User's Manual

P.G. TM0054RB
2-3
Figure 2-1 R280 Repeater Block Diagram
Downlink IF
Conversion Module 2
Uplink IF
Conversion Module 1
Controller
Uplink
Amp
Diplexer
Hi
g
h
Low
Downlink
Amp
Diplexer
Attn.
Switch
Base
Distribution
Interface
M
odu
l
e
12 VDC
DC DC
DC
DC
Control and DC
Uplink
Amp
Module
Downlink
Amp
Module
Hi
g
h
Low
Downlink IF
Conversion Module 1
Splitter
Combiner
Control and DC
Uplink IF
Conversion Module 2
Splitter
Combiner
Control and DC
Control and DC
N.O.
COM
N.C.
Alarm Relay Contacts
Alarm
Alarm