Issue 3.0
SV9100 System Hardware Manual 4-79
Refer to Figure 4-28 GCD-PRTA LED Indication Pattern of Layer 1 on T1
Unit for LED pattern information. LED indications for the T1 are listed in
Table 4-33 T1 LED Indications.
Figure 4-28 GCD-PRTA LED Indication Pattern of Layer 1 on T1 Unit
Table 4-33 T1 LED Indications
Alarm Details of the Alarm LED Indication Pattern
LOS Loss of Signal (Red Alarm)
No Signal (Analog Interface)
Following an alarm blink (red,
green, red, green) a Red LED
lights.
AIS Alarm Indication Signal
(Blue Alarm)
Following an alarm blink (red,
green, red, green) a Red LED
slowly flashes On and Off twice.
OOF Out Of Frame (Red Alarm) Following an alarm blink (red,
green, red, green) a Red LED and
Green LED flash On and Off three
times simultaneously.
RAI Remote Alarm Indication (Yellow
Alarm)
Following an alarm blink (red,
green, red, green) a Green LED
flashes On and Off twice.
No Alarm The system does the LED control.
The order of priority is set up to alarm in the order LOS
AIS
OOF
RAI.
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