ADC Release 3.1 user manual Loss Of Signal. Cannot locate

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1152700 Issue 1 February 2001Section 2 Operation and Maintenance

DLP-796

Page 2 of 3

Table 796-1. 622 CRS Card Status Definitions

ITEM

Operational State

Availability State

STATUS

Up

Down

Unknown

Available

In Test

Failed

PowerOff

Not Installed

Offline

Dependency

Unknown

DEFINITION

Card is installed and provisioned for service.

Card is not provisioned for service, is in reset mode, or failed.

The shelf controller does not currently know the operational status.

Card is ready for processing commands.

Card is currently processing test signals.

Card has failed operation and system has placed it out of service.

Card is manually powered off.

Card is not currently installed in selected slot of the shelf.

Card is installed and provisioned but currently off line.

Card is supplying timing reference, traffic, or other data to the system.

The shelf controller does not currently know the availability status.

ACTION

No action required.

Verify card is installed,

check for failure indications or provision card for service per DLP-797.

Wait a few seconds for operations to complete and update the screen.

No action required.

Wait a few seconds for screen to update.

Card may be performing a reset, or the bus may be busy.

Check power source, replace card if source is good per DLP-777.

If required, install card in selected slot per DLP-777and provision per DLP-797.

If required, set module on line (unlocked) per DLP-797.

Perform a soft switch over (manual) per DLP-771 to release card dependency if removing.

Wait for processor to update current status, may need to perform a manual reset of SC per DLP-773.

Section Status

Line Status

Path Status

No Alarm

No errors between local and next

 

node.

LOS

Loss Of Signal. Cannot locate

 

section data.

LOF

Loss Of Frame. Cannot locate

 

frame bit of section data.

No Alarm

Receiving good input signal.

AIS

Alarm Indication Signal. All 1s

 

or blue signal inserted at

 

originating node.

RDI

Remote Defect Indicator.

No Alarm

Receiving good input signal.

STS LOP

STS signal Loss Of Pointer.

 

 

No action required.

Check connectors, fiber, and then transmitter at remote end.

Check signal configuration and power level of received signal.

No action required.

Check signal status at traversing nodes, and low speed signal input at transmitting node.

Problem at transmitting end.

No action required.

Check sync reference sources and inputs.

(continued)

Page 2-435

© 2000, ADC Telecommunications, Inc.

Page 455
Image 455
ADC Release 3.1 user manual Loss Of Signal. Cannot locate