Revision 01
December 22, 1997
150-319-142-01
42
PairGain Engineering - Plant Series
HLU-319 List 4B
TLOS
Transmit Loss Of Signal
HRU-412 List 8B is in a logic loopback
state, caused by a loss of its DS1 input
from the CI, when enabled at the
HRU-412 List 8B via its TLOS switch
option.
FERR
Framing Bit Error occurred
Framing bit error occurred at HLU-319
List 4B DSX-1 input.
LBPV
Local Bipolar Violation
A bipolar violation has been received at
the DSX-1 input to the HLU-319 List 4B.
SIG1
Signal 1
The HLU-319 List 4B and HRU-412
List 8B transceivers are trying to
establish contact with each other on
loop 1.
SIG2
Signal 2
The HLU-319 List 4B and HRU-412
List 8B transceivers are trying to
establish contact with each other on
loop 2.
ACQ1
Acquisition 1
The HLU-319 List 4B and HRU-412
List 8B multiplexers are trying to
establish synchronization over loop 1.
ACQ2
Acquisition 2
The HLU-319 List 4B and HRU-412
List 8B multiplexers are trying to
establish synchronization over loop 2.
H1ES
HDSL CRC Error Channel 1
HLU-319 List 4B HDSL loop 1 CRC
error.
H2ES
HDSL CRC Error Channel 2
HLU-319 List 4B HDSL loop 2 CRC
error.
ARM
HiGain System is Armed
Armed and ready to respond to
Intelligent Repeater loop codes.
ACO
Alarm CutOff
A minor alarm occurred and was retired
to an ACO condition, after pressing the
SEL button on the HLU-319 List 4B front
panel.
(Continued)
Table 7.
HLU-319 List 4B Four-Character Front Panel Messages (Continued)
Message
Full Name
Description
