UNIVERGE SV8100 Issue 4.1
System Hardware Manual 4 - 91
Figure 4-31 CD-PRTA LED Indication Pattern of Layer 1 on T1 Unit
Table 4-48 ISDN LED Indications
Alarm Details of the Alarm LED Indication Pattern
LOS
Loss of Signal (Red alarm)
No Signam (Analogue
Interface)
Following an alarm blink (red,
green, red, green) a Red LED
will light.
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.
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