User's Manual Part 1
BTS Equipment Identification – continued
Apr 2001
1-17
SC4812ET BTS Optimization/ATP — CDMA LMF
DRAFT
RF Cabinet Internal
FRUs
Figure 1-4 shows the location of the Internal Field Replaceable
Units (FRUs). A brief description of each Internal FRU is found in the
following paragraphs.
Figure 1-4: RF Cabinet Internal FRUs
DRDC LPA’s
CCP Fans
LPA Trunking
Backplane
5 RU Rack Space
RFDS
DC
Power
Dist.
Punch
Block
(back)
EBA
C–CCP Shelf
Combiner
Cage
Circuit
Breaker Panel
ETIB
FW00163
OPTIONAL AREA
Duplexer/Directional Coupler
The DRDC combines, in a single module, the functions of antenna
duplexing, receive band pass filtering, and surge protection
(see.Figure 1-8).
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