Installation guide

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Cisco 10000 Series Routers Line Card Hardware Installation Guide

OL-6773-04

Chapter 18 Troubleshooting the Installation

Packet Over SONET Line Card Troubleshooting Information

Table 18-5 provides information on which symptom, possible cause, and corrective action apply to each

of the Packet Over SONET line cards.

Table 18-5 Packet Over SONET Line Card Troubleshooting Information

Symptom Possible Cause Corrective Action

OC-3/

STM-1

POS

OC-12

POS

OC-48/

STM-16

POS

The FAIL LED does not

light when the line card is

inserted into a slot. (The

power on the line card has

not turned on.)

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.

Defective line card. Replace the line card.

Chassis not powered on or PRE

not in chassis.

Check that the chassis power

supplies are turned on and that the

PRE is powered up.

The FAIL LED blinks at

the rate of 10 times per

second when the line card

is inserted into a slot.

(The line card has

detected a slot parity

error.)