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SERIAL CABLE INSTALLATION, CONT.
RS485/422
1. Loosen the gland connector for the serial cable. The gland connector for the serial cable
is located on the bottom of the enclosure. Refer to Figure No. 3 for an illustration of the
gland connector layout.
2. Slip the cable through the gland connector and into the enclosure.
3. Remove 2 inches (50 mm) of the outer insulation jacket from the cable then remove 1/4
inch (6.35 mm) of insulation from each of the wires.
4. Referring to Figure No. 14 for the location of the terminal block and correct terminal
connections, connect each of the wires to the terminal block.
5. After all terminations have been made, remove any excess cable from the enclosure and
securely tighten the cable gland connector. Finger-tighten only! DO NOT USE TOOLS!
6. Ensure that termination jumper J3 is set correctly. It must be ON for termination or OFF
for unterminated operation.
NOTE: The last display on the RS422 bus must have terminating jumpers installed, and
the display in the middle of the bus must have terminating jumpers removed.
7. Install Receive mode jumper J2. Remove J1 and J6.
16
Figure No. 17
3601-0756-0M Rev D • SB600
SB600 Internal
circuitry shown.
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