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