9 PIN D-SUB CONNECTOR
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | GND |  |
Ground |
| 2 | n/c | Not connected | |
| 3 | GND | |
Ground |
| 4 | TXD+ |  |
Transmit Data + |
| 5 | TXD- | |
Transmit Data - |
| 6 | n/c | Not connected | |
| 7 | RXCLK | |
TRxC of Zilog 8530 |
| 8 | RXD+ |  |
Receive Data + |
| 9 | RXD- | |
Receive Data - |
Note: Direction is Printer relative Computer.
| Contributor: | Joakim Ögren |
| Source: | Technote HW19: Pinouts at Apple Technical Notes |
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Document last modified: 2002-01-10