|
Light |
Status |
|
PWR/FAIL |
Green Powered and operational
Red Powered but not fully operational |
|
TA/FEL |
Yellow Solid - Set or
Test code sent to far end or local unit is in loop back
Yellow Flash - Far end
loop back has been verified |
|
NET LP |
Yellow Network Loop
Back (TLB or LLB) set |
|
SEND |
Yellow Sending loop
back or test code |
|
ACO |
Green Alarm Cut-Off
switch is operating. Remains on until the alarm condition is removed or
until another alarm occurs |
|
LOC LP |
Yellow
Local Loop Back in process |
|
CODE |
Yellow
Any code being received |
|
DATA |
Green Valid data is
present at the Network or Terminal Interface Off Data stream interrupted |
|
BPV |
Red
Bipolar Violation (BPV) received (flashes) When B8ZS is enabled,
LED doesn’t light on BPVs that are part of B8ZS pattern |
|
AIS |
Red
Alarm Indication Signal received for one second |
|
LOS |
Red
Loss of Signal received |
|
KA |
Red
Keep-Alive signal transmitted toward Network |
|
PD |
Red
Pulse Density below 1 in 8 detected in the outgoing network signal. |
|
YEL |
Yellow
Yellow Alarm code received |
|
OOF |
Red
Out Of Frame condition |
|
EER |
Red
Error rate exceeds selected threshold |
|
NI (Network)
(carrier) |
Red Specifies LOS, YEL,
AIS, EER, OOF, BPV, or CODE is on NI
signal |
|
TI (Terminal)
(Vendor) |
Red Specifies LOS, PD,
YEL, AIS, EER,
OOF, BPV, or CODE is on
TI signal
|