Samsung SVR-1640, SVR-950 External control equipment RS-422/485, RS-422 RS-485, Port a, Port B

SVR-1650/1640/950 User Manual

3. External control equipment (RS-422/485)

This is a terminal for connecting external control equipment.

The switch labeled TERM is used to turn ON/OFF terminating resistance for RS–422/485 communication equipment.

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PORT	No.	RS-422	RS-485
	1	RX+ (+Data Receive)	Data+
	2	RX- (-Data Receive)	Data-
PORT A	3	N/C (Not connected)	N/C (Not connected)
	4	N/C (Not connected)	N/C (Not connected)
(Controller
	5	GND(Ground)	GND(Ground)
SCC-3100A Control)
	6	N/C (Not connected)	N/C (Not connected)
	7	Tx-(-Data Send)	Data-
	8	Tx+(+Data Send)	Data+
	9	Rx+(+Data Receive)	Data+
	10	Rx-(-Data Receive)	Data-
PORT B	11	N/C (Not connected)	N/C (Not connected)
	12	N/C (Not connected)	N/C (Not connected)
(Speed Dome Control)	13	GND(Ground)	GND(Ground)
	14	N/C (Not connected)	N/C (Not connected)
	15	Tx-(-Data Send)	Data-
	16	Tx+(+Data Send)	Data+

TERM 1 switch controls PORT A, TERM 2 Switch controls PORT B 1, 2 : ON → RS-485 MODE, OFF .→ RS-422 MODE

3, 4 : ON → Termination On, OFF → Termination Off

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