Lindy CPU SWITCH - Manual (Page 35)

LINDY ELECTRONICS LTD Installation & Use – English Guide Page 35
CABLE CONNECTION CABLE SPECIFICATION
LINDY CPU Switch to PCs
1 to 16
RS232 serial mice
These require a special converter to connect the RS232 lines
present on the LINDY CPU Switch mouse ports to the RS232
port on a PC. The wiring is identical to that used by Microsoft
for their autosensing mouse adapter and is shown below:
Cables should be no longer than 30 metres.
Expansion port pin
assignments The 15 way D connector located on the back of the LINDY
CPU Switch provides connections for the remote control
module and allows an external RS232 device to control the
LINDY CPU Switch. See section 3.5 for more details.
Pin 9 = GND
Pin 11 = RXD
Other pins to be left unconnected