Users Manual Part 2

to the Exp Cabinet connector on the Duplexer/Preselector present in the MTS 4 Prime Cabinet
giving the right signal level for the RX-Splitter.
• Cavity Combiners – combining of eight carriers on 1 TX antenna.
Table 84: MTS 4 Expansion Cabinet RF Configurations on page 310
lists the RF configurations of the
MTS 4 Expansion Cabinet. In the table, Low Power is valid for both 400 MHz and 260 MHz versions of
the Expansion Cabinet, while High Power is valid for both 400 MHz and 800 MHz versions of the
Expansion Cabinet.
Table 84: MTS 4 Expansion Cabinet RF Configurations
RF Configura-
tion
Max Power (W)
Cavity
Combiner
RX Splitter
Low Pwr High Pwr
1 – 2 BRs
TX/RX on 2 ant. 10 25 1 2
TX/RX on 2 ant.,
RX on 1 ant.
10 25 1 3
TX on 2 ant., RX
on 2 ant.
10 25 1 2
TX on 2 ant., RX
on 3 ant.
10 25 1 3
TX/RX on 1 ant.,
RX on 1 ant
8 20 1 + phasing
harness
2
TX/RX on 1 ant.,
RX on 2 ant.
8 20 1 + phasing
harness
3
TX on 1 ant., RX
on 2 ant.
10 20 1 + phasing
harness
2
TX on 1 ant., RX
on 3 ant.
10 20 1 + phasing
harness
3
3 – 4 BRs
TX/RX on 2 ant. 10 25 2 (comb) 2
TX/RX on 2 ant.,
RX on 1 ant.
10 25 2 (comb) 3
TX on 2 ant., RX
on 2 ant.
10 25 2 (comb) 2
TX on 2 ant., RX
on 3 ant.
10 25 2 (comb) 3
TX/RX on 1 ant.,
RX on 1 ant.
8 20 2 (comb) +
phasing har-
ness
2
TX/RX on 1 ant.,
RX on 2 ant.
8 20 2 (comb) +
phasing har-
ness
3
TX on 1 ant., RX
on 2 ant.
8 20 2 (comb) +
phasing har-
ness
2
6802800U74-AP
Chapter 7: Radio Frequency Distribution System
310