Samsung SCC-C7439P manual Baud Rate Setup, Setting RS-422A/RS-485 Termination

Baud Rate Setup

Use pins #5, #6 of SW603 to set the baud rate.

English

BAUD RATE	PIN 5	PIN 6
4800 BPS	ON	ON
9600 BPS	OFF	ON
19200 BPS	ON	OFF
38400 BPS	OFF	OFF

The factory default is 9600 BPS.

Setting RS-422A/RS-485 Termination

As it is shown in the structure map, when Controller and RS-422A/RS-485 is connected, it should be terminated according to the Cable feature of impedance on the each end of the transmitting line to transfer the signals in long distance by controlling the reflection of the signals to the lowest.

Controller

Termination									n < 32		Termination
TX+(DATA+)											SW1-ON
TX-(DATA-)											RX+
RX+		RX-	RX+		RX-	RX+		RX-	RX-
	CAM 1			CAM 2			CAM n-1			CAM n

<RS-485 Half Duplex Organization>

Termination : Using numbers 1 and 2 PIN, turn to <ON> and it will be terminated.

English _15