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SVS 100 Appendix
A-4
Reference Information, cont’d
Relocating the ribbon cable and setting the jumper
If the SVS 100 is currently configured for RS-232 communication, the ribbon cable
must be relocated and the jumper must be reset for RS-422 communication. See
figure A-3.
1. Disconnect the ribbon cable from the RS-232 receptacle, noting that the
red stripe of the cable is positioned relative to pin #1 of the receptacle.
Both RS-232 and RS-422 receptacles are mounted with pin #1 located on
the same side, relative to the circuit board.
2. Reconnect the ribbon cable to the RS-422 receptacle, as shown in
figure A-3. The red stripe of the ribbon cable must be positioned relative
to pin #1 of the RS-422 receptacle.
Figure A-3 — RS-232 to RS-422 cable and jumper positioning
3. Remove and replace the jumper on the alternate jumper position, as
shown in figure A-3.
Replacing the top cover
1. Before replacing the top cover, be sure that all internal wiring is safely
within the enclosure.
2. Carefully position the top cover and replace the fourteen screws which
were previously removed.
1
3
1
3
1
3
J23
RS-232 Pin Connector
RS-232 RS-422
RS-422 Pin Connector
Ribbon Cable
1LR
INPUTS
OUTPUT
2LR3LR4LR
1LR
RS-232/422
REMOTE
OUT
IN
INPUT 1
GENLOCK
IN
OUT
OUT
IN
OUT
IN
INPUT 2 INPUT 3
OUT
IN
A
BC
INPUT 4
OUTPUT