Comtech EF Data SDM-2020, Installation And Operation Manual

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Installation SDM-2020 Satellite Demodulator
2–6 Rev. 3
2.3 External Connections
The connectors for the main unit are shown in Figure 2-3 or Figure 2-4 and Rear Panel
RF Input Connectors (Table 2-1).
The connectors for each plug-in data interface are described in Appendix A.
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 2-3. 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 2-4. Rear Panel, Four-RF Inputs, L-Band Units