60 C662M-E (5/03)
Connecting a Relay Unit
To connect a CM9760-REL to a DX9000 recorder:
1. Connect a cable from the relay unit’s RJ-45 COM IN port to the COM 1 or COM 2 port on the recorder 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.
DX9008F-C
USE EITHER
COM 1 OR COM 2
RS-232 TO RS-422
CONVERTER
CM9760-REL
Figure 64. Connecting a CM9760-REL
NOTE: You can also connect a CM9760-REL to an IDE-compatible recorder.