User's Manual
Internal Assembly Identification and Location68P09255A69-3
Aug 2002
1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x
PRELIMINARY
1-29
Figure 1-10: RF Interface Panel, Companion Frame, 2:1 Combiners and TRDCs
TX IN
123
1A 2A 3A 1B 2B 3B
RX EXPANSION
SC4812ETL0026-2
GROUND
2A 3A 1B 2B 3B
ANTENNAS
1A
TX PORTS
12
TX OUT
123
REMOTE ASU
RX PORTS
NOTES:
1. CARRIER 1:
TX USES TX PORTS 1A,
2A, 3A;
RX MAIN USES RX PORTS
1A, 2A, 3A;
RX DIVERSITY RECEIVED
FROM COLLOCATED
COMPANION FRAME
THROUGH RX EXPANSION
PORTS 1B, 2B, 3B.
2. CARRIER 2:
TX USES TX PORTS 1A,
2A, 3A;
RX MAIN USES RX PORTS
1A, 2A, 3A;
RX DIVERSITY RECEIVED
FROM COLLOCATED
COMPANION FRAME
THROUGH RX EXPANSION
PORTS 1B, 2B, 3B.
3. COLLOCATED
COMPANION FRAME
CARRIER 1 & 2 RX
DIVERSITY PROVIDED
THROUGH RX EXPANSION
PORTS 1A, 2A, 3A.
RX DIVERSITY
IN FROM
COLLOCATED
COMPANION
FRAME
RX MAIN EXPANSION
OUTPUTS (TO RX
DIVERSITY EXPANSION
INPUTS OF COLLOCATED
COMPANION FRAME)
1