Product specifications

4 Issue 3, December 2003 61223006L1-5C
Front Panel LED Indicators
There are six front panel mounted status LED
indicators. Each indicator is described in Tabl e 4.
Table 4. Front Panel Indicators
Front Panel Name Indication Description
DSL
Green
DSL sync, no errors currently detected, and signal margin ≥2 dB
Red No DSL sync, errors being detected, or signal margin <2 dB
DSX/DS1
Green DSX-1 is present and no errors currently detected
Red No DSX-1 signal or signal is present with errors
ALM
OFF No active alarm present
Red Loss of DSX-1 signal to the unit
Yellow Loss of DS1 signal to the remote
ESF/SF
OFF Unit is receiving Unframed data
Yellow Unit is receiving ESF data
Green Unit is receiving SF data
B8ZS/AMI
Yellow Unit is receiving B8ZS line code data
Green Unit is receiving AMI line code data
LBK
OFF Unit is NOT in loopback
Yellow Unit is in loopback (network and/or customer)
1223006L1
D
S
X
TX
RX
E
Q
M
O
N
TX
RX
DSL
DSX/DS1
ALM
SF
ESF/
AMI
B8ZS/
LBK
UCH T