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TCX1000-RDM20 Internal Amplifier Alarms and Probable Causes

 

Table 1 describes the TCX1000-RDM20 amplifier (booster and preamplifier) alarms and their probable causes and location.

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

Entity

Alarm

Description

Probable Cause/

Probable Location

Severity

booster

amp-gain-not-achieved

Amplifier cannot achieve gain target

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Major

booster

amp-operating-outside-mask

Amplifier operating outside the mask

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Minor

booster

optical-loo

Loss of output

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Critical

booster

input-overload

Input power overload

Probable-cause-direction="rx"

Probable-cause-location="FAREND"

Minor

booster

input-low-degrade

Input power degraded

Probable-cause-direction="rx"

Probable-cause-location="FAREND"

Minor

booster

optical-los

Loss of input

Probable-cause-direction="rx"

Probable-cause-location="FAREND"

Major

booster

auto-power-reduction

Automatic output power reduction active due to high return loss or forced APR

Probable-cause-direction="rx"

Probable-cause-location="NEAREND"

Major

booster

automatic-shutdown

Automatic shutdown due to detected line break

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Major

booster

laser-safety-disabled

Automatic Line Shutdown system disabled

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Minor

Preamp

amp-gain-not-achieved

Amplifier cannot achieve gain target

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Major

Preamp

amp-operating-outside-mask

Amplifier being operated outside the gain mask

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Minor

Preamp

optical-loo

Loss of output

Probable-cause-direction="tx"

Probable-cause-location="NEAREND"

Critical

Preamp

input-overload

Input power overload

Probable-cause-direction="rx"

Probable-cause-location="FAREND"

Minor

Preamp

optical-line-failure

Line failure detected, possible fiber break

Probable-cause-direction="rx"

Probable-cause-location="FAREND"

Major