Specifications

SDM-100A Satellite Modem Installation
Rev. 0 2–5
2.4 External Connections
Connections between the modem and other equipment are made through five connectors.
These connectors are listed in Table 2-1, and their locations are shown in Figure 2-2.
The use of each connector is described in the following paragraphs.
Table 2-1. Rear Panel Connectors
Name Ref.
Desig.
Connector
Type
Function
DATA I/O J8 Various: Data Input/Output:
37-pin D RS-422/449
34-pin block or
25-pin D
V.35
25-pin D RS-232
50-pin D ASYNC
50-pin D ADPCM Voice
REMOTE J6 9-pin D Remote Interface
FAULTS J7 9-pin D FORM-C Fault Relay
Contacts
TX/IF OUTPUT CP1 BNC TX IF Output
RX/IF INPUT CP2 BNC RX IF Input
AC POWER None Standard Alternating Current (AC)
Power Input
DC POWER None Terminal block Direct Current (DC)
Power Input
CHASSIS GND GND #10-32 stud Chassis Ground
AGC AGC Test point Automatic Gain Control (AGC)
Test Point
Figure 2-2. Rear Panel View