACCULINK 317x E1 DSU/CSU C-8 December 1996 3170-A2-GB20-20 Channel Configuration Options The Channel configuration options are divided into two tables as follows: • DTE Channel Configuration Options (T able C-4) • Data Port Channel Configuration Options (T able C-5) NOTE Entering the Channel (Chan) Configuration branch allows you to select Disp[...]

Configuration Options C-9 3170-A2-GB20-20 December 1996 T able C-5 (1 of 3) Data Port Channel Configuration Options Channel Config: Dsply Clear DTE Prt1 Prt2 Prt3 Prt4 _______________________ NOTE: The configuration options described in this table are made available by selecting Prt1, Prt2, Prt3, or Prt4 from this Channel Config screen. T able C-4 [...]

ACCULINK 317x E1 DSU/CSU C-10 December 1996 3170-A2-GB20-20 T able C-5 (2 of 3) Data Port Channel Configuration Options Port Rate: 384 Next 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1 152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Prev OR Next 56 1 12 168 224 280 336 392 448 504 560 616 672 728 784 8[...]

Configuration Options C-1 1 3170-A2-GB20-20 December 1996 T able C-5 (3 of 3) Data Port Channel Configuration Options N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N1 1 N12 ... N31 Next – – – – – – – – – – – – ... Prev OR D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D1 1 D12 ... D31 Next – – – – – – – – – – – -– ... Prev Data Por[...]

ACCULINK 317x E1 DSU/CSU C-12 December 1996 3170-A2-GB20-20 General Configuration Options T able C-6 General Configuration Options Pri Clk Src: NET Next NET DTE Prt1 Prt2 Prt3 Prt4 Int Ext Prev Primary Clock Source. Specifies the primary clock source for the E1 DSU/CSU. This selection synchronizes all internal timing and external interface clocks. [...]

Configuration Options C-13 3170-A2-GB20-20 December 1996 User Interface Configuration Options T able C-7 (1 of 3) User Interface Configuration Options Self-T est: Enab Next Enab Disab Prev Initial Self-T est. Specifies whether the E1 DSU/CSU performs a device self-test at power-up and after a device reset. Enab – Enables a self-test. Disab – Di[...]

ACCULINK 317x E1 DSU/CSU C-14 December 1996 3170-A2-GB20-20 T able C-7 (2 of 3) User Interface Configuration Options Com Rate: 9.6 Next 1.2 2.4 4.8 9.6 14.4 19.2 38.4 Prev Communication Port Rate. Configures the bit rate for the communication port. 1.2 – Sets the bit rate to 1200 bps. 2.4 – Sets the bit rate to 2400 bps. 4.8 – Sets the bit ra[...]

Configuration Options C-15 3170-A2-GB20-20 December 1996 T able C-7 (3 of 3) User Interface Configuration Options Ignore DTR: No Next Y es No Prev Communication Port Ignore DTR State. Specifies whether the E1 DSU/CSU ignores the state of the Data T erminal Ready (DTR) input to the communication port. Ye s – DTR is ignored. No – DTR is not ignor[...]

ACCULINK 317x E1 DSU/CSU C-16 December 1996 3170-A2-GB20-20 Alarm Configuration Options T able C-8 Alarm Configuration Options Alrm Msg: Disab Next Enab Disab Prev Alarm Messages. Controls the generation of alarm messages, which are routed to an ASCII terminal or printer attached to the communication port. For more information, refer to the Alarms [...]

Configuration Options C-17 3170-A2-GB20-20 December 1996 SNMP Configuration Options The SNMP configuration options are divided into two tables as follows: • General SNMP Configuration Options (T able C-9) • SNMP T rap Configuration Options (T able C-10) T able C-9 (1 of 4) General SNMP Configuration Options System Name: Next Edit Clear Prev Sys[...]

ACCULINK 317x E1 DSU/CSU C-18 December 1996 3170-A2-GB20-20 T able C-9 (2 of 4) General SNMP Configuration Options CommunityName2: Next Edit Clear Prev Community Name 2. Specifies the second of two community names that are allowed to access this unit’ s Management Information Base (MIB). External SNMP managers must supply this name to access an o[...]

Configuration Options C-19 3170-A2-GB20-20 December 1996 T able C-9 (3 of 4) General SNMP Configuration Options Com IP Adr: Next Edit Clear Prev Com Port IP Address. Specifies the IP address for the communication port when it is configured as the SNMP management link. The IP address is only in ef fect when the Com Use configuration option is set to[...]

ACCULINK 317x E1 DSU/CSU C-20 December 1996 3170-A2-GB20-20 T able C-9 (4 of 4) General SNMP Configuration Options Aux IP Adr: Next Edit Clear Prev IP Address for the Auxiliary Port. Specifies the IP address needed to access the unit when the auxiliary port is configured as the SNMP management link. The IP address is only in ef fect when the Aux Us[...]

Configuration Options C-21 3170-A2-GB20-20 December 1996 T able C-10 (1 of 2) SNMP T rap Configuration Options Num T rap Mgrs: 1 Next 1 2 3 4 5 6 Prev Number of T rap Managers. Specifies the number of SNMP trap managers that are to receive traps for this unit. NOTE: Y ou must configure an IP address for each trap manager that is to receive trap mes[...]

ACCULINK 317x E1 DSU/CSU C-22 December 1996 3170-A2-GB20-20 T able C-10 (2 of 2) SNMP T rap Configuration Options Entp T rap: Enab Next Enab Disab Prev Enterprise Specific T raps. Specifies whether enterpriseSpecific traps are enabled. For more information, refer to the SNMP T raps section in Chapter 4, Maintenance . Enab – Sends trap messages fo[...]

Configuration Options C-23 3170-A2-GB20-20 December 1996 Configuration W orksheets This section contains one set of blank worksheets to be used when configuring your E1 DSU/CSU in the network. It is recommended that you copy these blank worksheets before using them. DTE Options V alue DTE Port Enab, Disab DTE Frame CRC4, noCRC DTE Coding AMI, HDB3 [...]

ACCULINK 317x E1 DSU/CSU C-24 December 1996 3170-A2-GB20-20 Prt1 Options V alue Port T ype E530, V .35, RS449 Base Rate Nx64, Nx56 NetDCLB Enab, Disab Port LB Disab, DTLB, DCLB, Both All Ones Disab, DTR, RTS, Both Rcv RAI None, Halt Tx Clock Int, Ext InvertTxC Enab, Disab InvrtData Enab, Disab EDL Enab, Disab Err Rate 10E–4, 10E–5, 10E–6, 10E[...]

Configuration Options C-25 3170-A2-GB20-20 December 1996 Network E1 Interface Network Channel Allocation N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N1 1 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 Allocations D1 – D31 indicates allocation to DTE Drop/Insert channels. Prt1 – Prt4 indicates allocation to synchronous data p[...]

ACCULINK 317x E1 DSU/CSU C-26 December 1996 3170-A2-GB20-20 Port Chan Conf Options V alue Assign T o NET , DTE, Prt2, Prt3, Prt4 Assign By Block, Chan Port 1 If Assign By Block Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1 152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728, 1792, 1856[...]

Configuration Options C-27 3170-A2-GB20-20 December 1996 Port Chan Conf Options V alue Assign T o NET , DTE, Prt1, Prt2, Prt4 Assign By Block, Chan Port 3 If Assign By Block Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 1088, 1 152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728, 1792, 1856, 1[...]

ACCULINK 317x E1 DSU/CSU C-28 December 1996 3170-A2-GB20-20 General SNMP Options V alue System Name Edit, Clear System Location Edit, Clear System Contact Edit, Clear CommunityName1 Edit, Clear Access 1 Read, R/W CommunityName2 Edit, Clear Access 2 Read, R/W IP Adr Edit, Clear NetMask Edit, Clear Com IP Adr Edit, Clear Com NetMask Edit, Clear Com L[...]

D-1 3170-A2-GB20-20 December 1996 Pin Assignments Overview D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E1 Network Interface D-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ACCULINK 317x E1 DSU/CSU D-2 December 1996 3170-A2-GB20-20 E1 Network Interface The E1 network interface is either two BNC connectors (T ransmit and Receive) for a 75 ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular connector (T able D-1) for a 120 ohm balanced interface. The E1 120 ohm network interface adapter cable is shown in [...]

Pin Assignments D-3 3170-A2-GB20-20 December 1996 DTE Drop/Insert Interface The DTE Drop/Insert interface connector is a DB15-type socket connector (T able D-2). For information about using Relay Contact Sense for external DTE loopback, refer to the Extrn DLB configuration option in the DTE Interface Configuration Options section of Appendix C. The[...]

ACCULINK 317x E1 DSU/CSU D-4 December 1996 3170-A2-GB20-20 AUX Port Interface The Auxiliary (AUX) port connects to the SNMP LAN Adapter for SNMP applications, or to another E1 DSU/CSU’ s COM port for daisy chain connectivity . ( The SNMP LAN Adapter includes the cable that is needed to attach it to the E1 DSU/CSU. ) The AUX port connector is an 8[...]

Pin Assignments D-5 3170-A2-GB20-20 December 1996 COM Port Interface The COM port connects to a PC for front panel emulation, to an ASCII terminal or printer for alarms, to a network device (e.g., a router) for SNMP applications, to the SNMP LAN Adapter for SNMP applications, or to another E1 DSU/CSU’ s AUX port for daisy chain connectivity . ( T[...]

ACCULINK 317x E1 DSU/CSU D-6 December 1996 3170-A2-GB20-20 Figure D-3. COM Port-to-PC Cable Figure D-4. COM Port-to-T erminal/Printer Cable[...]

Pin Assignments D-7 3170-A2-GB20-20 December 1996 EIA 530A Port Interface Connector The EIA 530A Port Interface DB25 connector information is shown in T able D-5. T able D-5 EIA 530A Port Interface DB25 Connector Signal Circuit Mnemonic CCITT Number Direction Pin Shield — — — 1 Signal Common AB 102A — 7 Signal Common AC 102B — 23 T ransmi[...]

ACCULINK 317x E1 DSU/CSU D-8 December 1996 3170-A2-GB20-20 EIA 530A-to-RS449 Cable Interface The EIA 530A-to-RS449 adapter cable (Figure D-5) provides the RS449 interface shown in T able D-6. 1 2 14 3 16 15 12 17 9 4 19 5 13 20 8 10 6 7 21 18 23 24 11 25 22 1 4 22 6 24 5 23 8 26 7 25 9 27 12 13 31 11 19 14 10 20 17 35 18 29 30 SHIELD TD-A TD-B RD-A[...]

Pin Assignments D-9 3170-A2-GB20-20 December 1996 T able D-6 RS449 Cable Interface Signal Circuit Mnemonic CCITT Number Direction Pin Shield — — — 1 Signal Ground SG 102A — 19 Receive Ground RC 102B — 20 Send Common SC — — 37 Send Data SD 103 T o DSU/CSU 4 (A) 22 (B) Receive Data RD 104 From DSU/CSU 6 (A) 24 (B) Request-to-Send RS 105[...]

ACCULINK 317x E1 DSU/CSU D-10 December 1996 3170-A2-GB20-20 EIA 530A-to-V .35 Cable Interface The EIA 530A-to-V .35 adapter cable (Figure D-6) provides the V .35 interface shown in T able D-7. 1 2 14 3 16 15 12 17 9 4 5 8 6 7 24 11 20 21 18 25 A P S R T Y AA V X C D F E B U W H N L NN SHIELD TD-A TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS CTS RLSD [...]

Pin Assignments D-1 1 3170-A2-GB20-20 December 1996 T able D-7 V .35 Cable Interface Signal CCITT Number Direction Pin Shield — — A Signal Common 102 — B T ransmitted Data 103 T o DSU/CSU P (A) S (B) Received Data 104 From DSU/CSU R (A) T (B) Request to Send 105 T o DSU/CSU C Clear to Send 106 From DSU/CSU D Data Channel Received Line Signal [...]

ACCULINK 317x E1 DSU/CSU D-12 December 1996 3170-A2-GB20-20 EIA 530A-to-X.21 Cable Interface The EIA 530A-to-X.21 adapter cable (Figure D-7) provides the X.21 interface shown in T able D-8. 2 14 3 16 17 9 4 19 8 10 7 24 11 2 9 4 11 6 13 3 10 5 12 8 7 14 TD-A TD-B RD-A RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B SIG. COMMON TT -A TT -B TD-A TD-B RD-A[...]

Pin Assignments D-13 3170-A2-GB20-20 December 1996 T able D-8 X.21 Cable Interface Signal CCITT Number Direction Pin Signal Common 102 — 8 T ransmitted Data 103 T o DSU/CSU 2 (A) 9 (B) Received Data 104 From DSU/CSU 4 (A) 1 1 (B) Request-to-Send 105 T o DSU/CSU 3 (A) 10 (B) Data Channel Received Line Signal Detector 109 From DSU/CSU 5 (A) 12 (B) [...]

ACCULINK 317x E1 DSU/CSU D-14 December 1996 3170-A2-GB20-20 Power Input Connector The input power connector leads are shown in T able D-9. T able D-9 DC Power Connector Signal Pin Number – 48 Vdc Return 1, 2 – 48 Vdc A 6 – 48 Vdc B 5 +24 Vdc 5 +24 Vdc Return 4 Chassis Ground 3 Optional DC Power Cable The power cable is a 14.5-foot, 18 A WG st[...]

Pin Assignments D-15 3170-A2-GB20-20 December 1996 External Clock Interface The External Clock connector pinouts are in T able D-10. A cable diagram is shown in Figure D-9. This is a customer -supplied cable. T able D-10 External Clock Connector Signal Pin Number Shield 1 Clock (+) (RS422 only) 2 Clock (–) (RS422 only) 3 Clock In (RS423 only) 9 S[...]

E-1 3170-A2-GB20-20 December 1996 SNMP MIB Objects Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Management Information Base (MIB) II (RFC 1213) E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System G[...]

ACCULINK 317x E1 DSU/CSU E-2 December 1996 3170-A2-GB20-20 IP Group Supported. ICMP Gr oup Supported. TCP Group Not supported since the TCP protocol is not supported by the E1 DSU/CSU. UDP Group Supported. EGP Group Not supported since the EGP protocol is not supported by the E1 DSU/CSU. T ransmission Group Supported on the E1 interfaces using the [...]

E-3 3170-A2-GB20-20 December 1996 Interface Group – “ifIndex” Object (ifEntry 1) This object provides the index into the ifT able and typically into tables in other MIBs also. The values of the ifIndex object do not vary between models even though not all indexes are supported for a particular model. When an unsupported index is accessed, “[...]

ACCULINK 317x E1 DSU/CSU E-4 December 1996 3170-A2-GB20-20 Interface Group – “ifMtu” Object (ifEntry 4) This object identifies the lar gest datagram that can be sent or received on the interface. It is applicable only to the interface configured as the SNMP management link. This object is zero for all other interfaces. Interface Group – “[...]

E-5 3170-A2-GB20-20 December 1996 Interface Group – “ifLastChange” Object (ifEntry 9) This object contains the value of “sysUpT ime” at the time the interface entered its current operational state. For the E1 DSU/CSU, this object is only updated for the “up” and “down” states. This is done since the “testing” state is not mutu[...]

ACCULINK 317x E1 DSU/CSU E-6 December 1996 3170-A2-GB20-20 IP Group – “ipRouteT able” Object (ip 21) The routing table used by the E1 DSU/CSU is supported as a read/write table. Entries in this table may be added, deleted, or changed. Y ou should exercise great caution when adding or modifying routes in the ipRoutingT able. In general, it sho[...]

E-7 3170-A2-GB20-20 December 1996 IP Group – “ipRouteProto” Object (ipRouteEntry 9) This object is a read-only object and may have the following values in the E1 DSU/CSU. • other(1) – T emporary route added by IP . • local(2) – Route added or modified as a result of user configuration via the front panel. • netmgmt(3) – Route adde[...]

ACCULINK 317x E1 DSU/CSU E-8 December 1996 3170-A2-GB20-20 DS1/E1 MIB (RFC 1406) The “ds1” object defined by RFC 1406 is supported for both the network and DTE Drop/Insert interfaces. The DS1 Near End Group and DS1 Fractional Group are supported for both interfaces. The DS1 Far End Group is not supported. Near End Group, DS1/E1 MIB The DS1 Near[...]

E-9 3170-A2-GB20-20 December 1996 Near End Group – “dsx1CircuitIdentifier” Object (dsx1ConfigEntry 8) This object is only supported on the network interface. Near End Group – “dsx1LoopbackConfig” Object (dsx1ConfigEntry 9) This object specifies the loopback state of the E1 interfaces. Only the following values are supported by the E1 DS[...]

ACCULINK 317x E1 DSU/CSU E-10 December 1996 3170-A2-GB20-20 Near End Group – “dsx1Fdl” Object (dsx1ConfigEntry 13) This object specifies how Facility Data Link is being used. Only the following values are supported by the E1 DSU/CSU. More than one value may be active at a time. • dsx1other(1) – SNMP data is being sent over the FDL. • ds[...]

E-1 1 3170-A2-GB20-20 December 1996 The DS1 Fractional Group, DS1/E1 MIB The DS1 Fractional group consists of the DS1 fractional table. This table (dsx1FracT able) is fully supported by the E1 DSU/CSU and allows channel (time slots) to be mapped between the E1 interfaces and data ports. If an invalid channel map (e.g., two interfaces mapped to a si[...]

ACCULINK 317x E1 DSU/CSU E-12 December 1996 3170-A2-GB20-20 General Port T able – “rs232PortT ype” Object (rs232PortEntry 2) This object is used to identify the port’ s hardware type. Only the following values are supported by the E1 DSU/CSU. • rs232(2) – Used to identify the AUX and COM ports. • rs422(3) – Used to identify synchron[...]

E-13 3170-A2-GB20-20 December 1996 Asynchronous Port T able, “rs232AsyncPortParity” (rs232AsyncPortEntry 4) This object specifies the parity used by the port. Only the following values are supported by the E1 DSU/CSU. • none(1) – No parity bit. • odd(2) – Odd parity . Supported on the COM port only . • even(3) – Even parity . Suppor[...]

ACCULINK 317x E1 DSU/CSU E-14 December 1996 3170-A2-GB20-20 Output Signal T able – “rs232OutSigChanges” (rs232OutSigEntry 4) This object is not supported by the E1 DSU/CSU. Generic-Interface Extension MIB (RFC 1229) The generic-interface MIB is an experimental MIB that provides extensions to the generic interface group defined in MIB II. This[...]

E-15 3170-A2-GB20-20 December 1996 • testSendV54Up – OBJECT IDENTIFIER ::= [wellKnownT ests 7] • testSendV54Down – OBJECT IDENTIFIER ::= [wellKnownT ests 8] • testSend1in8 – OBJECT IDENTIFIER ::= [wellKnownT ests 12] Generic Interface T est T able – “ifExtnsT estResult” Object (ifExtnsT estEntry 5) This object contains the result [...]

ACCULINK 317x E1 DSU/CSU E-16 December 1996 3170-A2-GB20-20 Correlation between Menu Commands and SNMP Objects T able E-1 provides a correlation between how a function is performed or status is displayed on the front panel and how the same function is accomplished using access to the SNMP database. SNMP objects are displayed in bold type while valu[...]

E-17 3170-A2-GB20-20 December 1996 T able E-1 (2 of 3) SNMP MIB to Front Panel Command Cross-Reference Front Panel Command SNMP MIB Object Stat–>T stat: LLB T est Active PLB T est Active RLB T est Active DLB T est Active DCLB on Port n DTLB on Port n 1–8 T est Active QRSS on Port n 51 1 on Port n Mon QRSS, Port n Mon51 1, Port n Read: dsx1Li[...]

ACCULINK 317x E1 DSU/CSU E-18 December 1996 3170-A2-GB20-20 T able E-1 (3 of 3) SNMP MIB to Front Panel Command Cross-Reference Front Panel Command SNMP MIB Object T est–>Ptrns–>Send–>51 1–>Prt n T est–>Ptrns–>Abort–>Send–>Prt n Set IfExtnsT estT ype for port n to testSend51 1 Set IfExtnsT estT ype for port n[...]

F-1 3170-A2-GB20-20 December 1996 IP Network Addressing Scenario Overview F-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IP Network Addressing F-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ACCULINK 317x E1 DSU/CSU F-2 December 1996 3170-A2-GB20-20 ETHERNET 135.18.1.2 496-14645-03 LAN ADAPTER COMSPHERE 3610 COMSPHERE 3610 COMSPHERE 3610 COMSPHERE 3610 COMSPHERE 3610 COMSPHERE 3610 COMSPHERE 3610 135.18.1.3 135.18.1.4 135.18.1.5 135.18.1.7 135.18.1.6 135.18.1.1 135.18.1.1 135.18.40.1 AUX/COM IP ADDRESS: 135.18.40.2 SUBNET 135.18.40.0 S[...]

G-1 3170-A2-GB20-20 December 1996 Front Panel Emulation Overview G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing Front Panel Emulation Software G-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ACCULINK 317x E1 DSU/CSU G-2 December 1996 3170-A2-GB20-20 Starting Front Panel Emulation If the E1 DSU/CSU selected is not locally attached to the PC, you must first dial to the remote E1 DSU/CSU before starting front panel emulation. The modem attached to the PC must support A T commands for the Front Panel Emulation software to successfully plac[...]

H-1 3170-A2-GB20-20 December 1996 Equipment List Equipment Feature Number COMCODE Model 3172 DSU/CSU (120 V ac) 3172-A1-310 107608903 Model 3174 DSU/CSU (120 V ac) 3174-A1-310 10760891 1 Model 3172 DSU/CSU (100 to 240 V ac) 3172-A1-410 107764516 Model 3174 DSU/CSU (100 to 240 V ac) 3174-A1-410 107764524 Model 3172 DSU/CSU (+24 / – 48 Vdc) 3172-A1[...]

Glossary-1 3170-A2-GB20-20 December 1996 Glossary Activ Active configuration area. The configuration option set that is currently active for the device. Before a configuration option set becomes active, you must save the set to the Active configuration area. adapter Hardware that provides some transitional function between two or more devices. addr[...]

ACCULINK 317x E1 DSU/CSU Glossary-2 December 1996 3170-A2-GB20-20 bit Binary digit. The smallest unit of information, representing a choice between a one or a zero (sometimes called mark or space). block allocation method A method of allocating DS0 channels as a group rather than individually . BNC Bayonet-Neill-Concelman. A bayonet-type connector [...]

Glossary Glossary-3 3170-A2-GB20-20 December 1996 CRC6 CRC using six check bits. CSA Canadian Standards Association. CSU Channel Service Unit. Protects the E1 line from damage and regenerates the E1 signal. Ctrl branch Control branch of the E1 DSU/CSU menu tree. CTS Clear -to-Send. V .24 circuit 106. Cust1 Customer 1 configuration area. The first o[...]

ACCULINK 317x E1 DSU/CSU Glossary-4 December 1996 3170-A2-GB20-20 DSU Data Service Unit. Data communications equipment that provides an interface between the DTE and the digital network. DS0 Digital Signal Level 0. A 64 kbps standard signal or channel. DS0 channel allocation Assigning specific DS0 channels in the E1 DSU/CSU to specific interfaces ([...]

Glossary Glossary-5 3170-A2-GB20-20 December 1996 frame relay A switching interface that is designed to get frames from one part of the network to another as quickly as possible. framing A technique that separates bits into identifiable groups. Generic-Interface Extension MIB An extension to MIB II that defines additional objects for control of gen[...]

ACCULINK 317x E1 DSU/CSU Glossary-6 December 1996 3170-A2-GB20-20 Lpbk branch Local Loopback branch of the E1 DSU/CSU menu tree. LQR Link Quality Reports. manager (SNMP) The device that queries agents for management information, or receives unsolicited messages (traps) indicating the occurrence of specific events. MB Megabytes. A unit of memory mea[...]

Glossary Glossary-7 3170-A2-GB20-20 December 1996 power -up self-test A test that checks most hardware components when power is applied to the device or a reset is initiated. PPP Point-to-Point Protocol. A link layer protocol used by SNMP . PRBS Psuedo-Random Bit Sequence. A test pattern containing any possible combination of digital ones and zeros[...]

ACCULINK 317x E1 DSU/CSU Glossary-8 December 1996 3170-A2-GB20-20 self-test A test that checks most hardware components when power is applied to the device or a reset is initiated. server A device that of fers a specific service, such as database management, to a client. SES Severely Errored Seconds. Seconds with 805 or more CRC errors or errored f[...]

Glossary Glossary-9 3170-A2-GB20-20 December 1996 warmStart trap An SNMP trap that indicates that the device has reinitialized itself. wireless communications The transmission of voice and/or data over the airwaves. XTXC External T ransmit Clock. V .24 circuit 1 13. 1in8 T est A test pattern consisting of a one (1) followed by seven zeros (on the n[...]

Index-1 3170-A2-GB20-20 December 1996 Index A abort lamp test, 4-24 loopback, 4-19–4-20 test patterns, 4-22–4-23 ac power module, 1-5, B-1 Activ (Active) configuration area functional description, 3-1 1 in the menu tree, A-1 addressing. See IP (Internet Protocol) addressing agent, SNMP , 1-2 AIS (Alarm Indication Signal) condition ASCII termina[...]

ACCULINK 317x E1 DSU/CSU Index-2 December 1996 3170-A2-GB20-20 DTE Interface, C-2 General, C-12 Network Interface, C-7 Port, C-3–C-6 SNMP , C-17–C-22 User Interface, C-13–C-15 worksheets, C-23–C-28 connectors, rear panel cabling examples, 2-8 functional description, 1-5 physical description, 1-4 pin assignments, D-1–D-15 CPU failure messa[...]

Index-3 3170-A2-GB20-20 December 1996 G Gen (General) Configuration branch example of use, 3-34–3-35 in the menu tree, A-1 option table, C-12 option worksheet, C-23 H HDB3 (High Density Bipolar 3) coding configuration option, C-2 Self-T est Health message, 4-2 I ID (Identity) branch example of use, 3-8 in the menu tree, A-1 indicators. See LEDs, [...]

ACCULINK 317x E1 DSU/CSU Index-4 December 1996 3170-A2-GB20-20 channel allocation procedure, 3-20–3-26 configuration options, C-7 failure message, 4-2 front panel LED indications, 3-5 functional description, 1-5, 2-1 physical description, 1-4 pin assignments, D-2 technical specifications, B-1 troubleshooting, 4-1 1 O objects, SNMP , 1-2, E-1–E-[...]

Index-5 3170-A2-GB20-20 December 1996 S secondary clock configuration option, C-12 functional description, 3-33 self-test displaying results, 4-2 front panel indications, 2-9, 3-5 troubleshooting, 4-1 1 Send Ones configuration option, C-2, C-4 Serial Line Internet Protocol (SLIP) procedure for configuring, 3-16 used with SNMP system, 1-2, 2-3, 3-14[...]