beautypg.com

Comtech EF Data SDM-2020 User Manual

Page 42

background image

SDM-2020 Satellite Demodulator

Revision 4

Installation

MN/SDM2020D.IOM

3–2

GROUND

PRIME POWER

J3

DATA INTERFACE*

LNB POWER

LED

J1

REMOTE

J2

FAULT

J21

MONITOR

J23

RX IF

INPUT

*NOTE:

FIGURE IS SHOWN WITH ECL/HSSI

DATA INTERFACE

Figure 3-1. Rear Panel, Single RF Input, 70/140 MHz, and Earlier L-Band Units

4-RF INPUT

J23, J24, J25, J26

(RF1)(RF2)(RF3)(RF4)

PRIME POWER

FAN

J1 REMOTE

DATA INTERFACE

J3

J21 MONITOR

J2 FAULT

Figure 3-2. Rear Panel, Four-RF Inputs, L-Band Units