Comtech EF Data SDM-2020, Installation And Operation Manual

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SDM-2020 Satellite Demodulator Data Interfaces
Rev.3 A–69
A.8.3.1 Jumper Selection
There are jumpers located on the ASI/LVDS card that require proper selection. See
Figure A-21. A description of the jumpers and application data is as follows:
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JP1
JP2
JP3 JP4
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Jumper In
ON
Position
J6
J7
J3
J4
J5 • •
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Jumper In
OFF
Position
Figure A-21. ASI/LVDS Jumper Selection
Jumper Description
JP1 Selects whether the LVDS-DVB connector, J6, operates as input or
an output
JP2, JP3, and JP4 A single jumper is placed on JP2, JP3, or JP4.