Connecting a Relay Unit, Connecting a CM9760-REL

CONNECTING A RELAY UNIT

To connect a CM9760-REL to a DX9200 recorder using RS-232 communication:

1.Connect a null modem cable from the relay unit’s RS-232 port to the recorder’s COM 1 or COM 2 port.

2.Set the DIP switches on the relay unit for RS-232 communication. Refer to the CM9760-REL Installation/Operation manual.

If using RS-422 communication:

1.Connect a cable from the relay unit’s RJ-45 COM IN port to the recorder’s RS-232 port via an RS-232 to RS-422 converter.

2.Set the DIP switches on the relay unit for RS-422 communication. Refer to the CM9760-REL Installation/Operation manual.

RECORDER

COM 1

COM 2

RS-232 TO RS-422

CONVERTER

NULL MODEM CABLE

CM9760-REL