Paradyne
manual
Model 7510 DSU
Troubleshooting
Specs
Alarm
Factory defaults
Configuration Option Tables
Resetting the DSU
Accessing the Test Menu
User Data Port Connector
Test Timeout
OOS ± Out of Service
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MODEL 7510 DSU
USER'S GUIDE
Document No.
7510-A2-GB20-10
November 1997
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Contents
Model 7510 DSU
Copyright 1997 Paradyne Corporation All rights reserved
Contents
Monitoring the DSU
Index
Configuration Option Tables
Document Purpose and Intended Audience
About This Guide
Document Summary
Model 7510 DSU Startup Instructions
Product-Related Documents
About the DSU
Model 7510 DSU Features
Frame
Typical DSU Configurations
Router Relay Network
Rear Panel Interfaces
User Interfaces
Modem
Terminal
Connecting to the Terminal Port
Using the Asynchronous Terminal Interface
Select
Initiating an ATI Session
Main Menu
Screen Format Types
Status Test Configuration Control Load From
What Affects Screen Displays
Use the screen format
Menu Path
Screen Work Areas
Keyboard Keys
Navigating the Screens
Press
For the screen Select Press Return to Function
Screen Function Keys
Example
Switching to the Screen Function Key Area
Ending an ATI Session
Identifying the Device and System
Customizing the DSU
Main Menu → Control → Device Name
Device Name
If you select Then
Saving Configuration Options
Configuration Option Areas
Configuring the DSU
Accessing and Displaying Configuration Options
Configuration Option Area Configuration Option Set
What to Monitor
Monitoring the DSU
Main Menu → Status → System and Test Status
Viewing System and Test Status
System and Test Status Health and Status SELF-TEST Results
Hhhmmss
Health and Status
Self-Test Results Messages What Message Indicates What To Do
Self-Test Results
Test Status Messages Meaning
Test Status Messages
Main Menu → Status → Network Interface Status
Viewing Network Interface Status
Network Performance Statistics
Viewing Network Performance Statistics
Monitoring the LEDs
Alarm Test DM OOS OOF NS TXD RXD RTS CTS DTR
Main Menu → Status → Display LEDs
Display Leds System Network
System LEDs
Alarm
OOS ± Out of Service
DM ± Data Mode
NS ± No Signal
Network LEDs
Port LEDs
Accessing the Test Menu
Testing
Main Menu → Test
Test
Table A- 2, Network Interface Options
Device Messages Loopback Type Initiated By
Main Menu → Test → Network Tests
Running Network Tests
Network Tests
CSU or External Network Loopback
Send V.54 Up/Down Sequences
DSU or Internal Network Loopback
Test Pattern for the Network
Main Menu → Test → Data Port Tests
Running Data Port Tests
Data Port Tests
Test Pattern for the DTE
Local Loopback
Main Menu → Test → Lamp Test
Running the Lamp Test
Ending an Active Test
Messages and Troubleshooting
Messages and Troubleshooting
Responding to Device Messages
Device Messages 1 What Message Indicates What To Do
Device Messages 2 What Message Indicates What To Do
Troubleshooting 1 Symptom Possible Cause Solutions
Troubleshooting
Troubleshooting 2 Symptom Possible Cause Solutions
Resetting the DSU
Main Menu → Control → Reset Device
Displaying DSU Identity Information
Select To Access To Configure
Configuration Option Tables
Overview
Status Load Edit/Display Test
Lads Timing Possible Settings Internal, External, Receive
Operating Mode
System Options Menu
Table A-1. System Options 1
Table A-1. System Options 2
Test Timeout
Lads Line Rate Kbps
Test Duration min
Table A-2. Network Interface Options
Network Interface Options Menu
Network-initiated DSU Loopback 64K CC
Data Scrambling 64K CC
Table A-3. Data Port Options 1
Data Port Options Menu
Invert Transmit Clock
Bilateral Loopback
Carrier Control by RTS
Table A-3. Data Port Options 2
Rlsd Control
Terminal Port Options
Inactivity Timeout
Table A-3. Data Port Options 3
Table A-4. Terminal Port Options 1
Disconnect Timeminutes
Table A-4. Terminal Port Options 2
Configuration Option Settings
Configuration Worksheets
Worksheets
Network Interface
Cables and Pin Assignments
Signal Direction Pin #
Terminal Port EIA-232 Connector
Signal
User Data Port Connector
Number Direction Pin Socket Connector
Pin
Standard EIA-232-D Crossover Cable
Modular RJ48S DDS Network Interface Cable
LAN Adapter Converter and Cable
RJ48S DDS Network Interface Cable Functions Circuit Pin #
Cable Plug to Modular Jack LAN Adapter
Table D-1. Model 7510 DSU Technical Specifications 1
Technical Specifications
Network Interface
Table D-1. Model 7510 DSU Technical Specifications 2
Network Compatibility
DTE Data Port Interface
Glossary
EIA-232
Factory defaults
Excessive BPV
Frame relay
Multiplexing
Reset
Node
Non-latching
Numbers
Index
IN-2
IN-3
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