CopperOptics PairGain HiGain-2 HRU-612 Manual - Page 12
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Revision 02
Message
CREM
Customer Remote Loopback
NLOC
Network Local Loopback
CLOC
Customer Local Loopback
NREM
Network Remote Loopback
SMJK
Remote Smartjack Loopback
TLOS
Transmits loss of signal
FERR
Framing Bit Error Occurred
LBPV
Local Bipolar Violation
SIG1
Signal
ACQ1
Acquisition
HES
HDSL CRC Error
ARM
HiGain-2 System ARMED
ACO
Alarm CutOff
SELF TEST
Self test
ALRM
Alarm Condition Exists
M =xx
VHDSL Loop Margin
PWR FEED
Power Feed Short
SHRT
PWR FEED
Power Feed Open
OPEN
BAD RT?
No response from HRU
Page 12
TABLE 3. HLU 4 CHARACTER FRONT PANEL MESSAGES.
Full Name
Signal from customer is looped back to customer at HLU-
611
DSX signal is looped back to DSX at HLU
Signal from Customer is looped back to customer at HRU-
612
DSX signal is looped back to DSX at HRU
Signal from DSX is looped back at HRU by the HRU
smartjack module.
HRU is in a logic loopback state caused by a loss of its T1
input from the NI, if enabled by the SAFS option.
Framing bit error occurred at HLU T1 input
A bipolar violation has been received at the T1 input to the
HLU-611.
The HLU & HRU transceivers are trying to establish
contact with each other.
The HLU & HRU multiplexers are trying to establish
synchronization over each loop.
At least 1 CRC error on the VHDSL Loop in the last second.
Armed to respond to Intelligent Repeater Loop Codes
A MNRALM has occurred, and been retired to an ACO
condition, by depressing the SEL button on the HLU front
panel.
The HLU is in a self test mode. This occurs every power
ON/OFF cycle.
A minor alarm condition is in effect.
Indicates the power of the received VHDSL signal relative to
noise. Any value of '06' or greater is adequate for reliable
system operation.
Indicates a short between the VHDSL pair.
Indicates an open circuit in the T&R of the VHDSL pair.
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.
Description
Table continued on next page