computer serial port Name | computer serial port Pin | Direction | mouse Pin | mouse Name | Description |
---|---|---|---|---|---|
CD | 1 | <-- | 5 | CD | Carrier Detect |
RXD | 2 | <-- | 4 | RXD | Receive Data |
TXD | 3 | --> | 7 | TXD | Transmit Data |
DTR | 4 | --> | 6 | DTR | Data Terminal Ready |
GND | 5 | --- | 2 | GND | Ground |
DSR | 6 | --> | 1 | DSR | Data Set Ready |
RTS | 7 | <-- | 3 | RTS | Request to send |
CTS | 8 | <-- | 8 | CTS | Clear to Send |