Pelco DX9100 Manuel d'utilisateur télécharger pdf (Page 89)

C634M-D (12/04) 89

RELAY UNIT CONNECTIONS

You can connect up to four relay units to each viewstation. The CM9760-REL should be used with third-party matrix switchers

for hard-wired alarm integration.

To connect a CM9760-REL to a DX9100 viewstation using RS-232 communication:

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

Figure 118. Connecting a CM9760-REL for DVR Management

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Pelco DX9100 Manuel d'utilisateur Page 89