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C662M-E (5/03) 79
USE EITHER
COM 1 OR COM 2
RS-232 TO RS-422
CONVERTER
CM9760-REL
DX9000-VS
RELAY UNIT CONNECTIONS
You can connect 1 to 4 relay units to each viewstation. The CM9760-REL should be used with third party matrix switcher for
hard-wired alarm integration.
1. Connect a cable from the relay unit’s RJ-45 COM IN port to the COM 1 or COM 2 port on the viewstation 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.
Figure 94. Connecting a CM9760-REL for DVR Management