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Installation
Table 10. HRU-419 Alarm Field Messages and Descriptions
Message
Full Name
NONE
No Alarms
LLOS
Local Loss
of Signal
LOSW
Loss of
Sync Word
H1ES
HDSL Loop
1 Errored
Seconds
H2ES
HDSL Loop
2 Errored
Seconds
DS1
Digital
Service 1
ACO
Alarm Cut
Off
AIS
Alarm
Indicating
Signal
28
Description
No alarm conditions present in system.
No signal from HRUs T1 interface.
One of the HDSL loops has lost synchronization.
Loop ones CRC have exceeded the ES threshold.
Loop two's CRC have exceeded the ES threshold.
BPVs have exceeded the ES threshold.
An ACO is in effect.
Indicates an AIS (all ones) pattern is being transmitted
from the local T1 output port.
September 25, 1998
150-419-100-03>
HRU-419 List 1
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