Comtech-ef-data SDM-2020 Instrukcja Użytkownika Pobierz pdf (Strona 41)

3–1

Chapter 3. EXTERNAL

CONNECTIONS

This chapter a description of external connections.

3.1 External Connections

The connectors for the main unit are shown in figure 3-1 or Figure 3-2 and Rear Panel RF

Input Connectors (Table 3-1).

Table 3-1. Rear Panel Connectors

Name Ref. Desig. Type Function

Remote J1 9-pin D, Female Remote control (M&C)

Fault J2 9-pin D, Female Relay Faults

Monitor J21 9 pin D, Female Performance Monitor

IF Input (Single-Channel)

(see Note 1)

J23 Type F, Female RX IF input, LNB power out.

IF Input (4 Input)

(see Note 2)

J23, J24,

J25, J26

Type F, Female RX IF Input LNB power out

Prime Power None Standard AC Power Input

GND None #10-32 Stud Chassis Ground

Data Interface Connectors See Applicable Chapter

Notes:

1. Single RX IF input is for earlier L-Band units and all 70/140 MHz demodulators. LNB

power is available only for L-Band.

2. The 4-channel input IF is only available for L-Band.

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Comtech-ef-data SDM-2020 Instrukcja Użytkownika Strona 41