NEC Univerge SV8100 System Hardware Manual page 195

LOS
AIS
OOF
RAI
Figure 4-27 CD-PRTA LED Indication Pattern of Layer 1 on T1 Un
LOS
AIS
OOF
RAI
No Alarm
4-78
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Refer to Figure 4-27 CD-PRTA LED Indication Pattern of Layer 1 on T1
Unit for LED pattern information.
120ms
red
green
red
green
red
green
red
green
Table 4-46 T1 LED Indications
Alarm Details of the Alarm
LOS Loss of Signal (Red Alarm)
No Signal (Analog Interface)
AIS Alarm Indication Signal
(Blue Alarm)
OOF Out Of Frame (Red Alarm)
Remote Alarm Indication
(Yellow Alarm)
The system does the LED control.
The order of priority is set up to alarm in the order LOS>AIS>OOF>RAI.
1 cycle 3.8sec (120ms x 32 = 3840ms)
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UNIVERGE SV8100
it
LED Indication Pattern
Following an alarm blink (red,
green, red, green) a Red LED
will light.
Following an alarm blink (red,
green, red, green) a Red LED
slowly flashes On and Off
twice.
Following an alarm blink (red,
green, red, green) a Red LED
and Green LED flash On and
Off three times
simultaneously.
Following an alarm blink (red,
green, red, green) a Green
LED flashes On and Off twice.
Installing the SV8100 Blades