Patton electronic 3088 Series user manual RS-232 console interface pin assignments

Model 3088 Series User Manual E • Interface pinouts

X.21 interface

D-sub-15 female connector (DTE/DCE orientation).

Pin #	Signal
1	Frame Ground
2	T - Transmit Data-A (DTE Source)
3	C - Control-A (DTE Source)
4	R - Receive Data-A (DCE Source)
5	I - Indication-A (DCE Source)
6	S - Signal Element Timing-A (DCE Source)
7	BT - Byte Timing-A (DCE Source)
8	SGND - Signal Ground
9	T/ - Transmit Data-B (DTE Source)
10	C/ - Control-B (DTE Source)
11	R/ - Receive Data-B (DCE Source)
12	I/ Indication-B (DCE Source)
13	S/ Signal Element Timing-B (DCE Source)
14	BT/ - Byte Timing-B (DCE Source)

RS-232 console interface pin assignments

RJ-45 non-shielded connector (EIA-561)

Pin #	Signal
1	DSR (out)
2	CD (out)
3	DTR (in)
4	Signal Ground
5	RD (out)
6	TD (in)
7	CTS (out)
8	RTS (in)

X.21 interface 82