User's Manual
Table Of Contents
- Contents
- About This Guide
- About the FrameSaver DSL Unit
- User Interface and Basic Operation
- Configuration Procedures
- Configuration Options
- Overview
- Using the Easy Install Feature
- Setting Up So the Router Can Receive RIP
- Entering System Information and Setting the System Clock
- Configuration Option Tables
- Configuring the Overall System
- Configuring the Physical Interfaces
- Configuring Frame Relay for the Data Port
- Configuring ATM for the Network Interface
- Configuring Circuit and DLCI Records
- Configuring PVC Connections
- Setting Up Management and Communication Options
- Configuring Node IP Information
- Configuring Management PVCs
- Configuring General SNMP Management
- Configuring Telnet and/or FTP Session Support
- Configuring SNMP NMS Security
- Configuring SNMP Traps
- Configuring the Ethernet Port
- Configuring the Communication Port
- Configuring the COM Port to Support an External Modem
- Security and Logins
- Operation and Maintenance
- FTP Operation
- Troubleshooting
- Setting Up OpenLane for FrameSaver Devices
- Setting Up Network Health for FrameSaver Devices
- Menu Hierarchy
- SNMP MIBs and Traps, and RMON Alarm Defaults
- Connectors, Cables, and Pin Assignments
- Technical Specifications
- Equipment List
- Index

Troubleshooting
8-21
9783-A2-GB20-00
July 2000
DTE Loopback
The local DTE external Loopback (DTLB) test loops the received signal on the
DTE interface back to the DTE without affecting the operation of the remaining
ports. Use this test to isolate problems on the user data port.
Main Menu
→
Test
→
Data Port Physical Tests
An attached device or test equipment must generate the data to be looped back.
99-16284
Network
Port
User
Data
Port
DTLB
CAUTION:
This test may affect the operation of the frame relay PVCs assigned
to the port. Any IP data being sent while this test is active will be
disrupted.