RAD Data comm Modular Access Device with Integrated Router Manuel D’Utilisation

Chapter 6  Troubleshooting and Diagnostics 

FCD-IPM Installation and Operation Manual 

6-2 

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. 

See LAN indicators, VIEW --> INTERFACE CONNECTION and VIEW--> 
ROUTING TABLES --> IP ROUTING 

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. 

See WAN indicators, VIEW --> CONFIGURATION , VIEW --> INTERFACE 
CONNECTION and VIEW--> ROUTING TABLES --> IP ROUTING 

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.