Pelco C538M manual 3.3CONNECTING THE CM9760-IRCTO THE CM9760-CC1HOST, Pelco Manual C544M 2/98

3.3CONNECTING THE CM9760-IRC TO THE CM9760-CC1 HOST

Each CM9760-IRC has two RS-422 ports; one labeled IN (male) and the other OUT (female).

To connect a CM9760-IRC to the CM9760-CC1 host, connect a SerCom port on the host to the IN RS-422 port on the IRC. The data pin connections are shown below in Figure 7.

CM9760-CC1

SERCOM

(FEMALE)

	CONNECT
	VIA CABLE
PIN 1= (TX+)		PIN 5= (RX+)
PIN 2= (TX–)		PIN 9= (RX–)
PIN 7= (RX–)		PIN 8= (TX–)
PIN 8= (RX+)		PIN 4= (TX+)

CM9760-IRC

RS-422 DB9 PORT

(MALE)

IN

1

6

2

7

3

8

4

9

5

Figure 7. Pinouts for Connecting an IRC to a CPU (9760-CC1) Host

10 Pelco Manual C544M (2/98)