Diagnostics & Troubleshooting

Indicator Descriptions

Indicator Descriptions

Each Controller card provides the following indicators (see Table 15-1). Only the active Controller card will show alarm and status information. The LED on the active Controller will light green. On the standby Controller, only the Power status indicator will light. The Power LED will light on the active Controller.

NOTE: Note: Normal LED states are shown in Boldface type.

 

Table 15-1. Indicator Descriptions

 

 

 

LED

State

Description

Power

Off

-48V power failure.

(Two LEDs, one for

Red

Internal power supply failure.

each Controller card)

Yellow

Card is booting up.

 

Green

Normal operation.

 

 

 

Active (Controller)

Off

Controller card is standby.

 

Green

Controller card is active.

 

Yellow

Insufficient memory. SIMM (memory

 

 

module) is required.

 

 

 

Critical Alarm

Off

No critical alarms present.

 

Red

Critical alarm exists.

 

 

 

Major Alarm

Off

No major alarms present.

 

Red

Major alarm exists.

 

 

 

Minor Alarm

Off

No minor alarms present.

 

Yellow

Minor alarm exists.

 

 

 

ACO (alarm cut-off)

Off

Alarm(s) active.

 

Yellow

Alarm(s) suppressed.

 

 

 

DS1 Status

Off

Off-line.

 

Red

Loss of signal (LOS).

(Each Quad T1

Red Flashing Slow

Out of frame or AIS.

Framer card has four

Red Flashing Fast

Self-test failure.

LEDs)

Yellow

Line code violation (LCV).

 

Yellow Flashing

Yellow alarm.

 

Green

Normal operation.

 

Green Flashing

Loopback test in progress.

 

 

 

Ethernet

Off

No link or connection.

(on rear panel)

Green

Normal operation.

 

 

 

15-10

August 2003

Access Navigator - Release 1.8

Page 352
Image 352
Carrier Access Access Navigator user manual Indicator Descriptions, State Description, Green, Off