User's Manual Part 3

Broadband Transceiver Card
9-32 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU MAY 2004
PRELIMINARY
Introduction
The procedures in this section cover only the Broad Band Transceiver
1X (BBX–1X) cards. These cards occupy the seventh and eighth slots
(BBX 1 & 4) of the CCP2 Shelf.
System Impact/ Considerations
The Compact BTS is not configured for redundancy, so a failure of the
BBX card will cause an interruption in call processing. It is still
“hot–swappable” like its Macrocell counterparts. Once replacement is
made, optimization procedures will have to be performed.
Front Panel
The BBX–1X card contains the PWR/ALM and ACTIVE LED’s, reset
switch and MMI port connector. A removable lens covers these items
and deters access to the reset switch and MMI port. Refer to Figure 9-13.
PWR/ALM LED
The BBX module has its own alarm (fault) detection circuitry that
controls the state of the PWR/ALM LED. When the LED is:
S Green –
– Solid – INS_ACT no alarm.
– Slowly Flashing – OOS_ROM no alarm.
– Rapidly Flashing – OOS_RAM no alarm.
S Red – initializing or power-up or alarm condition.
S Combinations
– Long red/Short green– OOS_ROM alarm.
– Short red/Short green – OOS_RAM alarm.
– Long green/Short red – INS_ACT alarm.
S OFF
– No DC power
– The on–board fuse is open.
Active LED
The BBX module has circuitry that controls the state of the Active LED.
When the LED is:
S Green – Operating in INS_ACTIVE state and keyed. No alarm
condition present.
S Red –
– Color during initial system power–up.
– Operating in FAULT (alarm) state. Alarm condition is present.
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