Troubleshooting Port Adapters; Troubleshooting The Cisco Cable Clock Card (Cisco Ubr7246Vxr Only) - Cisco 7246 - uBR Router Hardware Installation Manual

Processor Subsystem

Troubleshooting Port Adapters

Check the following to help isolate a problem with the port adapters:
Verify that all port adapter enabled LEDs are on.
Step 1
a.
Check to see if any port adapter enabled LEDs are off.
Step 2
a.
b.
If the port adapter enabled LED remains off, the system detected a processor hardware failure. This LED
Step 3
should be on in normal operation. Contact Cisco TAC for instructions.
Ensure that the hardware revision of the port adapter in question is supported by your particular
Step 4
Cisco uBR7200 series router chassis.
a.
b.
c.

Troubleshooting the Cisco Cable Clock Card (Cisco uBR7246VXR Only)

Check the following to help isolate a problem with the clock card:
Verify that the cable clock card enable LED is on.
Step 1
a.
Step 2 Check to see if the cable clock card enable LED is off.
a.
b.
c.
d.
e.
If the enable LED remains off, the system has detected a processor hardware failure. This LED should
Step 3
be on in normal operation. Contact Cisco TAC for instructions.
Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide
6-8
If yes, the port adapter is operational.
If the enabled LED on an individual port adapter is off, suspect that the port adapter has pulled away
from the midplane.
Reseat the port adapter in its slot. (You do not have to turn off the system power when removing or
replacing port adapters.) After the system reinitializes the interfaces, the enabled LED on the port
adapter should come on.
Use the show diag command to determine the type of port adapter that is installed in your router.
Consult the port adapter support matrix in the Cisco uBR7200 Series Software Configuration Guide
at the following URL:
http://www.cisco.com/en/US/docs/cable/cmts/ubr7200/configuration/guide/cr72scg.html
If the router does not respond to the console input, contact Cisco TAC for instructions.
If yes, the cable clock card is operational.
If the enable LED on the cable clock card is off, suspect that the cable clock card has pulled away
from the midplane.
Power off the router.
Reseat the cable clock card in its slot.
Power the router back on.
After the system reinitializes, the enable LED on the cable clock card should come on.
Chapter 6 Troubleshooting
OL-5421-03