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ADTRAN 3060 manual

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Table of contents for the manual

  • Page 1

    1 Section 61182007L1-5, Issue 1 61182007L1-5A Section 61182007L1-5A Issue 1, June 2001 T otal Access ® 3010 L TU High-bit-rate Digital Subscriber Line T ransceiver Unit for the Central Office Installation and Maintenance CONTENTS 1. GENE RAL ............................................................................ 1 2. INSTALLATION ............[...]

  • Page 2

    2 Section 61182007L1-5, Issue 1 61182007L1-5A C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. The HDSL local loop operates as two independent subsystems each operating over a single twisted pair. The LTU communicates over these two twisted pairs to the HDSL Transceiver Unit - Remote end (NT[...]

  • Page 3

    3 Section 61182007L1-5, Issue 1 61182007L1-5A 3. OPERATION Powering Options The unit features automatic sensing based on the current load detected on the HDSL circuit. Span powering at less than -120 Vdc allows for span powering of circuits without REGs or with one REG. LTU Alarm Outputs Pin B10 of the LTU edge connector interface provides a fuse a[...]

  • Page 4

    4 Section 61182007L1-5, Issue 1 61182007L1-5A Status Mode After selecting the LTU from the SCU, the display enters Status mode. It alternately displays loop margin for each HDSL loop, any active alarm condition, and general status conditions. The HDSL loop margin is displayed for each loop that is active with the messages “1=xx” and “2=xx” [...]

  • Page 5

    5 Section 61182007L1-5, Issue 1 61182007L1-5A REG Loopback The REG HDSL transceivers are looped back toward the LTU. This loopback enables a complete checkout of the LTU data path, the HDSL link between the LTU and the REG, and the REG data path. The REG loopback is activated via the V.24 craft interface. Front Panel Display Message/Condition: LLOS[...]

  • Page 6

    6 Section 61182007L1-5, Issue 1 61182007L1-5A Many portable personal computers use power-saving programs that are known to interfere with applications running on the personal computer. If using a portable personal computer with terminal emulation capability, communication between the computer and the HDSL unit may be periodically disrupted if power[...]

  • Page 7

    7 Section 61182007L1-5, Issue 1 61182007L1-5A Figure 6. Logon Screen S helf: 77 Total Access System 04/07/01 15:44 Unacknowledged Alarms: MAJOR MINOR INFO Total Access System Account Name: ‘?’ - System Help Screen Figure 7. Total Access Screen Shelf: 77 Total Access System 04/07/01 15:45 Unacknowledged Alarms: MAJOR MINOR INFO Total Access 1. S[...]

  • Page 8

    8 Section 61182007L1-5, Issue 1 61182007L1-5A From the Total Access System Screen, select Access Modules by typing the number corresponding to the option followed by <Enter>. This will display the Access Module Menu Screen, illustrated in Figure 8 , which will display the Access Modules occupying the Total Access 3010 shelf. Select the corres[...]

  • Page 9

    9 Section 61182007L1-5, Issue 1 61182007L1-5A This will display the ADTRAN HDSL Main Menu as illustrated in Figure 9 . From the ADTRAN HDSL Main Menu, the following screens can be accessed. 1. Configuration 2. Provisioning 3. Status 4. Alarms 5. Test 6. Performance Monitoring 7. Protection Configuration 8. Circuit ID 9. Alarm Options The Configurat[...]

  • Page 10

    10 Section 61182007L1-5, Issue 1 61182007L1-5A The Provisioning Screen, as illustrated in Figure 11 , displays current provisioning settings and allows for changing the system configuration. Provisioning changes are only allowed at the CO end of the circuit. The unit retains the last provisioning changes to determine its operating mode. Figure 12. [...]

  • Page 11

    11 Section 61182007L1-5, Issue 1 61182007L1-5A The Status Screen, illustrated in Figure 13, provides quick access to status information for both the LTU and NTU, in addition to any regenerators. Type “3” to view the status screen for REG #1, as illustrated in Figure 14 . If the circuit involves a second REG, press “4” from the REG #1 Status[...]

  • Page 12

    12 Section 61182007L1-5, Issue 1 61182007L1-5A Predicting performance based upon signal quality varies with each loop. Generally, a noise margin of 0 or higher will support a bit error rate (BER) of better than 10-7. The following guidelines correspond to the operation of the LTU faceplate LEDs labeled LP1 and LP2. See Table 3 . Table 3. LP1 and LP[...]

  • Page 13

    13 Section 61182007L1-5, Issue 1 61182007L1-5A At each 15-minute interval, the performance information is transferred to the 15-minute performance data register accessed from the Performance History screen. At each 24-hour interval, the performance data is transferred into the 24-hour performance data register also accessed using the Performance Hi[...]

  • Page 14

    14 Section 61182007L1-5, Issue 1 61182007L1-5A The Protection Configuration Screen - Main, illustrated in Figure 18 , displays the current settings for Protection Mode, BER Threshold and BER Interval. The BER Threshold allows the user to select a bit error rate that, when exceeded, will cause a switchover to an auxiliary circuit. The BER Interval d[...]

  • Page 15

    15 Section 61182007L1-5, Issue 1 61182007L1-5A Table 4. Protection Configuration Option Settings s n o i t p O n o i t c e t o r Ps g n i t t e Sn o i t p i r c s e D e d o M n o i t c e t o r Po t u A . n o i t n e v r e t n i r e s u o n h t i w X U A o t n i a M m o r f s e h c t i w s y l l a c i t a m o t u a m e t s y S . d l o h s e r h T R [...]

  • Page 16

    16 Section 61182007L1-5, Issue 1 61182007L1-5A System Current Status are also displayed beneath the Current Settings summary. The Current System Status message displays the current operational state (Normal, Switched to AUX, Locked Out, Forced to Main, Forced to AUX, Locked to Main). The following messages are displayed according to the current sta[...]

  • Page 17

    17 Section 61182007L1-5, Issue 1 61182007L1-5A Figure 21 illustrates the Alarm Options Screen. This option allows the user to first set a 15-minute threshold for both ES and SES alarms and subsequently to categorize the crossing of those thresholds as a MINOR or MAJOR alarm. Setting a threshold to 900 will disable it. 6. HDSL DEPLOYMENT GUIDELINES [...]

  • Page 18

    18 Section 61182007L1-5, Issue 1 61182007L1-5A Table 5. Total Access 3000 LTU Specifications Loop Interface Modulation Type ............................... 2B1Q Mode .................................................. Full Duplex, Echo Canceling Number of Pairs ................................. Two Bit Rate ..........................................[...]

  • Page 19

    19 Section 61182007L1-5, Issue 1 61182007L1-5A 9. WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five (5) years from the date of shipment if it does not meet its published specifications or fails while in service. (See ADTRAN International Equipment Warranty, document 60000003-3). Contact Customer And Product Servic[...]

  • Page 20

    20 Section 61182007L1-5, Issue 1 61182007L1-5A[...]

  • Page 21

    61182007L1-5A Section 61182007L1-5, Issue 1 A-1 Appendix A HDSL H-LSS Circuit Configuration and T urnup for G.703 Fed Systems Introduction This section provides step-by-step instructions for the configuration and turnup of an HDSL Loop Support System (H-LSS) circuit on an HDSL loop fed from the network via individual G.703. Configuration procedures[...]

  • Page 22

    A-2 Section 61182007L1-5, Issue 1 61182007L1-5A If this is an initial installation, the units will require provisioning to appropriately configure them out of the factory default states. 2.1 Logon to Total Access system. 2.2 Check to ensure the LTU line cards are correctly provisioned according to circuit parameters. Under the Provisioning menu, se[...]

  • Page 23

    61182007L1-5A Section 61182007L1-5, Issue 1 A-3 4.1.4 Upon provisioning of the NTUs, the faceplate LEDs should read as shown in Table 1. NOTE The condition of the ALM, G.703 and G.703 LEDs depends upon the status of the equipment on the ends of the installed circuit. If both terminations of the circuit are appropriately configured and prepared to p[...]

  • Page 24

    A-4 Section 61182007L1-5, Issue 1 61182007L1-5A[...]

  • Page 25

    61182007L1-5A Section 61182007L1-5, Issue 1 B-1 Appendix B HDSL H-LSS Circuit Configuration and T urnup for DS3-Fed Systems 1. UNPACK AND INSPECT THE THE TOTAL ACCESS DS3 MUX MODULES Each DS3 MUX Module is shipped in its own cardboard shipping carton. Open the carton carefully and avoid puncturing the carton with sharp objects. After removing the u[...]

  • Page 26

    B-2 Section 61182007L1-5, Issue 1 61182007L1-5A NOTE Only one DS3 MUX is required for any data circuit to be operational. Two modules are used for electronics redundancy of the DS3 circuit. 2.2 Provision the DS3 MUX NOTE There are no settings on the SCU that will affect APS operation of either the DS3 MUX units or the LTU line cards. 2.2.1 Logon to[...]

  • Page 27

    61182007L1-5A Section 61182007L1-5, Issue 1 B-3 3. INSTALL THE LTU The Total Access 3010 LTU delivers an E1 signal over an HDSL local loop. The local loop in the H-LSS configuration includes two independent 4-wire circuits. The two LTUs communicate to their respective remote units, the NTUs. When an H-LSS switch occurs, the AUX circuit takes over t[...]

  • Page 28

    B-4 Section 61182007L1-5, Issue 1 61182007L1-5A 3.2.5 From the provisioning menu of the AUX circuit, reset the AUX unit to OOS-M . 3.2.6 Logoff the system. a. From the Total Access Menu, select Option 7, Logoff , and press <Enter>. b. From the Exit and Logoff screen, select “ Y ” and press <Enter>. 4. INSTALL THE DUAL-SLOT STANDALON[...]

  • Page 29

    61182007L1-5A Section 61182007L1-5, Issue 1 B-5 NOTE Ensure that data has been removed from the AUX circuit before proceeding with the next step. Disabling protection switching before removing data from the AUX loop will cause a loss of signal condition on that loop. Under normal circumstances, the data on the H-LSS circuit will be running on the M[...]

  • Page 30

    B-6 Section 61182007L1-5, Issue 1 61182007L1-5A[...]