User Manual

RBS 2103 Macro Outdoor
CM - Control Module
The CM provides +15 V DC power to the TMAs. The CM also identifies TMA
faults and provides the fault information to the RBS alarm module
Number of units: 0 – 1.
EACU - External Alarm Connection Unit
The EACU provides a connection for any external alarms.
Number of units: 1.
TM – Transport M odule space
The mounting base also provides mountings, power, and climate control for a
TM.
Number of units: 1.
5.3 Heat Exchanger Climate Unit
The Heat E xchanger C limate Unit consists of a heater and a recuperator with
one fan for the internal circuit and one for the external circuit.
Number of units: 1.
5.4 Optional Hardware Units
DC/DC Converter
The DC/DC converter provides + 24 V DC to -48 V DC power for the TM.
Number of units: 0 – 2.
ddTMA - dual duplex TMA
The ddTMA is mounted close to the antennas and am plifies the receiver signal
and combines it with the transmitter signal. The combined signal is transmitted
on a single feeder betw een the ddTMA and CDU. A bias i njector is required
for power
Number of units: 1 – 6.
13 (20)
EN/LZT 720 0221 Uen R1A