Connect Tech Titan/cPCI Table 2: DB-37cable connector pinouts

Titan/cPCI User’s Manual, Connect Tech Inc.

Table 2: DB-37 cable connector pinouts

Pin	Port	RS-232		RS-422/485
No.	No.	Signal	Direction	Signal	Direction
1	1	SG	signal gnd	SR	signal ref
2	1	DTR	output	TxD-	output
3	1	TxD	output	TxD+	output
4	1	RxD	input	RxD-	input
5	1	DCD	input	RxD+	input
6		unused		unused
7	3	RI	input	RTS-	output
8	3	CTS	input	CTS+	input
9	3	RTS	output	RTS+	output
10	3	DSR	input	CTS-	input
		or +5V or +12V **
11	4	RI	input	RTS-	output
12	4	CTS	input	CTS+	input
13	4	RTS	output	RTS+	output
14	4	DSR	input	CTS-	input
		or +5V or +12V **
15	2	SG	signal gnd	SR	signal ref
16	2	DTR	output	TxD-	output
17	2	TxD	output	TxD+	output
18	2	RxD	input	RxD-	input
19	2	DCD	input	RxD+	input
20	1	RI	input	RTS-	output
21	1	CTS	input	CTS+	input
22	1	RTS	output	RTS+	output
23	1	DSR	input	CTS-	input
		or +5V or +12V **
24	3	SG	signal gnd	SR	signal ref
25	3	DTR	output	TxD-	output
26	3	TxD	output	TxD+	output
27	3	RxD	input	RxD-	input
28	3	DCD	input	RxD+	input
29	4	SG	signal gnd	SR	signal ref
30	4	DTR	output	TxD-	output
31	4	TxD	output	TxD+	output
32	4	RxD	input	RxD-	input
33	4	DCD	input	RxD+	input
34	2	RI	input	RTS-	output
35	2	CTS	input	CTS+	input
36	2	RTS	output	RTS+	output
37	2	DSR	input	CTS-	input
		or +5V or +12V **

**This option is jumper selectable on the Titan/cPCI Rear I/O adapters only.

Cable Part Number: CAB04DX

Revision 1.01 15