NEC Univerge SV9100

Issue 2.0
2-6 Hardware Installation <US Only>
3.2 Installation
Install the GCD-CCTA in any universal slot.
3.3 LED Indications
LED indications for the GCD-CCTA are listed in Table 2-4 GCD-CCTA LED
Indications. Each LED is listed with its associated function and LED and
Operational status. Refer to Figure 2-3 GCD-CCTA LED Indication Pattern of
Layer 1 on T1 Unit on page 2-7 for LED pattern information.
Table 2-4 GCD-CCTA 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 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.
 The order of priority is set up to alarm in the order LOS>AIS>OOF>RAI.