User Manual

Module Front Panel LED Indicators and Connectors – continued
6-34 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Figure 6-4: MCC Front Panel
PWR/ALM LED
LENS
(REMOVABLE)
ACTIVE LED
PWR/ALM ACTIVE
PWR/ALM
OFF – operating normally
ON – briefly during power-up and dur-
ing failure conditions
ACTIVE
LED OPERATING STATUS
RAPIDLY BLINKING – Card is code-
loaded but not enabled
SLOW BLINKING – Card is not code-
loaded
ON – card is code-loaded and enabled
(INS_ACTIVE)
COLOR
GREEN
RED
RED
ON – fault condition
SLOW FLASHING (alternating with
green) – CHI bus inactive on power-up
An alarm is generated in the event of a fail-
ure
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