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3-9 Wiring
Use the following procedures to wire RS-232C and RS-422 cables.
Connect the shield to the frame ground (FG, the connector hood at the PC)
on the connector for the PC in all Systems and to one end of each line con-
necting two Link Adapters in RS-422 Systems. Refer to 3-5 RS-422 Connec-
tions for details on connections between Link Adapters.
3-9-1 Connecting the Shield to FG
1, 2, 3... 1. Cut the cable to the required length, leaving sufficient leeway for wiring
and laying the cables.
2. Use a razor blade to cut away the sheath, being careful not to damage
the braiding underneath. Cut away 25 mm for RS-422 cable; 40 mm for
RS-232C cable.
3. Use scissors to cut away all but 10 mm of the exposed braiding.
4. Use wire strippers to remove the insulation from the last 5 mm of each
wire.
5. Fold the braiding back over the end of the sheath.
6. Wrap aluminum foil tape over the top of the braiding for one and a half
turns.
Aluminum foil tape
3-9-2 Not Connecting the Shield to FG
1, 2, 3... 1. Cut the cable to the required length, leaving sufficient leeway for wiring
and laying the cables.
2. Use a razor blade to cut away the sheath. Cut away 25 mm for RS-422
cable; 40 mm for RS-232C cable.
3. Use scissors to cut away the exposed braiding.
4. Use wire strippers to remove the insulation from the last 5 mm of each
wire.
Wiring Section 3-9
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