Installation Manual
RS-232 Cable for HP Portable (110) and
Portable Plus—Minimum Pin-Outs
Computer End
9-Pin Male
Router End
25-Pin Male
Tx 2 2 Tx
Rx 3 3 Rx
GND 7 7 GND
5CTS
6DSR
8DCD
22 RI
23 DRS
Null-Modem Adapter for Use with Modem
Cable—Minimum Pin-Outs
Modem Cable End
25-Pin Female
Router End
25-Pin Male
Tx
Rx
RTS
CTS
DSR
DCD
DTR
GND
2
3
4
5
6
8
20
7
2
3
4
5
6
8
20
7
Tx
Rx
RTS
CTS
DSR
DCD
DTR
GND
OR
4
5
4
5
Note Signals DTR (pin 20) and RTS (pin 4) must be on, or high, on your
terminal or in your terminal emulation program.
Cables and
Connectors
A
Cables and Connectors
Cable and Connector Pin-Outs
A-7