Manuel d'utilisation / d'entretien du produit 3060 du fabricant ADTRAN
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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 ........
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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 .
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).
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.
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 .
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).
20 Section 61182007L1-5, Issue 1 61182007L1-5A.
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.
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.
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.
A-4 Section 61182007L1-5, Issue 1 61182007L1-5A.
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.
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.
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.
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>.
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.
B-6 Section 61182007L1-5, Issue 1 61182007L1-5A.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté ADTRAN 3060 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du ADTRAN 3060 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation ADTRAN 3060, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le ADTRAN 3060 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le ADTRAN 3060, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du ADTRAN 3060.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le ADTRAN 3060. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei ADTRAN 3060 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
