186 Alarm codes
Causes of alarm codes
Example
Meaning
display
Possible causes
arm: 10
All KSU devices
disconnected.
11
Internal KSU
failure.
arm: 50-X
All devices on
SM
disconnected.
arm: 51-X
Trunk Module
disconnected.
arm: 52-X-V
TC disconnected
from TM
The last device on
bus 1 (port numbers
101-124) has been
removed.
The 25-pair cable was
disconnected from the KSU.
There is an internal KSU
fault.
The KSU is defective.
The last device on
bus X (port numbers
has been
removed.
The 25-pair cable was
disconnected from the SM.
The DS-30 cable from the
SM to the KSU has been
disconnected.
The SM was powered
down. .
All Trunk Cartridges have
been disconnected from the
TM on DS-30 port X.
The TM was powered
down.
The DS-30 cable from the
TM to the KSU has been
disconnected.
Trunk Cartridge Y on DS-30
port X has been
disconnected from the TM.
= DS-30 port number (l-8)
= Trunk Cartridge number (numbered from left to right)
Modular
Installer Guide
Содержание DR5
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