RF Antenna Connections
Chapter 4: Hardware Installation
Figure 4-37
Base Radio Antenna Connections – MTS 4
The antenna leads should be dropped above the MTS cabinet as per the site plan. It is assumed that the Base
Radio antennas have been installed before and that the RFDS section is properly con
fi
gured. (If required, refer
to
Chapter 5, "Interconnection and Internal Cabling"
, section
for RF cabling diagrams.)
Identify and tag all antenna cables designated for connection to the MTS. Be sure to
document this information for future use.
Proper surge protection should be installed on RF inputs to prevent potential damage
to the MTS. Please refer to
"Surge Arrestors and Suppliers"
in
for more information.
The antenna connectors are DIN 7–16. The center connector is usually silver coated,
the outer body is usually aluminum or silver. It is recommended that mating antenna
feed connectors match metal plating correspondingly.
The screens of the antenna cables have to be grounded near to the MTS in accordance
with the R56 guidelines and national standards.
Table 4-1
Antenna Connections
MTS RF Antenna Configuration
Low Power
[W]
High Power
[W]
Number of BRs
MTS 2
TX/RX on 2 ant.
25
40 (20)
1 – 2 BRs
TX on 2 ant., RX on 1 ant.
25
40 (20)
1 – 2 BRs
TX on 1ant., RX on 1 ant.
10
25 (10)
1 – 2 BRs
TX on 1 ant., RX on 2 ant.
10
25 (10)
1 – 2 BRs
4-36
6802800U74-N September 2009
Содержание DIMETRA MTS 2
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