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Figure 58: 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 configured.
(If required, refer to chapter
page 177
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.
NOTICE:
Proper surge protection should be installed on RF inputs to prevent potential damage to the
MTS. See
Surge Arrestors and Suppliers on page 456
page 446
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 20: Antenna Connections
MTS RF Antenna Configuration
MTS LiTE
TX/RX on 2 ant.
TX on 1ant., RX on 1 ant.
MTS 2
TX/RX on 2 ant.
RX3 RX2/TX2 or TX2
R
X1/TX1 o
r TX1
RX1
Interconnection and Internal Cabling on page
Low Power
[W]
25
25
25
Chapter 4: Hardware Installation
RX2
149, section
in
Field Replaceable Units (FRUs) on
High Power
Number of BRs
[W]
40
40
40 (20)
1 2 BRs
6802800U74-AN
RF Cabling on
1 BR
1 BR
117
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