MINI-LINKEandEMicro
3.5 RAU2
This radio unit consists of cover, frame, connection unit, micr owave unit and
filter unit.
The connection unit forms the bottom of the radio unit cover and it holds alarm
indicators (LEDs) and connectors for traffic, grounding, DC power and antenna
alignment. The connection unit is also equipped with lightning protection.
The microwave unit is a circuit board assembly, consisting of a radio board
and two MCMs ( Multi-chip Module) for the transmitting and receiving par ts
of the radio unit. The high-frequency MCM components are shielded with
an aluminum cover. In addition, it contains the cable interface, the DC/DC
converter, control and supervision functions and components for IF signal
processing.
The cable interface with the indoor units is a 50
N-type connector. The filter
unit consists of two branching filters and an impedance T-junction which is
the interface with the antenna.
Cover
Connection unit
Earthing screw
Microwave unit
Filter unit
Frame
3548
Figure 30 RAU2 parts
35
AE/LZT 110 2012 R8C 2002- 03-04
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