Samsung SRP-350 specifications RS-232C Cable Connection Interface Connector

RS-232C Cable Connection	Interface Connector
	Serial Interface (RS-232)
	Pin No.	Signal name	Direction	Function
				Frame Ground
	1	FG	-
		TxD
	2		Output	Transmit Data
		RxD
	3		Input	Receive Data
		RTS
	4		Output	Ready To Send
		CTS
	5		Input	Clear To Send
		DSR
	6		Input	Data Set Ready
		SG
	7		-	Signal Ground
		DTR
	20		Output	Data Terminal Ready
RS-485 Cable Connection
	Serial Interface (RS-485)
	Pin No.	Signal Name	Direction	Function
	1	FGND	-	Frame Ground
	2	SD2	Output	Send Data
	3	SD1	Output
	4	RD2	Input	Receive Data
	5	RD1	Input
	7	SGND	-	Signal Ground
	8	DR2	Output	Same as DTR(RS-232)
	9	DR1
	10	CS2	Input	Same as DSR(RS-232)
	11	CS1

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