Logitech 3D MOUSE & HEAD TRACKER Technical Reference Manual page 77

Table A-3 shows the pin assignments for the computer cable's 9-pin, D-
Sub, serial port connector.
Table A-3. 9-Pin, D-Sub Serial Port Pin Assignments
Pin No.
1
2
3
4
5
6
7
8
9
Note All serial port inputs and outputs are EIA RS-232C compatible.
Also, all signal names and signal types are from the point of view
of the host.
Table A-4 shows the pin assignments for the 9- to 25-pin adapter.
Table A-4. 9- to 25 Pin, Adapter Pin Assignments
9-Pin
Shell
3
2
7
8
6
5
4
3D Mouse & Head Tracker Specifications
Signal Name
Not Connected
RXD
TXD
DTR
GND
DSR
RTS
CTS
Not Connected
25-Pin Data Signals
1 Protective GND
2 Receive Data (To Mouse)
3 Transmit Data (From Mouse)
4 Request to Send
5 Clear to Send
6 Data Set Ready
7 Signal GND
20 Data Terminal Supply
Signal Type
Input
Output
Output
Input
Output
Input
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