Troubleshooting
Interpreting LED Error Patterns
Table
LEDs on Router Module’s Cover Plate |
| ||||
|
|
|
|
|
|
Router | Router | Hub | WAN | SNMP | Diagnostic Tips |
Fault | (LAN) | Net Fail | Mgt |
| |
|
| Net Fail |
| Fault |
|
|
|
|
|
|
|
ON | ON | * | * | OFF | Refer to “Router |
|
|
|
|
|
|
ON | OFF | OFF | OFF | * | Refer to “Router |
|
|
|
|
|
|
* | ON | ON | * | OFF | Replace the router module. |
|
|
|
|
|
|
ON | ON | * | * | ON | The SNMP module is faulty and/or its firmware code has become |
|
|
|
|
| corrupted. Firmware corruption is frequently the result of a failure |
|
|
|
|
| during downloading of new code into the SNMP module. |
|
|
|
|
| If this error occurs after downloading new code, repeat the |
|
|
|
|
| download process. If not, or if the error persists after repeating the |
|
|
|
|
| download process, replace the SNMP module. |
|
|
|
|
|
|
OFF | OFF | OFF | ON | * | Port failure detected. |
|
|
|
|
| 1. Make sure that the proper WAN cable is properly connected to the |
|
|
|
|
| router module and to the network. (Refer to “Connect the WAN |
|
|
|
|
| Cable”, page |
|
|
|
|
| 2. If the error persists, make sure the WAN is specified correctly in |
|
|
|
|
| the configuration. (Refer to “Create or Modify a Router |
|
|
|
|
| Configuration”, page |
|
|
|
|
| 3. If the error still persists, check for a fault in the network equipment |
|
|
|
|
| or links. |
|
|
|
|
| 4. If the error still persists, replace the WAN cable. |
|
|
|
|
| 5. If the error still persists, replace the router module. |
|
|
|
|
|
|
*This LED is not important for the diagnosis. |
|
| |||
|
|
|
|
|
|