Interphase Tech iSPAN manual 41

Chapter 3: Connecting to the Line

Pin	V.24	V.11	V.35	Direction
3	RxD (Receive	R(A) (Receive	RXD(A) (Receive	In
	Data)	Data)	Data)
4	RTS (Ready to	C(A)	RTS (Ready to	Out
	Send)	(Command)	Send)
5	CTS (Clear to	I(A) (Indication)	CTS (Clear to	In
	Send)		Send)
6	DSR (Data Set		DSR (Data Set	In
	Ready)		Ready)
7	GND (Ground)	GND (Ground)	GND (Ground)	Common
8	DCD (Data		DCD (Data	In
	Carrier Detect)		Carrier Ready)
9		S(B) (Receive	RXC (B) (Receive	In
		Clock)	Clock)
10
11		X(B) (Transmit	TXCout(B)	Out
		Clock)	(Transmit
			Clock—DTE)
12			TXCin(B)	In
			(Transmit
			Clock—DCE)
13		I(B) (Indication)		In
14		T(B) (Transmit	TXD(B)	Out
		Data)	(Transmit Data)
15	TXCin		TXCin(A)	In
	(Transmit		(Transmit
	Clock—DCE)		Clock—DCE)
16		R(B) (Receive	RXD(B) (Receive	In
		Data)	Data)
17	RxC (Receive	S(A) (Receive	RXC(A) (Receive	In
	Clock)	Clock)	Clock)

iSPAN Serial WAN Adapter Users Guide 21