HP 2103R-CSDI - Manual (Page 73)

Cable Pinouts A-7
Figure A-1 identifies the pins that the 8-pin mini-DIN port uses.
Figure A-1 Mini-DIN Serial Port Pinouts
Mini-DIN to DB-25 Modem Cable
Table A-10 lists console port pinouts for the 3Com OpenHub
™
Management
Cable (mini-DIN to DB-25 modem adapter cable).
Table A-10 Console Port Pinouts (Mini-DIN to DB-25 Modem Cable)
Mini-DIN DB-25
Input/Output Pin Signal Pin Signal
1 DTR 20 DTR Output
2 Not Connected 5 CTS
3 TXD 2 TXD Output
4 GND 7 GND
5 RXD 3 RXD Input
6 Not Connected 4 RTS
7 DCD 8 DCD Input
8 Not Connected 17 RTXC
1 2
3 4 5
6 7 8