Paradyne 3615, 3616 manual Ccitt

Pin Assignments

Table D-5

EIA-232/V.24 Connector Pin Assignments

	Pin	Circuit Name		Function
		EIA-232	CCITT
2		BA	103	Transmit Data (TXD)
3		BB	104	Received Data (RXD)
4		CA	105	Request-to-Send (RTS)
5		CB	106	Clear-to-Send (CTS)
6		CC	107	Data Set Ready (DSR)
7		AB	102	Signal Ground (SG)
8		CF	109	Received Line Signal Detect (LSD)
9		Ð	Ð	Positive Test Voltage
10		Ð	Ð	Negative Test Voltage
12		CI	112	Data Signal Rate Selector I ± DCE Source
				(alternate external control lead I)
13 1		Ð	Ð	Data Signal Rate Selector II ± DCE Source
				(alternate external control Lead II)
14		SBA	118	Secondary Transmit Data
15		DB	114	Transmitter Signal Element Timing ± DCE Source
16		SBB	119	Secondary Received Data
17		DD	115	Receiver Signal Element Timing ± DCE Source
18		LL	141	Local Loopback (LL)
19 1		Ð	Ð	Data Signal Rate Selector II ± DTE Source
				(alternate external control alarm Lead II)
20		CD	108.2	Data Terminal Ready (DTR)
21		RL	140	Remote Digital Loopback (RL)
23 1		CH	111	Data Signal Rate Selector I ± DTE Source
				(alternate external control alarm Lead I)
24		DA	113	Transmitter Signal Element Timing ± DTE Source
25		TM	142	Test Mode (TM)

1 Data Signal Rate Selector function is not available at this time. These leads can be used for the External Lead functions.

3615-A2-GB20-20 December 1996 D-5