PairGain T1LIE044AA, Quick Installation Manual, Page: 17 / 20

Revision 01 Section 350-231-134
HLU-231 List 3D 15
ALRM Alarm Condition
Exists A minor alarm condition is in effect.
1=xx or 2=yy HDSL Loop
Margins Indicates the relative S/N at each HDSL
transceiving input port. Any value of ‘06’
or greater is adequate for reliable system
operation.
PWR FEED
SHRT Power Feed Short Indicates a short between the 2 HDSL
pairs in span 1. This same message can
occur with an HRU is drawing the correct
amount of power over good cable pairs
but cannot communicate with the HLU.
PWR FEED
OPEN Power Feed Open Indicates an open circuit in both the tip
and ring of either HDSL pair in span 1.
BAD RT? No response from
HRU The HLU does not receive any
response from the HRU. Thus, the HRU’s
integrity is questionable.
VER HLU Software
Version # This is displayed during the System
Settings review mode. (Depress the
MODE button for 3 seconds to enter Sys-
tem Settings review mode.)
LIST 0xL HLU’s List # Displayed during System Settings
review mode defined above.
FRM Frame: SF, ESF,
UNFR, NONE Defines the type of frame pattern
being received from the DSX-1.
Displayed during System Settings.
CODE Line Code: AMI,
B8ZS This is the line code that the HLU is set to
receive and transmit at its T1
interfaces. Displayed during System
Settings mode defined above.
Diagnostic Messages (Continued)
Message Full Name Description
†
These messages only apply to systems with doublers present.