Section 150-612-102
Revision 03
Page 13
TABLE 3. HLU 4 CHARACTER FRONT PANEL MESSAGES (CONTINUED)
Message
Full Name
Description
M =xx
VHDSL Loop Margin
Indicates the power of the received VHDSL signal 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 VHDSL pair.
PWR FEED
OPEN
Power Feed Open
Indicates an open circuit in the T&R of the VHDSL pair.
BAD RT?
No response from HRU
The HDSL Power feed circuits are good, but 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.
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 loop 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.