Installation
150-402-102-01, Revision 01
14
July 27, 1998
HRU-402 List 2
S3L1 or 2
Signal 3 Loop 1
or Loop 2
The 2nd Doubler and either HRU or 3rd Doubler
transceivers are trying to establish contact with each other
on loops 1 or 2 of span 3.
S4L1 or 2
Signal 4 Loop 1
or Loop 2
The 3rd Doubler and either HRU or 4th Doubler
transceivers are trying to establish contact with each other
on loops 1 or 2 of span 4.
S5L1 or 2
Signal 5 Loop 1
or Loop 2
The 4th Doubler and HRU transceivers are trying to
establish contact with each other on loops 1 or 2 of span 5.
A2L1 or 2
Acquisition 2
Loop 1 or Loop
2
The 1st Doubler and either HRU or 2nd Doubler
multiplexers are trying to establish synchronization with
each other on Loops 1 or 2 of span 2.
A3L1 or 2
Acquisition 3
Loop 1 or Loop
2
The 2nd Doubler and either HRU or 3rd Doubler
multiplexers are trying to establish synchronization with
each other on loops 1 or 2 of span 3.
A4L1 or 2
Acquisition 4
Loop 1 or Loop
2
The 3rd Doubler and either HRU or 4th Doubler
multiplexers are trying to establish synchronization with
each other on loops 1 or 2 of span 4.
A5L1 or 2
Acquisition 5
Loop 1 or Loop
2
The 4th Doubler and HRU multiplexers are trying to
establish synchronization with each other on loops 1 or 2
of span 5.
H1ES
HDSL CRC Error
Channel 1
HLU HDSL Loop 1 CRC error.
H2ES
HDSL CRC Error
Channel 2
HLU HDSL Loop 2 CRC error.
ARM
HiGain System
ARMED
Armed to respond to Intelligent Repeater Loop Codes.
ACO
Alarm CutOff
A minor alarm has occurred and retired to an ACO
condition, by pressing the SEL button on the HLU front
panel.
SELF
TEST
Self Test mode
HLU is in self test mode. This occurs every power On/Off
cycle.
ALRM
Alarm Condition
Exists
A minor alarm MNRALM condition is in effect.
1=xx or
2=yy
HDSL Loop
Margins
Indicates the power of the received HDSL signal on each
Loop relative to noise. Any value of 06 or greater is
adequate for reliable system operation.
PWR
FEED
SHRT
Power Feed
Short
Indicates a short between the two HDSL pairs in Span 1.
Table 4.
HLU-231 List 8 Four-Character Front Panel Messages (Continued)
Message
Name
Description
