Description; Figure 1-2. Dst System Block Diagram - Comtech EF Data DST Operator's Manual

Digital Satellite Terminal System
Introduction
1.2

Description

The DST is an integrated, single thread, Single Channel Per Carrier (SCPC), Very Small
Aperture Terminal (VSAT) system designed to meet the needs of a single and/or multiple
site installations.
A block diagram of the DST system is shown in Figure 1-2.
Note: The antenna and the Ortho Mode Transducer (OMT) are not part of the DST
system. The Transmit Reject Filter (TRF), Receive Reject Filter (RRF), and L-Band
Inter-Facility Link (IFL) cables are optional equipment as are mountiits.
M&C
M&C
Data
Data
Interface
Interface
L-Band Modem
ODU
ODU
Power Supply
Power Supply
Tx IF
Modulator
Modulator
Rx IF
Demodulator
Demodulator

Figure 1-2. DST System Block Diagram

1–3
IFL Cables
(Optional)
Mounting Kits Optional
Rx Reject
BUC
Filter
(Optional)
Tx Reject
Tx Reject
LNB Filter
Filter
LNB
(Optional)
(Optional)
Revision 1
MN/DST.IOM
Feed Horn, OMT And
Antenna Not Provided