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Installation and Operation Manual
OW
Green
Phone call indication
E1
channel
CHANNEL
indication
A1-A4,
modules, 4*4
B1-B4,
Red
alarm
for
4*E1
on
When the opposite OW button was pressed
off
When the opposite OW button was not pressed
On
Tributary E1 link loss alarm
Blinking
Tributary E1 link AIS alarm
matrix,
slot1 to slot4 from the
C1-C4,
top
D1-D4,
channel for each slot
down,
A/B/C/D
Tributary E1 link normal
Off
If the corresponding channel is set in “Out of Service”
status, the corresponding indicator will be always light
from lest to right
LTR
100M
Green
Amber
On
Ethernet connection is normal
Off
Ethernet connection is abnormal
Flashing
Ethernet Interface Date RX/TX
Ethernet Interface Rate
On
100M
indication
Off
10M
Ethernet
Connect
Indication
When the local TX fiber link is broken and the local RX
RDI
NOPA
NOPB
Red
Red
Red
Remote
Defect
Indication for fiber links
A
Optic
signal
loss
Indication
B
Optic
signal
loss
Indication
Optical interface APS
LCK
FIA
FIB
Green
Green
Green
On
(Automatic
Protection
fiber link is normal, the remote unit will send a link loss
signal to the local unit and then the RDI indicator of the
local unit will light
Off
the local TX fiber link is normal
On
Fiber A not received optic signal
Off
Fiber A received optic signal
On
Fiber B not received optic signal
Off
Fiber B received optic signal
On
When the optical interface switch time is up to 6 in ten
minutes, the system will forbid APS function.
Switch) lock indication
Off
No optical interface
A Optic interface main
On
Fiber A is at main use status
indication
Off
Fiber A is at standby or no use status
B Optic interface main
On
Fiber B is at main use status
indication
Off
Fiber B is at standby or no use status
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