SLM-3650 Satellite Modem
Revision 3
Installation
MN/SLM3650.IOM
2-8
2.3.3
Data I/O Interface Connector (J8)
The Data I/O interface connector conducts data input and output signals to and from the
modem and connects to the customer’s terrestrial equipment, breakout panel, or protection
switch. The modem is currently available with a choice of four Data I/O connectors, as
follows:
•
25-pin D connector is the standard connector shipped with a base platform
modem.
•
50-pin D connector is the standard connector when the modem is ordered with
the optional overhead PCB, or if the overhead PCB has been installed in the
field.
•
50-pin D that can be ordered with the basic modem, but it does not include the
Overhead Card. This is used with breakout panels and switches.
•
37-pin D is an alternate connector available upon special request for the base
platform modem.
•
34-pin Winchester is an alternate connector available upon special request for the
base platform modem.
•
G.703 T1, E1/ASYNC Interface Adapter is an alternate connector available upon
special request for converting unbalanced signals to balanced signals.
•
50-pin D connector is used when the optional Flex MUX overhead board is
installed.
•
100-pin D connector is used when the optional 8-channel MUX board is
installed.
The Data I/O pinout is different for each of the interface configurations. For pinout
information, refer to the appropriate table as follows:
Standard 25-pin D connector
Table 2-4
Optional 50-pin D connector
Table 2-5
Optional 37-pin D connector
Table 2-6
Optional 34-pin Winchester connector
Table 2-7
Optional 15-pin D connector
Table 2-9
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