Avaya 8400B Plus User Manual

LED Indications

Issue 2   November 1996

Self-Test

On

On

When the unit is first powered, this 
indicates it is performing a self-test.

When the self-test is complete, the 
green LED will turn off.

If self-test passed, the red LED will 
remain on.

If self-test failed, the red LED will flash 
three times, and then remain on. This 
indicates a defective unit. Call the 
Lucent Technologies Technical Service 
Center at 1 800 242-2121.

Idle

On

On

Following the initial power-up of the 
unit, this indicates that the 8400B Plus 
Data Module is idle.

Other Test 
Modes

Flash

*

Flash*

This indicates the unit is in test mode. 
For information regarding test mode, 
refer to Appendix D.

Memory Error 
Mode

Off

Flash*

This indicates a defective unit. Call the 
Lucent Technologies Technical Service 
Center at 1 800 242-2121.

Switch Link 
Down

Wink

†

Inverted 
Wink 

‡

The unit is unable to communicate with 
the PBX. Restore the connection 
between the 8400B Plus Data Module 
and the PBX wall jack.

Phone Link 
Down

Inverted 
Wink‡

Wink†

The unit is unable to communicate with 
the telephone. Restore the connection 
between the 8400B Plus Data Module 
and the telephone. If no telephone is 
connected, change the With Telephone 
installation option to No.