Manuel d'utilisation / d'entretien du produit 7924 du fabricant Paradyne
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H OT W IRE MODEL 7924 ST ANDALONE T1 HDSL TERMINA TION UNIT USER’S GUIDE Document No. 7924-A2-GB20-30 October 1997.
Printed on recycled paper A 7924-A2-GB20-30 October 1997 Copyright 1997 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law .
Important Information B 7924-A2-GB20-30 October 1997 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord.
Important Information C 7924-A2-GB20-30 October 1997 EMI W arnings ! W ARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
i 7924-A2-GB20-30 October 1997 Contents About This Guide Document Purpose and Intended Audience v . . . . . . . . . . . . . . . . . . . . . . . . . Document Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents ii 7924-A2-GB20-30 October 1997 5 Customizing V .35-Compatible Units Accessing Configuration Options 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Making Changes from the T erminal Interface 5-2 . . . . . . .
Contents iii 7924-A2-GB20-30 October 1997 B Cable Pin Assignments T erminal Connection Cable Pin Assignments B-1 . . . . . . . . . . . . . . . . . . . . . . . HDSL Loop Connection Cable Pin Assignments B-2 . . . . . . . . . . . . . . . . . . .
v 7924-A2-GB20-30 October 1997 About This Guide Document Purpose and Intended Audience This guide contains information needed to set up, configure, and operate HotWire Model 7924-A1 T1 HDSL termination units.
About This Guide vi 7924-A2-GB20-30 October 1997 Section Description Chapter 6 Monitoring the Unit. Describes how to monitor unit status, LEDs, and network statistics. Also describes how to monitor the status of the unit on the opposite side of the HDSL connection.
1-1 7924-A2-GB20-30 October 1997 About HotW ir e Model 7924 T ermination Units 1 HotW ir e 7924-A1 Models and Featur es Products in the HotWire 7924 family provide “last mile/last kilometer” transport of T1-compatible circuits between customer facilities and central site equipment over 2- or 4-wire copper lines.
About HotWire Model 7924 T ermination Units 1-2 7924-A2-GB20-30 October 1997 There are several versions of the Model 7924-A1, each supporting a different interface (DSX-1 or V .35) and power supply (120 V ac, 230 V ac, or – 48 Vdc): Model Number Features 7924-A1-201 1.
About HotWire Model 7924 T ermination Units 1-3 7924-A2-GB20-30 October 1997 T ypical Configurations HotWire Model 7924 standalone units can be used in campus applications where long loop distances normally require the campus to contract with the local telephone exchange carrier to deliver private line services across the campus.
About HotWire Model 7924 T ermination Units 1-4 7924-A2-GB20-30 October 1997 HotWire Model 7924 standalone units are also ideal for delivering T1 services from a central site to the customer premises over long loop distances without repeaters.
About HotWire Model 7924 T ermination Units 1-5 7924-A2-GB20-30 October 1997 Cellular network providers must lease large numbers of T1 circuits in order to connect remote cell sites to mobile telephone switching offices (MTSOs). HotWire Model 7924 products provide an alternative to standard repeatered T1 services.
2-1 7924-A2-GB20-30 October 1997 Installing the Unit 2 Overview This chapter describes the procedure for installing a single standalone termination unit using a 120 V ac or 230 V ac power supply (Model 7924-A1-20x or 7924-A1-30x).
Installing the Unit 2-2 7924-A2-GB20-30 October 1997 Connecting to the Network Procedur e 1. Connect one end of the supplied 14 ′ twisted-pair network cable into the rear panel HDSL jack.
3-1 7924-A2-GB20-30 October 1997 Using T erminal and Switchpack Modes 3 Choosing an Interface Mode Y ou can make configuration changes either through an asynchronous terminal (T erminal Mode) or by manually changing switches and jumpers on the board (Switchpack Mode).
Using T erminal and Switchpack Modes 3-2 7924-A2-GB20-30 October 1997 Connect the 9-pin end of the terminal cable into a COM port on your PC. Plug the other end into the modular jack on the termination unit’s front panel. If your PC requires a 25-pin connector to the COM port, see Appendix B, Cable Pin Assignments , for the correct cable pinouts.
4-1 7924-A2-GB20-30 October 1997 Customizing DSX-1-Compatible Units 4 Accessing Configuration Options This chapter explains how to change configuration options for HotWire 7924-A1 standalone units that are DSX-1-compatible. Chapter 5 provides similar information for V .
Customizing DSX-1-Compatible Units 4-2 7924-A2-GB20-30 October 1997 This guide depicts the system terminal menus as they appear from a CP unit. This is the default configuration for Model 7924 standalone units. Making Changes fr om the T erminal Interface The Board Configuration menu displays the current board software and hardware settings.
Customizing DSX-1-Compatible Units 4-3 7924-A2-GB20-30 October 1997 T able 4-1. DSX-1-Compatible Units Configuration Options (1 of 2) 1) HDSL Card T ype Possible Settings: CP , CO Default Setting: CP Indicates the placement of the unit in the network configuration.
Customizing DSX-1-Compatible Units 4-4 7924-A2-GB20-30 October 1997 T able 4-1. DSX-1-Compatible Units Configuration Options (2 of 2) 5) Line Build Out Possible Settings: 0 to 133 ft, 133 to 266 ft, 266 to 399 ft, 399 to 533 ft, 533 to 655 ft Default Setting: 0 to 133 ft T o change the line build-out length, enter 5 at the Config command prompt.
Customizing DSX-1-Compatible Units 4-5 7924-A2-GB20-30 October 1997 Making Changes in Switchpack Mode When operating in Switchpack Mode, you can change configuration options by moving switches on the board hardware.
Customizing DSX-1-Compatible Units 4-6 7924-A2-GB20-30 October 1997 Displaying Line Build-Out Definitions Enter 7 at the Config prompt to display the switchpack and board settings for line build-out. Use this information to change the line build-out parameter manually .
5-1 7924-A2-GB20-30 October 1997 Customizing V .35-Compatible Units 5 Accessing Configuration Options This chapter explains how to change configuration options for HotWire 7924-A1 models that are V .35-compatible. Chapter 4 provides similar information for DSX-1-compatible units.
Customizing V .35-Compatible Units 5-2 7924-A2-GB20-30 October 1997 Making Changes fr om the T erminal Interface The Board Configuration menu displays the current board software and hardware settings. It also allows you to change certain parameters on the board.
Customizing V .35-Compatible Units 5-3 7924-A2-GB20-30 October 1997 Possible values for each parameter are listed in T able 5-1 . See Appendix A, Worksheets , for help in selecting the appropriate configuration options for your application. T able 5-1.
Customizing V .35-Compatible Units 5-4 7924-A2-GB20-30 October 1997 Making Changes in Switchpack Mode When operating in Switchpack Mode, you can change configuration options by moving switches on the board hardware.
Customizing V .35-Compatible Units 5-5 7924-A2-GB20-30 October 1997 Displaying Switchpack Definitions Enter 4 at the Config prompt to display the definition of each position in the two switchpacks. Switchpack definitions are also listed in Appendix C, Switchpacks and Jumpers .
6-1 7924-A2-GB20-30 October 1997 Monitoring the Unit 6 What to Monitor This chapter presents information on how to access and monitor status and performance statistics for the unit and its network connection.
Monitoring the Unit 6-2 7924-A2-GB20-30 October 1997 Board Status Board Status option from the Main Menu displays HDSL circuit operational status. Enter 1 at the Main Menu Command prompt to display board status. Command → 1 T1 STATUS: Network is UP LOOPBACK STATUS: OFF HDSL STATUS: LOOP A is UP, LOOP B is UP S/N RATIO: Loop A = 44.
Monitoring the Unit 6-3 7924-A2-GB20-30 October 1997 Performance Statistics Performance monitoring allows detailed observations of error conditions detected on the circuits. Performance Monitor statistics can be displayed in defined time periods from the previous minute to the previous 24 hours, plus a running total.
Monitoring the Unit 6-4 7924-A2-GB20-30 October 1997 stats → 1 Current 1 minute: HDSL Errors: T1 Errors: FAW LoopA – 0 BPV – 0 FAW LoopB – 0 CRC – 0 CRC LoopA – 0 MOS – 0 CRC LoopB – 0.
Monitoring the Unit 6-5 7924-A2-GB20-30 October 1997 The type of statistics displayed under the T1 Errors column depends on the type of framing selected. When the unit is configured for D4 framing, F AS (Frame Alignment Signal) errors are reported. When the unit is configured for ESF framing, CRC (Cyclic Redundancy Check) errors are reported.
Monitoring the Unit 6-6 7924-A2-GB20-30 October 1997 Fr ont Panel LEDs DSX-1-Compatible Unit Upon power up, the first three LEDs blink in sequence, indicating a successful start configuration. The green PWR LED lights whenever power is applied to the board.
Monitoring the Unit 6-7 7924-A2-GB20-30 October 1997 V .35-Compatible Unit The green PWR LED lights whenever power is applied to the board. Loop LEDs blink until the loop has been synchronized and then remain off.
7-1 7924-A2-GB20-30 October 1997 T esting 7 Detecting a Pr oblem The unit can detect and report problem conditions and perform diagnostic tests. The unit offers a number of indicators to alert you to .
T esting 7-2 7924-A2-GB20-30 October 1997 Local Loopbacks When a local loopback is enabled, the red Loop Bk LED on the front panel of the initiating unit lights up and remains lit until the loopback is disabled. The data flow is indicated by the bold thick arrows in Figures 7-1 and 7-2 .
T esting 7-3 7924-A2-GB20-30 October 1997 Remote Loopbacks When a remote loopback is enabled, the red Loop Bk LED on the front panel of the remote-end unit (CO or CP) lights up and remains lit until the loopback is disabled. The loopback LED on the initiating unit does not light.
T esting 7-4 7924-A2-GB20-30 October 1997 Starting and Stopping Loopbacks T o start or stop a local loopback test, enter 5 at the Main Menu Command prompt. Command → 5 Local Loopback is Enabled! Command → 5 Local Loopback is Disabled! T o start or stop a remote loopback test, enter 6 at the Main Menu Command prompt.
T esting 7-5 7924-A2-GB20-30 October 1997 Resetting the Unit T o reset the board, enter 4 at the Main Menu Command prompt. This is equivalent to cycling the power . Command → 4 Reset will bring the loops down. Are you sure? (y/n) Command → If “y” is selected, the Main Menu reappears, the loops go down, and the F AIL (reset) LED lights up.
A-1 7924-A2-GB20-30 October 1997 W orksheets A Overview The worksheets in this appendix show the correct configuration settings based on the types of units (DSX-1-compatible or V .35-compatible) on either end of the HDSL connection. There are two combinations of the two types of units: DSX-1-compatible units on both ends V .
Worksheets A-2 7924-A2-GB20-30 October 1997 DSX-1-to-DSX-1 Configuration M ultiple xe r DSX-1 Un i t DSX-1 M ultiple xe r DSX-1 Un i t DSX-1 C ross- ca mpus 2 - or 4 - wire fa cility Customer Premises Central Site 97- 15296 T o connect two DSX-1-compatible units, configure the units as follows.
Worksheets A-3 7924-A2-GB20-30 October 1997 DSX-1-to-V .35 Configuration R oute r V .35 Un i t V .35 LAN Customer Premises DSX-1 DSX-1 Central Site C ross- ca mpus 2 - or 4 - wire fa cility 97- 15420 M ultiple xe r T o connect a V .35-compatible unit on the CP side and a DSX-1-compatible unit on the CO side, configure the units as follows.
Worksheets A-4 7924-A2-GB20-30 October 1997 Unframed Operation Some units do not support unframed operation. T o determine whether or not your DSX-1-compatible unit supports unframed operation when connected to a V .35-compatible unit, all three of the following conditions must be true: 1.
Worksheets A-5 7924-A2-GB20-30 October 1997 DSX-1-Compatible Units Configuration W orksheet Board Configuration Configuration Option Settings Default in Bold Card T ype CP , CO Loops Enabled Dual , Si.
B-1 7924-A2-GB20-30 October 1997 Cable Pin Assignments B T erminal Connection Cable Pin Assignments This section defines the pin assignments for the terminal cable from the front panel modular jack to your PC’s COM port. If your PC’s COM port requires a 9-pin D-shell connector , the cable must use the following pin assignments.
Cable Pin Assignments B-2 7924-A2-GB20-30 October 1997 If your PC’s COM port requires a 25-pin D-shell connector , the cable must use the following pin assignments.
Cable Pin Assignments B-3 7924-A2-GB20-30 October 1997 T1 Network Connection Cable Pin Assignments The modular connector that plugs into the rear panel of DSX-1-compatible units has the following pin assignments.
Cable Pin Assignments B-4 7924-A2-GB20-30 October 1997 V .35 Connection Cable Pin Assignments The connector that plugs into the rear panel of V .35-compatible units has the following pin assignments.
C-1 7924-A2-GB20-30 October 1997 Switchpacks and Jumpers C DSX-1-Compatible Units Use Figure C-1 to assist you in locating the switchpacks and jumpers on the board. The jumper and switchpack detailed in Figure C-1 are used to change configuration options.
Switchpacks and Jumpers C-2 7924-A2-GB20-30 October 1997 97-15379-02 P1 1 Switchpack S1 VT100 T erminal Modular Jack S1 HDSL Line Jack P9 P8 P12 P3 Jumper P1 1 Position 1 2 3 4, 5, 6 7, 8 Settings* OF.
Switchpacks and Jumpers C-3 7924-A2-GB20-30 October 1997 V .35-Compatible Units Use Figure C-2 to assist you in locating the switchpacks and jumpers on the board. The jumper and switchpacks detailed in Figure C-2 are used to change configuration options.
Switchpacks and Jumpers C-4 7924-A2-GB20-30 October 1997 97-15524-0 1 S1 S2 P8 V .35 Switchpack S1 Switchpack S2 Jumper P8 VT100 T erminal Modular Jack HDSL Line Jack P4 P1 P2 P10 P1 1 P9 P5 Position .
GL-1 7924-A2-GB20-30 October 1997 Glossary Alternate Mark Inversion coding format. Bipolar Violation. A type of error detected by using a modified bipolar signaling method in which a control code is inserted. Used with AMI coding format. Bipolar with eights and Zeroes Substitution.
Glossary GL-2 7924-A2-GB20-30 October 1997 Federal Communications Commission. Board of Commissioners that regulates all U.S. interstate, intrastate, and foreign electrical communication systems that originate from the United States. Far End Bit Error .
IN-1 7924-A2-GB20-30 October 1997 Index A AIS (alarm indication signal), 7-2, 7-3 AMI line encoding, 4-3 B B8ZS line encoding, 4-3 board layout DSX1 compatible unit, C-2 V .
Index IN-2 7924-A2-GB20-30 October 1997 J jumpers DSX-1 compatible unit, C-1 procedure for setting, 3-2 V .35 compatible unit, C-3 L LEDs, 6-6 DSX-1 compatible unit, 6-6 V .
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 Paradyne 7924 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 Paradyne 7924 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Paradyne 7924, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Paradyne 7924 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Paradyne 7924, 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 Paradyne 7924.
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 Paradyne 7924. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Paradyne 7924 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.
