Cisco Systems AS5400 Manual De Usuario

T3 DFC

ACTIVITY (ACT)

Fast flicker

Indicates DFC is up and running.

Slow flicker 

Indicates DFC is not yet fully 
functional.

OK/MAINT

On (Green)

The CT3 DFC passed initial 
power-up diagnostics tests and is 
operating normally.

Yellow

The CT3 DFC is not functioning. See 
the console for messages.

Off

Indicates that all calls associated 
with the DFC are shut down and it is 
safe to remove the card with the 
system powered on.

M13 Alarm (MA)

On

Indicates the presence of one of the 
following on the CT3 line:
Received Alarm Indication Signal 
(RAIS), Loss Of Signal (LOS), 
Receive RED Alarm (RRED), or a 
Far-End Receive Failure(RFERF).

1

Off

Remains off when operating 
condition is normal.

Remote Alarm 
(RA)

On

Indicates a T1 alarm condition 
encountered by software.

Off

Remains off when operating 
condition is normal.

Local Alarm (LA)

On

Indicates a T1 alarm condition 
encountered by software for a 
particular port.

Off

Remains off when operating 
condition is normal.

T3 EN/DIS

Green

Indicates a CT3 card line connection 
enabling normal operation.

Yellow

Normal operation is disabled.

Low signal (LOS)

On

Indicates the CT3 LIU is 
experiencing a loss of signal.

Off

Remains off when operating 
condition is normal.

Network Loop 
(LOOP)

On

Indicates that at least one T1 is 
unavailable.

Off

Remains off when operating 
condition is normal.