Patton electronic 2190 user manual Rts

		APPENDIX C
		PATTON ELECTRONICS MODEL 2190
		RS-232 (ITU-T V.24/V.28) PIN ASSIGNMENTS
PIN	V.24	FUNCTIONS	SIGNALS	DIRECTION
1		Frame Ground	FG
2	103	Transmitted Data	TxD	Input
3	104	Received Data	RxD	Output
4	105	Request to Send	RTS	Input
5	106	Clear to Send	CTS	Output
6	107	Data Set Ready	DSR	Output
7	102	Signal Ground	SG
8	109	Carrier Detect	CD	Output
20	108.2	Data Terminal Ready	DTR	Input
22	125	Ring Indicator	RI	Output

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