Model 7112 T1 DSU/CSU
Copyright 1998 Paradyne Corporation All rights reserved
Contents
Configuring the DSU/CSU
Monitoring the DSU/CSU
Messages and Troubleshooting
MIB Descriptions
Technical Specifications Glossary Index
About This Guide
Document Purpose and Intended Audience
Document Summary
Product-Related Documents
About the T1 DSU/CSU
Model 7112 T1 DSU/CSU Features
Typical Configuration through a T1 network
Typical DSU/CSU Configurations
User Interface Types
Front Panel LED Status Indicators
Snmp Management Capabilities
Rear Panel Interface Connections
Management Information Base MIB Support
Network
Using the Ascii Terminal Interface ATI
Accessing the ATI
Connecting to the Terminal Port
Select
Initiating an ATI Session
Screen Format Types
Screen Work Areas
What Affects Screen Displays
Use the screen format
Navigating
Status Test Configuration Control
Keyboard Keys
Press
Procedure
Screen Function Keys
Switching Between Screen Work Areas
For the screen Select Press Enter to Function
Example
Ending an ATI Session
Using the Ascii Terminal Interface ATI
Configuring the DSU/CSU
Entering Device and System Information
Main Menu → Control → Device
Configuring the DSU/CSU
Configuration Option Areas
Configuration Option Area Configuration Option Set
Saving Configuration Options
Accessing and Displaying Configuration Options
Main Menu → Configuration Load Configuration From
If you select Then
Cross Connect Assignments
Assigning DS0 Channels to the Data Port
Displaying DS0 Channel Assignments
Using the Block or Acami Assignment Method
Clearing DS0 Channel Assignments
Using the Individual Channel Assignment Method
Overview
Security
Creating a Login
Main Menu → Control → Administer Logins
On the Administer Enter Logins screen, for
Resetting the DSU/CSUs COM Port or Factory Defaults
Deleting a Login
If entering yes to prompt Then
ATI Access
Effective Access Levels ATI Access to Menu Functions
Effective Access Level
Controlling Snmp Access
Assigning Snmp Community Names and Access Levels
Connection Failed
Limiting Snmp Access through the IP Addresses
Security
IP Addressing
IP Addressing
IP Addressing Examples
Local Addressing Only No FDL
Subnet
NMS a NMS B
FDL Connection ± Extending Subnet for FDL
LAN a
FDL Connection ± Unique FDL Subnet
Assigning IP Addresses and Subnet Masks
If using Then assign
IP Addressing
What to Monitor
Monitoring the DSU/CSU
Main Menu → Status → Display LEDs
DSU/CSU LEDs
Fail
System LEDs
Alarm
SIG ± Network Signal
EER ± Excessive Error Rate
Network LEDs
Port LEDs
Status Screen Commands
System and Test Status
Main Menu → Status → System and Test Status
Yyyyyyyy
Health and Status Messages
Xxxxxxxx
Self-Test Results
Test Status Messages Meaning
Test Status Messages
Cross Connect Status
Main Menu → Status → Cross Connect Status
Network Time Slot Fields top Indicate
Main Menu → Status → Network Performance Statistics
Network Performance Statistics
Interval Table
Summary Information
Worst Interval
Ethernet Port Status
Hour Totals
Main Menu → Status → Ethernet Port Status
Main Menu → Status → Management Protocol Statistics
Management Protocol Statistics
March
Testing
Detecting Problems
Status Specific Trap Screen
Main Menu → Test
Accessing the Test Menu
Main Menu → Test → Network Tests
Running Network Tests
Payload Loopback
Line Loopback
Repeater Loopback
Test Patterns for the Network
Remote Send Line Loopback
Main Menu → Test → Data Port Tests
Running Data Port Tests
CSU DSU
Data Terminal Loopback
Data Channel Loopback
Send V.54 Up/Down Sequences
Test Patterns for the DTE
Send FT1 Up/Down Sequences
Ending an Active Test
Lamp Test
Messages and Troubleshooting
Configuring Snmp Traps
Snmp Traps
Device Messages 1 What Message Indicates What To Do
Device Messages
Device Messages 2 What Message Indicates What To Do
Troubleshooting 1 Symptom Possible Cause Solutions
Troubleshooting
Troubleshooting 2 Symptom Possible Cause Solutions
Messages and Troubleshooting
Select To Access To Configure
Configuration Option Tables
System Options Menu
Test Timeout
Table A-1. System Options
Self Test
Table A-2. Network Interface Options 1
Network Interface Options Menu
Line Framing Format
Line Coding Format
Line Build Out LBO Possible Settings 0.0, ±7.5, ±15, ±22.5
Bit Stuffing Possible Settings 62411, Part68, Disable
Table A-2. Network Interface Options 2
FDL Management Link
Table A-2. Network Interface Options 3
Network Initiated Line Loopback LLB
Network Initiated Payload Loopback PLB
Table A-2. Network Interface Options 4
Ansi Performance Report Messages
Circuit Identifier
Cross Connect Assignments
Assign By Available Settings Block, ACAMI, Channel
Table A-3. Cross Connect Assignments
Synchronous Data Port Assignments
Table A-4. Data Port Options 1
Data Port Options Menu
Port Base Rate
Invert Transmit Clock
Action on Network Yellow Alarm
Table A-4. Data Port Options 2
Invert Transmit and Received Data
Table A-4. Data Port Options 3
Port Use Possible Settings 802.3, Version 2, Disable
Ethernet Port Options Menu
Table A-5. Ethernet Port Options 1
Table A-5. Ethernet Port Options 2
Terminal Port Options
Table A-6. Terminal Port Options 1
Character Length
Port Access Level Possible Settings Level 1, Level 2, Level
Login Required
Table A-6. Terminal Port Options 2
Stop Bits
Telnet Session Options
Table A-6. Terminal Port Options 3
Table A-7. Telnet Session Options 1
Table A-7. Telnet Session Options 2
Snmp Menu
General Snmp Management Options
Table A-8. General Snmp Management Options 1
Snmp NMS Security Options
Name 2 Access
Table A-8. General Snmp Management Options 2
Table A-9. Snmp NMS Security Options 1
Table A-9. Snmp NMS Security Options 2
Access Level
Table A-10. Snmp Traps Options 1
Snmp Traps Options
Snmp Traps
Number of Trap Managers
Table A-10. Snmp Traps Options 2
Link Traps Possible Settings Disable, Up, Down, Both
Enterprise Specific Traps
Link Trap Interfaces
Configuration Option Settings default in Bold
Configuration Worksheets
Enable, Disable
Worksheets
Disable, Enable
ESF, D4
Blank
Internal, External
Nx64, Nx56
Ethernet Port
Configuration Option Settings
Snmp NMS Security
Snmp
Worksheets
MIB II ± RFC 1213 and RFC
MIB Descriptions
System Group
SysDescr system
SysName system
Physical 1 ± Layer
Interfaces Group
Datalink/subnetwork
Internet 4 ± Layer
EthernetCsmacd6 ± Used for
Version Hardware Revision º
Up1
Testing3 state
IfInErrors ifEntry
IfInOctets ifEntry
Extension to Interface Table ifXTable
IfName ifXEntry
IfXEntry
Interface Stack Group
IfStackEntry1
IfStackEntry2
Interface Test Table
Generic Receive Address Table
IP Group
Exist. The following objects must
Invalid
Be specified
On next
TCP Group
Icmp Group
UDP Group
Do not specify the following
Transmission Group
Snmp Group
Table C-6. Transmission Group Objects Description
Transmission
Dsx1ConfigEntry
DS1 Near End Group Configuration Table Objects
DS1/E1 ± RFC
Dsx1ESF2 ± Indicates
Dsx1B8ZS2 ± Indicates
Dsx1SendResetCode4 ±
Dsx1AMI5 ± Indicates
Dsx1SendNoCode1 ±
Dsx1LossOfSignal64 ±
Dsx1NoAlarm1 ± No
Dsx1NoLoop1 ± The T1
Dsx1PayloadLoop2 ±
LocalTiming2 ±
LoopTiming1 ±
ThroughTiming3 ±
Dsx1other1 ± Snmp
Dsx1CurrentEntry
DS1 Near End Group Current Table Objects
DS1 Near End Group Interval Table Objects
Dsx1IntervalEntry
Dsx1IntervalEntry10
Dsx1TotalEntry
DS1 Near End Group Total Table Objects
RS-232-Like MIB ± RFC
Ethernet-Like MIB ± RFC
DS1 Fractional Group
Number of RS-232-Like Ports Object
Rs232PortEntry
Disabled2 ± Does not
Asynchronous Port Table Objects
Rs232AsyncPortEntry
Rs232SyncPortEntry
Synchronous Port Table Objects
Rs232InSigEntry
Input Signal Table Objects
Rs232OutSigEntry
Output Signal Table Objects
Generic Interface Test Table Objects
Generic Interface Extension MIB ± RFC
IfExtnsTestEntry
TestMon Qrss wellKnownTests
± Starts a Monitor 511 test on the interface
InSyncWithBitErrors
InSyncNoBitErrors
InProgress3 ± Test is
NotSupported4 ± Requested
Enterprise MIB Object
Device Configuration Variable pdn-common
Device Security, pdn-security pdn-common
Device Traps, pdn-traps pdn-common
MIB Descriptions
Trap warmStart
Standards Compliance for Snmp Traps
Trap authentificationFailure
Snmp Trap Description Possible Cause
Traps linkUp and linkDown
Interface LinkUp/Down Variable-Bindings Possible Cause
Trap What It Indicates Possible Cause
Traps enterpriseSpecific
Page
Standards Compliance for Snmp Traps
Cabling Overview
Cables and Pin Assignments
Modular RJ48C-to-CA81A T1 Network Interface Cable
Modular RJ48C-to-RJ48C T1 Network Interface Cable
10BaseT Connector
Terminal Port EIA-232 Connector
Signal Direction Pin #
Use Pin #
Pin
Serial Crossover Cable
DTE V.35 Connector
Signal
Direction Pin Socket Connector
Cables and Pin Assignments
Model 7112 DSU/CSU Technical Specifications 1
Technical Specifications
Model 7112 DSU/CSU Technical Specifications 2
Glossary
Default
Configuration option
Digital signal
Channel allocation
EIA-232
Factory defaults
Enterprise MIB
Enterprise-specific
Loopback
Reset
Manager Snmp
Multiplexing
Self-test
RS-232
Subnet
Subnet address
Yellow Alarm
In-8 pattern
Pattern
Numbers
Index
IN-2
IN-3
IN-4