User's Manual Part 1

Table Of Contents
3EM21522AAAA Genera
l
Issue 1, March 2008 DTR-0200-SA-SIRIUS
1-3
1.3
REPEATER COMPOSITION
The repeater functional components comprise the following:
HPA (located at the top level of the cabinet)
Power Amplifier
Module Pre-Driver
Splitter
Combiner
Power Supply
HPA Controller
SPU (located at the middle level of the cabinet)
VSAT Receiver Module
Modulator Module
Main Controller Module
Up-Converter Module
Uninterruptible Power Supply (UPS)
PDU (located t the bottom level of the cabinet)
Main power distribution source for the repeater
Utility Compartment (shared with PDU)
Band Pass Filter
Output Coupler
Input/Output Junction Box
RF Detectors
The repeater cabinet contains hinged and lockable front and rear doors which provide
access to the internals of the repeater. The cabinet, designed to protect the repeater
internal components against adverse environmental conditions, is provided with ven-
tilating fans and heater units.
See
Figure 1 - 3
and
Figure 1 - 4
for front and rear views of the repeater cabinet.