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Paradyne 3163 Starting a Line Loopback, Starting a Payload Loopback

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ACCULINK 3163 DSU/CSU

4-12 March 1999 3163-A2-GB20-10

Starting a Line Loopback

The Line Loopback command (LLB) loops the

received signal on the network interface back to the

network without change.

98-15946

CSUDSU

NETWORK

INTERFACE

ALL 1s

LLB

PORT 1

"Procedure

To perform a Line loopback:

1. From the top-level menu screen, select Test.

2. From the Test screen, select Lpbk.

F1

Test:

Rlpbk Lpbk Ptrns

F2 F3

3. From the Loopback screen, select LLB.

F1

Loopback:

Abort LLB PLB

F2 F3

Test Started appears on Line 2. If a line loopback

is already in progress, the Already Active

message appears. If an invalid combination of

loopbacks is in progress, the error message Invld

Test Combo appears (see Table 4-5 for valid

loopback test combinations).

Starting a Payload Loopback

The Payload Loopback command (PLB) loops the

received signal on the network interface back to the

network after it has passed through the framing circuitry

of the DSU/CSU. Framing CRCs and BPVs are corrected.

98-15947

CSUDSU

NETWORK

INTERFACE

ALL 1s

PLB

PORT 1

"Procedure

To perform a Payload loopback:

1. From the top-level menu screen, select Test.

2. From the Test screen, select Lpbk.

F1

Test:

Rlpbk Lpbk Ptrns

F2 F3

3. From the Loopback screen, select PLB.

F1

Loopback:

Abort LLB PLB

F2 F3

Test Started appears on Line 2. If a Payload

loopback is already in progress, the Already

Active message appears. If an invalid combination

of loopbacks is in progress, the error message

Invld Test Combo appears (see Table 4-5 for

valid loopback test combinations).

Contents

Main ACCULINK 3163 DSU/CSU Warranty, Sales, Service, and Training Information Trademarks Document Feedback !Important Safety Instructions !Warnings Page Page Table of Contents Preface 1. Introduction 2. Installation 3. Operation 4. Monitoring and Testing Appendices Glossary Index Preface Document Summary Section Description Related Documents Reference Documents Introduction Features Alarm Message Capability Front Panel Emulation Integral Modem Asynchronous Terminal Interface Support Telnet Access Physical Description Model 3163 DSU/CSU Front Panel Model 3163 DSU/CSU Rear Panel Installation Application Examples NETWORK Figure 2-1. Point-to-Point Application Example FRACTIONAL NETWORK Figure 2-2. Fractional T1 Application Example Important Instructions Optional Power Sources Installing the +24 Vdc Power Supply Installing the Single 48 Vdc Power Supply Installing the Redundant 48 Vdc Power Supply Cabling Examples The DSU/CSU is supplied with an ac power module and a VF cable for the integral modem. Figure 2-6. Cabling Examples PSTN T1 Network Power-Up Self-Test Page Operation Using the Front Panel Front Panel Emulation LCD Keypad Test Jacks LEDs Table 3-1 System LEDs Table 3-2 Network Interface LEDs Table 3-3 Data Port LEDs Displaying Unit Identity xxxxxxx xxxx Setting Customer Identification Displaying LED Conditions Changing Configuration Displaying/Editing Configuration Options Saving Edit Changes Configuring the DSU/CSU for Telnet Access Selecting the Port Setting the IP Address Selecting the Link Layer Protocol Configuring DS0 Channels Displaying DS0 Channel Assignments Allocating Data Ports Block or ACAMI Assignment Method Individual Channel Assignment Method Clearing DS0 Channel Allocation Selecting the Timing Source Configuring for Network Timing Establishing Access Security on a Port Setting a Password Entering a Password to Gain Access Acquiring/Releasing the User Interface Acquiring the Active User Interface User I/F Releasing the Active User Interface Enabling/Disabling the Front Panel Using the Integral Modem Entering Numbers in the Phone Directories Page Initiating a Call for Front Panel Pass-Through Operation Configuration Options), Initiating a Call for PC or ASCII Terminal/Printer Operation Disconnecting the Modem Connection Resetting the DSU/CSU Download Operations User Interface Access Security Changing User Interface Access Security Page Monitoring and Testing Self-Test Health Device Health and Status Table 4-2 Health and Status Messages Message Description xxxxxxxx Performance Reports xx,xxx Page Table 4-3 Performance Registers Register Totals DescriptionInterval Description Alarms Troubleshooting Table 4-4 Troubleshooting Symptom SolutionsPossible Cause Test Jacks Test Commands Remote Loopback Tests Sending a Line Loopback Up or Down Sending a V.54/ANSI FT1 Activation/Deactivation Local Loopback Tests Starting a Line Loopback CSUDSU Starting a Payload Loopback Starting a Repeater Loopback Starting a Data Channel Loopback CSUDSU Starting a Data Terminal Loopback Aborting Loopbacks Test Patterns Sending Test Patterns Name Name and Dest Monitoring Test Patterns Name Aborting Test Patterns Send or Mon Lamp Test Starting a Lamp Test Aborting a Lamp Test Displaying DSU/CSU Test Status Page A Front Panel Menu Page B Technical Specifications The technical specifications for the DSU/CSUs are listed in Table B-1. Table B-1 Models 3163 DSU/CSU Technical Specifications Specifications Criteria Table B-1 Models 3163 DSU/CSU Technical Specifications Specifications Criteria C Configuration Options Network Interface Table C-1 Network Interface Configuration Options Table C-1 Network Interface Configuration Options Sync Data Port Configuration Table C-2 (1 of 3) Sync Data Port Configuration Options Table C-2 (2 of 3) Sync Data Port Configuration Options Page Cross Connect Table C-3 Sync Data Port Assignment Options OR Table C-3 Sync Data Port Assignment Options nn Channel Configuration Table C-4 Data Port Channel Configuration Options OR Table C-4 Data Port Channel Configuration Options General Configuration Options Table C-5 General Configuration Options User Interface (1 of 5) (2 of 5) (3 of 5) (4 of 5) (5 of 5) Alarm Configuration Options Table C-7 Alarm Configuration Options Table C-7 Alarm Configuration Options Management Configuration (1 of 3) (2 of 3) (3 of 3) Configuration Worksheets Channel Options Options Value (Default in Bold) General User Options Value (Default in Bold) Alarm General Mgmt D Pin Assignments T1 Network Interface Page MODEM Port Interface COM Port Interface Page EIA-530-A Port Interface Connector EIA-530-A-to-RS449 Adapter The EIA-530-A-to-RS449 adapter (Figure D-6) provides the RS449 interface shown in Table D-5. Figure D-6. EIA-530-A-to-RS449 Adapter Table D-5 RS449 Cable Interface Signal Circuit Mnemonic CCITT Number Direction Pin EIA-530-A-to-V.35 Adapter The EIA-530-A-to-V.35 adapter (Figure D-7) provides the V.35 interface shown in Table D-6. Figure D-7. EIA-530-A-to-V.35 Adapter Table D-6 V.35 Cable Interface Signal CCITT Number Direction Pin EIA-530-A-to-X.21 Adapter The EIA-530-A-to-X.21 adapter (Figure D-8) provides the X.21 interface shown in Table D-7. Figure D-8. EIA-530-A-to-X.21 Adapter Page Serial Crossover Cable Figure D-9. Serial Crossover Cable Power Connector Optional DC Power Cable E IP Network Addressing Scenarios Scenario 1 Scenario 2 Scenario 3 Scenario 4 Figure E-4. Local Carrier Connected to Remote Carriers an Alternative 135.19.6.1 . . . . 135.19.6.16 135.19.20.1 . . . . 135.19.20.16 135.19.1.1 . . . . 135.19.1.16 Scenario 5 F Front Panel Emulation Installing Front Panel Emulation Software Starting Front Panel Emulation Displaying LED Conditions Operation Asynchronous Terminal Interface Operation G Before Using the Asynchronous Terminal Interface Restoring ATI Access Initiating an ATI Session Ending an ATI Session Menu Organization Figure G-2. Menu Organization Figure G-2 shows the organization of the ATI menu tree. Using ATI Screens Setting Customer Identification Displaying LED Conditions Changing Configuration Displaying or Editing Configuration Options Page Saving Edit Changes Establishing Access Security on a Port Setting a Password Entering a Password to Gain Access Configuration Worksheets for the ATI Page Page Page Management and Communication: Communication Protocol Options Front Panel Equivalent Value (Default in Bold) Page H Equipment List Equipment Feature Number Page Glossary Page Page Page Page Page Page Page Index A B C D E F G I L M N O P Q R S T U V W X Y