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TCX1000-RDM20 Port Alarms and Probable Causes

 

Table 1 describes details the various port alarms the TCX1000-RDM20 can raise and their probable cause and location.

Table 1: TCX1000-RDM20 Port Alarms and Probable Causes and Locations

Port

Alarm

Description

Probable Cause/

Probable Location

Severity

ETH CRAFT

ethernet-link-down

Port Ethernet link status is down

Probable-cause-direction=bidirectional

Probable-cause-location=FAREND

Minor

Ethernet DCN 0

ethernet-link-down

Port Ethernet link status is down

Probable-cause-direction=bidirectional

Probable-cause-location=FAREND

Minor

Ethernet DCN 1

ethernet-link-down

Port Ethernet link status is down

Probable-cause-direction=bidirectional

Probable-cause-location=FAREND

Minor

Line Port

optical-los

Loss of input

Probable-cause-direction=rx

Probable-cause-location=FAREND

Major

Line Port

input-low-degrade

Input power degraded

Probable-cause-direction=rx

Probable-cause-location=FAREND

Minor

Line Port

optical-loo

Loss of Output

Probable-cause-direction=tx

Probable-cause-location=NEAREND

Major

Line Port

attenuation-unattainable

Output VOA cannot achieve target attenuation

Probable-cause-direction=rx

Probable-cause-location=FAREND

Major

Line Port

optical-return-los

Low Optical Return Loss on Output

Probable-cause-direction=bidirectional

Probable-cause-location=FAREND

Minor

OSC 0

optical-los

Loss of input at OSC In

Probable-cause-direction=rx

Probable-cause-location=FAREND

Minor

OSC 0

optical-loo

Loss of OSC at Line In

Probable-cause-direction=tx

Probable-cause-location=NEAREND

Minor

OSC 1

optical-los

Loss of input at OSC In

Probable-cause-direction=rx

Probable-cause-location=FAREND

Minor

OSC 1

optical-loo

Loss of OSC at Line In

Probable-cause-direction=tx

Probable-cause-location=NEAREND

Minor

OSC SFP

pluggable-missing

No SFP installed

Probable-cause-direction=bidirectional

Probable-cause-location=NEAREND

Major

OSC SFP

receiver-overload

SFP receiver overload

Probable-cause-direction=rx

Probable-cause-location=FAREND

Major

OSC SFP

pluggable-fail

SFP internal fault

Probable-cause-direction=bidirectional

Probable-cause-location=NEAREND

Major

OSC SFP

pluggable-comms-failure

I2C link to SFP failed

Probable-cause-direction=bidirectional

Probable-cause-location=NEAREND

Major

OSC SFP

ethernet-link-down

Ethernet link status is down

Probable-cause-direction=bidirectional

Probable-cause-location=FAREND

Major

OSC SFP

optical-los

Loss of input, Rx LOS

Probable-cause-direction=rx

Probable-cause-location=FAREND

Minor