Manager Port Connecting Cable - 3Com OfficeConnect Remote 510 User Manual

B-8 T I
ECHNICAL NFORMATION

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.
Signal Name Pin
3Com end
pin no.
(9-way male
connector)
Shell Screen
3 TxD
2 RxD
5 Ground
7 RTS
(not connected)
8 CTS
6 DSR
1 DCD
4 DTR
Terminal
or Com
port end
Signal Name
pin number
Links
(9-way
male/female
connector)
Screen Shell
RxD 2
TxD 3
Ground 5
RTS 7
(not connected)
DTR 4
CTS 8
DSR 6
DCD 1
Signal Name Pin
3Com end
pin no.
(9-way male
connector)
Shell Screen
3 TxD
2 RxD
5 Ground
7 RTS
(not connected)
8 CTS
6 DSR
1 DCD
4 DTR
Terminal
or Com
port end
Signal Name
pin number
Links
(25-way
male/female
connector)
Screen 1
RxD 3
TxD 2
Ground 7
RTS 4
(not connected)
DTR 20
CTS 5
DSR 6
DCD 8