Revision 01
March 31, 1998
150-412-181-01
28
PairGain Engineering - Plant Series
HRU-412 List 8A
Table 4.
HRU-412 List 8A Alarm History Screen Definitions
Message
Full Name
Description
NONE
No Alarms
No active alarms, or alarms previously detected are
no longer active or have been reset.
LLOS
Local Loss of Signal
No signal from local T1 interface.
RLOS
Remote Loss of Signal
No signal from remote T1 interface.
LOSW
Loss of Sync Word
One of the HDSL loops has lost sync.
H1ES
HDSL Loop 1 Errored
Second
Loop 1 CRC exceeds the ES threshold set at the
HLU.
H2ES
HDSL Loop 2 Errored
Second
Loop 2 CRC exceeds the ES threshold set at the
HLU.
DS1
Digital Service 1
BPVs exceed the ES threshold set at the HLU.
ACO
Alarm Cut Off
An Alarm Cut Off is in effect.
SMJK
Smart-Jack loopback
Loopback at HRU-412 List 8A toward the network
initiated by 2-in-5 in-band loopback code or
out-of-band ESF data link code FF48.
NREM
Network Remote
Loopback
Loopback at HRU-412 List 8A toward the network
initiated at CO by intelligent line repeater code, by
HLU front panel pushbutton, or using HLU
maintenance terminal.
NLOC
Network Local
Loopback
Loopback at HLU toward the network initiated at CO
by intelligent office repeater code or by HLU front
panel pushbutton.
LAIS
Local Alarm Indicating
Signal
Indicates an AIS pattern (all 1s) is transmitting from
the local T1 output port.
RAIS
Remote Alarm
Indicating Signal
Indicates an AIS pattern (all 1s) is transmitting from
the remote T1 output port.
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