Alarm Clearing

Power Status LEDs

Power Status LEDs

The Access Navigator may have one or two Controller cards. Each Controller card has a Power LED indicator showing the status of the -48 VDC input power as well as the status of the card’s internal power supply.

Table 14-9. Power Status LEDs

LED State

Description

Troubleshooting

Green

Normal operation

Normal operation.

 

 

 

Off

-48V power failure or power

Check -48V input to unit. Input voltage

 

missing

must be between -42 and -60 V.

 

 

 

Red

Internal power supply failure

Power supply is located on Controller

 

 

card. Replace suspect Controller card (A

 

 

or B) with known good card. Cards can

 

 

be replaced with power on.

 

 

 

Yellow

Card is booting up after reset

If a software upgrade to version 1.20 or

 

or power-on.

higher is performed on a standby

 

 

Controller without a SIMM installed, the

 

 

Controller’s POWER indicator will

 

 

remain yellow until the required SIMM is

 

 

installed

 

 

 

14-16

August 2003

Access Navigator - Release 1.8

Page 336
Image 336
Carrier Access Access Navigator user manual Power Status LEDs, LED State Description Troubleshooting