3Com 510, 520, 530 manual Manager Port Connecting Cable

B-8 TECHNICAL INFORMATION

Manager Port Connecting Cable

The manager port cable terminates with a 9 pin female connector at one end and a 9-pin male/female D-type connector or 25-pin D-type male/female connector. The pin-out tables below show the pin outs for both variants.

		Terminal
		or Com
3Com end	Signal Name Pin	Signal Name port end
	Links	pin number
pin no.
		(9-way
(9-way male		male/female
connector)		connector)

			Terminal
			or Com
3Com end	Signal Name Pin	Signal Name	port end
	Links		pin number
pin no.
			(25-way
(9-way male			male/female
connector)			connector)
Shell	Screen	Screen	1
3	TxD	RxD	3
2	RxD	TxD	2
5	Ground	Ground	7
7	RTS	RTS	4
	(not connected)	(not connected)

Shell	Screen	Screen	Shell
3	TxD	RxD	2
2	RxD	TxD	3
5	Ground	Ground	5
7	RTS	RTS	7
	(not connected)	(not connected)

8CTS

6DSR

1DCD

4DTR

DTR20

CTS5

DSR6

DCD8

8CTS

6DSR

1DCD

4DTR

DTR4

CTS8

DSR6

DCD1