Section 150-611-100
Revision 02
Page 23
TABLE 9. HLU 4 CHARACTER FRONT PANEL MESSAGES
Message
Full Name
Description
CREM
Customer Remote Loopback
Signal from customer is looped back to customer at HLU-611.
NLOC
Network Local Loopback
DSX signal is looped back to DSX at HLU.
CLOC
Customer Local Loopback
Signal from Customer is looped back to customer at HRU-612.
NREM
Network Remote Loopback
DSX signal is looped back to DSX at HRU.
SMJK
Remote Smartjack Loopback
Signal from DSX is looped back at HRU by the HRU smartjack
module.
TLOS
Transmit Loss Of Signal
HRU is in a logic loopback state caused by a loss of its T1
input from the NI, if enabled via SAIS option.
FERR
Framing Bit Error Occurred
Framing bit error occurred at HLU T1 input.
LBPV
Local Bipolar Violation
A bipolar violation has been received at the T1 input to the
HLU-611.
SIG
Signal
The HLU and HRU transceivers are trying to establish contact
with each other.
ACQ
Acquire
The HLU and HRU multiplexers are trying to establish
synchronization over each loop.
HES
VHDSL CRC Error
VHDSL CRC error.
ARM
HiGain-2 System ARMED
Armed to respond to Intelligent Repeater Loop Codes.
ACO
Alarm CutOff
A MNRALM has occurred, and been retired to an ACO
condition, by depressing the SEL button on the HLU front
panel.
SELF TEST
The HLU is in a self test mode. This occurs every power
ON/OFF cycle.
ALRM
Alarm Condition Exists
A minor alarm MNRALM condition is in effect.
M=X
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.
Table continued on next page
