Patton electronic 3088A manual X.21 interface, Ethernet Console port, Pin #, Signal

Model 3088A Series Getting Started Guide 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)
	X - DTE Signal Element Timing - A (DTE 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)
	X/ - DTE Signal Element Timing - B (DTE source)

Ethernet Console port

Table 10. RJ45 socket 10/100Base-T

Pin	Signal
1	TX+
2	TX-
3	RX+
6	RX-

Note Pins not listed are not used.

X.21 interface 71