Specifications

Installation SDM-650B Satellite Modem
2–2 Rev. 5
4. Save the packing material for storage or reshipment purposes.
5. Inspect the equipment for any possible damage incurred during shipment.
6. Check the equipment against the packing list to ensure the shipment is complete.
7. Refer to Section 2.4 for further system installation instructions.
2.2 External Connections
Connections between the modem and other equipment are made through six connectors.
These connectors are listed in Table 2-1 and their locations are shown in Figure 2-1.
GROUND
ERDE
REMOTE
FAULT
J8
DATA
I/OI
J7
J6
CP1
CP2
TX/ I F
OUTPUT
RX/I F
INPUT
MADE IN USA
Figure 2-1. SDM-650B Rear Panel View
Table 2-1. Rear Panel Connectors
Name Ref. Design. Connector Type Function
DATA I/O J8 Various RS-422/MIL-STD-188 I/O
V.35 DATA I/O
DS1 DATA I/O
G.703 DATA I/O
Asynchronous Overhead
Channel Unit
REMOTE J6 9-Pin D Interface
FAULT J7 9-Pin D FORM C Fault Relay Contacts
IF OUTPUT CP1 BNC TX IF Output
IF INPUT CP2 BNC RX IF Input
AC POWER None Standard AC Power Input
GROUND GROUND #10-32 Stud Chassis Ground
The use of each connector is described in the following paragraphs.