User guide

Front Panel
RST
MAJ
MIN
LB
K
RDI
PWR
LCK
ACO
LOS/LOF/AIS
123 4
1
2
3
4
E1/V35
EXT CLK
CRAFT
SL-2100
TX RX
WK
LOS
LSR
ON
TX RX
WK
LOS
LSR
ON
LAN1 LAN2 LAN3 LAN4 MGMT
Front Panel LEDs
LED
Color
Name
ON condition
OFF condition
MAJ
RED
Major Alarm
Major alarm event is present and
being signaled through rear panel
alarm connector.
Normal operation
MIN
YEL
Minor Alarm
Minor alarm event is present and
being signaled through rear panel
alarm connector.
Normal operation
LBK
YEL
Loopback
E1 loopback signal received
Normal operation
RDI
YEL
Remote Defect
Indication
Indicates a failure in the remote
terminal.
Normal operation
PWR
GRN
Power
iMux is powered and ON
iMux is powered OFF, or no
power is present
LCK
YEL
Optical Link Lock
The optical link is locked because it
has switched to protect line mode.
Normal operation
ACO
YEL
Alarm Cut Off
Normal operation
ACO Button has been
pressed. See note below.
Note:#ACO Button and LED operation.
The ACO button mutes the audible alarm when a problem occurs. When the button is
pressed the ACO LED illuminates. If any newer alarm is reposted after the ACP button has
been pressed, the external alarm will activate again
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