Paradyne 3551 manual Cable Circuit Name Pin Number

Pin Assignments

Table D-6

V.35 Connector Pin Assignments

25-Pin Connector	34-Pin Connector
(Rear Connector	(V.35 Interconnect
Plate)	Cable)	Circuit Name
Pin Number	Pin Number
7	B	Signal Ground
4	C	Request-to-Send (RTS)
5	D	Clear-to-Send (CTS)
6	E	Data Set Ready (DSR)
8	F	Received Line Signal Detect (LSD)
20	H	Data Terminal Ready (DTR)
18	L	Local Loopback (LL)
19	N	Remote Digital Loopback (RL)
24, 11	P, S	Transmit Data (TXD)
23, 22	R, T	Received Data (RXD)
15, 2	U, W	Transmitter Signal Element Timing ± DTE Source
16, 3	V, X	Receiver Signal Element Timing ± DCE Source
14, 1	Y, AA	Transmitter Signal Element Timing ± DCE Source
9	HH	Positive DC test voltage
10	KK	Negative DC Test Voltage
25	NN	Test Mode (TM)

3550-A2-GB20-20 December 1996 D-7