Cisco AS5400XM Quick Start Manual page 13

Table 1 LEDs
Feature Card LED
T1 or E1 ACTIVITY (ACT)
feature card
OK/MAINT
• Remote Alarm
(RA)
• Local Alarm (LA)
• Loopback (LB)
State Description
Fast flicker (green) The feature card is up and running.
Slow flicker (green) The feature card is not yet fully functional.
Green The feature card has passed initial power-up diagnostics tests
and is operating normally.
Yellow • The feature card is busied out, but there are active calls.
• The feature card is not functioning correctly.
Off All calls associated with the card have been shut down, and it
is safe to remove the card with the system powered on.
On (yellow) One LED below each T1/E1 port indicates one of the
following:
• A local or remote loopback diagnostic test is running on
• An alarm has been received on the associated T1/E1 port,
Once all the calls are terminated the feature card will be
powered off.
the associated T1 port.
indicating loss of signal (LOS) or loss of multiframe
alignment (LOF) at the local or remote node.
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