Section 150-619-100
Revision 01
Page 17
TABLE 3. HLU-619 FOUR-CHARACTER FRONT PANEL MESSAGES (CONTINUED)
M
ESSAGE
F
ULL
N
AME
D
ESCRIPTION
PWR FEED SHRT
Power Feed Short
Indicates a short between the VHDSL conductors. This same
message can occur with an HRU, which 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 the T and R of either VHDSL pair.
PWR FEED OFF
Power Feed Off
VHDSL span power has been turned off by setting the PWFD option
to DIS.
BAD RT?
No response from
HRU
The HLU does not receive any response from the HRU. The HRU’s
integrity is questionable.
VER XXXX
HLU software Version
number
Displayed during the System Settings review mode. Press the Mode
button for 3 seconds.
LIST XXXX
HLU’s List number
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 review mode defined above.
CODE
Line Code: AMI,
B8ZS
The line code that the HLU-619 is receiving at its DSX-1 interface, if
the DS1 option is set to Auto. Otherwise, it mimics either of the
other two DS1 line code settings, AMI or B8ZS. Displayed during
System Settings review 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 DSX-1 input to the HLU.
Causes a minor alarm.
RLOS
Remote Loss of
Signal
Indicates that no signal is detected at the DS1 input to the HRU.
Causes a minor alarm.
DS1
DS1 BPV Errors
Indicates that the number of BPVs at the HLU or HRU T1 inputs
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 Loop
The margin on the VHDSL loop has dropped below the threshold (0
to 15 dB) set by the user.
MNGD
Managed
The HLU-619 is under control of the HMU-619 network management
unit. In this state, the RS-232 maintenance port on the HLU-619
front panel is inoperative.
