Installation guide

18-21
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 18 Troubleshooting the Installation
Packet Over SONET Line Card Troubleshooting Information
The FAIL LED blinks at a
slower rate than 10 times
per second when the line
card is inserted into a slot.
The line card is experiencing an
error while trying to boot and is
either resetting itself or being
reset by the PRE.
The line card has been
recognized by Cisco IOS but is
experiencing an issue while
running functional code.
1. Be sure the ejector levers are
closed and the captive screws
tightened.
2. Carefully check both the line
card backplane connector and
chassis backplane connector for
bent or damaged pins. If the line
card has damaged pins, replace
the line card. If the backplane
connector has damaged pins,
replace the chassis or
temporarily move the line card
to another slot.
3. Remove the line card and put it
in another chassis slot.
4. Replace the line card.
YYY
The FAIL LED never
turns off after the line
card has been inserted.
(The line card is not
coming up out of reset.)
The line card is not properly
seated.
Be sure the ejector levers are closed
and the captive screws tightened.
YYY
Bad line card connector or bad
backplane connector.
1. Carefully check both the line
card backplane connector and
chassis backplane connector for
bent or damaged pins. If the line
card has damaged pins, replace
the line card. If the backplane
connector has damaged pins,
replace the chassis or
temporarily move the line card
to another slot.
2. Remove the line card and put it
in another chassis slot.
Cisco IOS is configured to hold
the card in reset.
Verify that the slot is not being held
in reset by the Cisco IOS
configuration.
Defective line card. Replace the line card.
Table 18-5 Packet Over SONET Line Card Troubleshooting Information (continued)
Symptom Possible Cause Corrective Action
OC-3/
STM-1
POS
OC-12
POS
OC-48/
STM-16
POS