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Provisioning
150-357-200-02, Issue 2
40
February 9, 1999
HXU-357 List 1
Table 10.
HXU-357 Alarms
Alarm String
Channel
Condition
Critical Alarm
n/a
The HXU reports a critical alarm if it is online
and it detects any of the following:
•
DS3 Receive LOS condition
•
DS3 Receive Fail condition
•
DS3 Transmit Fail condition
•
five or more DS1 input faults
•
two or more DS2 out-of-frame faults
Major Alarm
n/a
A major alarm is generated if the HXU is
online and detects any of the following:
•
up to four DS1 faults
•
one DS2 out-of-frame fault
Minor Alarm
n/a
The HXU reports a minor alarm if it detects
any of the following:
•
A/B power supply fault
•
removal of the standby multiplexer
•
fault in standby multiplexer
•
configuration mismatch
•
software revision mismatch
•
too many protection switches between the
multiplexers
•
DS1 and DS3 terminal and facility
loopbacks
•
Standby card is offline.
Abnormal
n/a
The HXU reports an Abnormal alarm for the
following conditions:
•
DS3 Receive (LOS, BER, AIS or Idle)
•
DS1 transmit LOS
•
Power A or Power B alarm
Far-end Alarm
n/a
Received yellow DS3 far-end alarm codes.
Online Card
n/a
Active card in alarm.
Offline Card
n/a
Standby card in alarm.
MPU Reset
n/a
Hardware reset of the card has occurred.
DS1 Transmit Loss of Signal
1 - 28
DS1 from HLU is not active. Can be generated
for each of the 28 DS1 channels.
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