Section 150-611-100
Revision 02
Page 24
TABLE 9. HLU 4 CHARACTER FRONT PANEL MESSAGES (CONTINUED)
Message
Full Name
Description
PWR FEED
SHRT
Power Feed Short
Indicates a short across the VHDSL pair. This same
message can occur with an HRU that is drawing the correct
amount of power over good cable pairs, but can’t
communicate with the HRU.
PWR FEED
OPEN
Power Feed Open
Indicates an open circuit in the TandR of either VHDSL pair.
PWR FEED
OFF
Power Feed Off
VHDSL span power has been turned of from the HMSC
program.
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 three seconds.
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 mode defined
above.
CODE
Line Code: AMI, B8ZS
This is the line code that the HLU is set to receive and
transmit at its DSX-1 interface. Displayed during System
Settings mode defined above.
LOSW
Loss of Sync Word
Indicates that the VHDSL loops has lost sync. Causes a
minor alarm.
LLOS
Local Loss of Signal
Indicates that no signal is detected at the T1 input to the
HLU. Causes a minor alarm.
RLOS
Remote Loss of Signal
Indicates that no signal is detected at the T1 input to the
HRU. Causes a minor alarm.
DS1
DS1 BPV errors
Indicates that the number of BPVs at the HLU and HRU DS1
inputs that have exceeded the 24 hour ES threshold. Causes
a minor alarm.
DS0
DS0 Blocked Channels
Indicates status of DS0 blocked channels. NONE indicates
no channels are blocked. BLK indicates some channels are
blocked.
MAL
Margin Alarm
The margin on the VHDSL loop has drooped below the
threshold (0 to 15 dB) set by the user.
* These messages are only available when using the HMSC PC based main system.
