D-Sub 9-Pin Connector
The Mouse port found on most Personal Computers uses a 6-pin mini DIN connector and has the pin out shown the PC Mouse pinout page.
All thought not as common as the PS/2 Mouse interface, a mouse may also be found with a serial interface.
This page provides the pinout for a serial mouse, or a mouse that uses the serial port via a 9-pin D connector. For a description of the electrical interface, refer to the RS232 page.
Many new Motherboards just use the USB port as the mouse interface. The Mouse interface runs using standard TTL signaling levels.
The standard cable length is around 4 feet, 6 foot and 10 foot extension cables are also common for the PS/2 mouse interface.
| Pin No. | Signal Name | Description |
|---|---|---|
| 1 | NC | No Connect |
| 2 | RX | Receive |
| 3 | TX | Transmit |
| 4 | DTR | Data Terminal Ready |
| 5 | GND | Ground |
| 6 | NC | No Connection |
| 7 | RTS | Receive Transmit |
| 8 | NC | No Connection |
| 9 | NC | No Connection |
The MAC used a 4-pin ADB interface for the Mouse interface, now replaced by USB.
The Sun computer used a 8-pin mini-Din for the Mouse interface, also replaced by USB Sun Mouse Pinout.
The personal computer uses a 5-pin mini DIN for the Keyboard interface.
Circular Mini-DIN Pin Locations
Computer Mouse Manufacturers
KVM Manufacturers [Keyboard - Video - Mouse Switch]
Electronic Design Key words: Mouse, miniDIN, DIN, Pin Out,
Standard, Personal Computer, Bus, PC, Pinouts, Pin Out,
Pinout, pins,
Control, Connector, Computer Bus, Specification, Spec,
Port, IBM Compatible Personal Computer Interface,
IC, Physical Interface, Description, Signal Names.
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Copyright © 1998 - 2010 All rights reserved Leroy Davis