User's Manual
Table Of Contents
- Front Matter
- Quick Start Guide
- Contents
- Chapter 1 Introduction
- Chapter 2 Installation and Setup
- Chapter 3 Operation
- Chapter 4 Configuration
- Chapter 5 Setup Menu
- Chapter 6 Troubleshooting and Diagnostics
- Appendix A Interface Specifications and Cable Diagrams
- Appendix B Boot Manager
- Appendix C SNMP Management
- Appendix D Glossary
- DC Power Supply Connection
- Customer Response Form
Chapter 6 Troubleshooting and Diagnostics FCD-IPM Installation and Operation Manual
6-2 Router Connections Troubleshooting
6.3 Router Connections Troubleshooting
The IP router can be connected to other IP networks by the LAN and WAN.
Operating the PING terminal sending PING frames to IP HOST indicates the
availability of the connection in IP level. When the PING terminal gets responds
continuously from the IP HOST the IP connection is UP.
IP connection to LAN is DOWN
See LAN indicators, VIEW --> INTERFACE CONNECTION and VIEW-->
ROUTING TABLES --> IP ROUTING
Table 6-3. Router Connections Troubleshooting
Trouble symptoms Possible cause Recommended Course of Action
LAN error indication ON
permanently
1. LAN status is DISABLE Check VIEW interface connection
status.
2. Problem with LAN cable or
HUB
Check LAN cable and HUB.
LAN error indication is blinking Problem with LAN cable or
HUB
Check LAN cable and HUB.
Physical connection OK but no
IP connection
IP configuration problem Look for mistakes in IP routing table,
HOST IP addresses, default gateway.
IP Connection to WAN is DOWN
See WAN indicators, VIEW --> CONFIGURATION , VIEW --> INTERFACE
CONNECTION and VIEW--> ROUTING TABLES --> IP ROUTING
Table 6-4. IP Connection to WAN Troubleshooting
Trouble symptoms Possible cause Recommended Course of Action
WAN error indication ON
permanently or connection
status shows “sync not obtain”
1. In synchronous link –
receive clock (RCLK) is 0 kbps
Check VIEW configuration – baud
rate 0 kbps indicates line physical
problem.
2. WAN Line physical
Problem.
Check WAN cable and modem.
WAN error indication ON
permanently or connection
status shows “sync not obtain”
WAN Line physical Problem Check WAN cable and modem.
E1/T1 alarm indicators ON or
blinking or connection status
shows E1/T1 alarms
E1/T1 physical problem See E1/T1 troubleshooting.
For PPP: connection status
shows “sync not obtain”
There is physical connection
but no PPP connection
Check if the unit opposite is ON.
Check PPP configuration of FCD-IPM
and the unit opposite.