Pinouts for the VME Xylogics 781 Serial MUX board

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MODTAP RJ45 <-> DB25 Pinouts

RJ45    DB25	Signal
----    ----    ------
1       4       RTS
2       20      DTR
3       2       TXD
4       8       DCD
5       3       RXD
6       7       GNDsignal
7       6       DSR
8       5       CTS


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50-pin TELCO pinouts

Pin	Signal	Channel			Pin	Signal	Channel
1	DCD	1			26	RXT	1
2	GND	1			27	TXD	1
3	DSR	1			28	DTR	1
4	RTS	1			29	CTS	1
5	DCD	2			30	RXT	2
6	GND	2			31	TXD	2
7	DSR	2			32	DTR	2
8	RTS	2			33	CTS	2
9	DCD	3			34	RXT	3
10	GND	3			35	TXD	3
11	DSR	3			36	DTR	3
12	RTS	3			37	CTS	3
13	DCD	4			38	RXT	4
14	GND	4			39	TXD	4
15	DSR	4			40	DTR	4
16	RTS	4			41	CTS	4
17	DCD	5			42	RXT	5
18	GND	5			43	TXD	5
19	DSR	5			44	DTR	5
20	RTS	5			45	CTS	5
21	DCD	6			46	RXT	6
22	GND	6			47	TXD	6
23	DSR	6			48	DTR	6
24	RTS	6			49	CTS	6
25	N/C	None			50	N/C	None