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2.4 Connecting the Communication Cable
1. Open the hinged cable door by loosening the two screws. Lift up on the door.
2. Plug the null modem cable into the RS232 port. (Or plug the USB cable into the
USB port.)
3. Place the cable in the cable cavity.
4. Close the hinged cable door and tighten the screws.
RS232 port
USB port
5V/DTR Switch
Cable cavity
Null modem cable
RS232 port
Screws
Hinged
cable door