Assemblies; Demodulator; Data Interfaces - Comtech EF Data SDM-2020 Installation And Operation Manual

Introduction
1.2

Assemblies

1.2.1

Demodulator

The demodulator consists of the assemblies listed in Table 1-5.
Part Number
PL/5746
PL/5782
PL/6169
PL/6170
PL/7732
PL/8292
Note: Operates with P/L7733 Mainboard only.
1.2.2

Data Interfaces

Data interface assemblies are listed in Table 1-6.
Table 1-6. EFData Part Numbers for Data Interface Modules
Part Number
PL/5805
PL/5806-3
PL/5807
PL/5814
PL/6168
PL/6175-2
PL/8160
The data interface is a plug-in module. The specific requirements for each interface type
are provided in Appendix A. As new interfaces are developed, the new data will be
added to the appendix. Remote Monitor and Control (M&C) software requirements are
listed in Appendix B.
All data interfaces are safety- rated to SELV (IEC 950, Paragraph 1.2.8.5).
For additional data interface availability, contact EFData Customer Support.
1–6
Table 1-5. EFData Module Part Numbers
Description
Demodulator Assembly
IF Module, 75Ω
Front Panel Assembly
SDM-2020 Top Assembly
L-Band 4-Input IF Module, 75Ω
70/140 MHz IF (Option) (see Note)
RS422 Serial/Parallel Data Interface
RX only ECL/HSSI Serial Data Interface
ASI/RS422 (Asynchronous Serial Interface/Serial Data
Interface
LVDS-DVB Serial/Parallel Data Interface
G.703 Data Interface
SMPTE 310M Data Interface
ASI/LVDS Interface
SDM-2020 Satellite Demodulator
Comment
June 1999 and later
May 2000
Description
Rev. 3