Chuck,
You need a DB9 female connector to plug into your PC. If you
look closely at the connector, there are little numbers next
to the pins. A female DB9 is numbered like um this ...
-------------
\ 5 4 3 2 1 /
\ 9 8 7 6 /
---------
The DB9 RS232 signals are:
Protective Gnd PG pin 1
Transmit Data TD pin 2
Receive Data RD pin 3
Request to Send RTS pin 4
Clear to Send CTS pin 5
Data Set Ready DSR pin 6
Signal Ground SG pin 7
Carrier Detect DCD pin 8
Data Terminal Ready DTR pin 9
Palm Pilot III/V pinouts are:
Data Terminal Ready DTR pin 1
Power +3.3v PWR pin 2
Receive Data RD pin 3
Request to Send RTS pin 4
Transmit Data TD pin 5
Clear to Send CTS pin 6
+3.3v for hotsync GP1 pin 7
+3.3v for modem GP2 pin 8
??? ???
Signal Ground GND pin 10
That Cirque Keyboard came with a Palm V adapter.
I think all you need is transmit, receive, and ground.
So connect these
RS232 pin 7 (GND) to KEYB pin 10 (GND)
RS232 pin 2 (TD) to KEYB pin 3 (RD)
RS232 pin 3 (RD) to KEYB pin 5 (TD)
The other pins are usually for modems and such
for handshaking. I doubt that they are needed for
the keyboard. And the keyboard has its own power.
-- Doug
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