RAD Data comm RIC-E1 operation manual Appendix a Interface Connector Wiring

Appendix A

Interface Connector Wiring

A.1 V.35, X.21 and RS-530 Interface Connectors

Table A-1lists the pin assignments of the V.35, X.21 and RS-530 interface connectors.

Table A-1. V.35, X.21 and RS-530 Interfaces, Pin Assignments

		V.35, 34-Pin						RS-530, DB-25					X.21, DB-15
Signal
Function	Pin				Circuit		Pin			Circuit		Pin			Circuit
													[Function]
Protective	A		Frame	101		1				101	1		[SHIELD]	101
Ground
Signal	B		Signal	102		7			AB	102	8		[GND]	102
Ground			GND
Transmitted	P		TD(A)	103		2			BA(A)	103	2		T(A)	103
Data	S		TD(B)	103		14			BA(B)	103	9		T(B)	103
													[Transmit]
Received	R		RD(A)	104		3			BB(A)	104	4		R(A)	104
Data	T		RD(B)	104		16			BB(B)	104	11		R(B)	104
													[Receive]
Request to	C		RTS	105		4			CA(A)	105	3		C(A)	105
Send						19			CA(B)		10		C(B)
													[Control]
Clear to	D		CTS	106		5			CB(A)	106				106
Send						13			CB(B)
Data Set	E		DSR	107		6			CC(A)	107				107
Ready						22			CC(B)
Data	H		DTR	108		20			CD(A)	108				108
Terminal						23			CD(B)
Ready
Carrier	F		DCD	109		8			CF(A)	109	5		I (A)	109
Detect						10			CF(B)		12		I (B)
													[Indication]
External	U		SCTE(A)	113		24			DA(A)	113	7		(A)	113
Transmit	W		SCTE(B)	113		11			DA(B)	113	14		(B)	113
Clock

V.35, X.21 and RS-530 Interface Connectors A-1

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