Chapter 5 Troubleshooting the Uplink Cards

Troubleshooting the Uplink Cards Installation

Table 5-6

Keepalive Alarm Messages for All Uplink Cards

 

 

 

 

Alarm

 

Description

Solution

 

 

 

SRP1/1 Side A Keepalive

MAC failure is detected

Check transport span for problems.

Failure (MAC)

 

 

Typically SRP ring traverses a SONET

 

 

 

 

 

 

layer connection, creating this error.

 

 

 

SRP1/1 Side A Keepalive

SONET section loss of signal

Check fiber for breaks, power level, and

Failure (SLOS)

 

 

connectivity.

 

 

 

This is a SONET Layer 1 issue with fiber.

 

 

 

SRP1/1 Side A Keepalive

SONET section loss of frame

Check the fiber for degradation in (power

Failure (SLOF)

 

 

level) or clocking (internal versus line).

 

 

 

SRP1/1 Side A Keepalive

SONET line signal degrade

Check the affected fiber, transmit and

Failure (LSD)

 

 

receive ports. Check power level.

 

 

 

This is a SONET Layer 1 issue with

 

 

 

signal degrade.

 

 

 

SRP1/1 Side A Keepalive

SONET line signal degrade

Check the neighbor

Failure (LSD)

 

 

node/transport/regenerator for SONET

 

 

 

Layer 1 issues (LOS, LSF).

 

 

 

This is a SONET Layer 1 issue with an

 

 

 

intermediate unit (usually transport

 

 

 

connection or regenerator) forwarding an

 

 

 

AIS.

 

 

 

SRP1/1 Side A Keepalive

Keepalive failure removed;

None.

OK

 

Layer 2 Keepalive receiving

 

 

 

correctly

 

 

 

 

RPR-IEEE1/1 span

MAC failure is detected

Check transport span for problems.

WEST Keepalive

 

Typically RPR ring traverses a SONET

Failure (MAC)

 

 

 

 

layer connection, creating this error.

 

 

 

 

 

 

RPR-IEEE1/1 span

SONET section loss of signal

Check fiber for breaks, power level, and

WEST Keepalive Failure

 

connectivity.

(SLOS)

 

 

This is a SONET Layer 1 issue with fiber.

 

 

 

 

 

 

RPR-IEEE1/1 span

SONET section loss of frame

Check the fiber for degredation in (power

WEST Keepalive

 

level) or clocking (interval versus line).

Failure (SLOF)

 

 

 

 

 

 

RPR-IEEE1/1 span

SONET line signal degrade

Check the affected fiber transmit (TX)

WEST Keepalive

 

and receive (RX) ports. Check the power

Failure (LSD)

 

 

level.

 

 

 

This is a SONET Layer 1 issue with

 

 

 

signal degradation.

 

 

 

 

 

 

Book Title

 

 

 

 

 

 

78-13113-06 B0

 

 

5-7

 

 

 

 

 

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Cisco Systems CISCO10720 manual Alarm Description Solution, Ais

CISCO10720 specifications

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