Connector - Apple Macintosh XL Serial A25 PIN D-SUB CONNECTORPin | Name | Description |
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1 | GND | Ground | 2 | TxD | Transmit Data line | 3 | RxD | Receive Data line | 4 | RTS | Request To Send | 5 | CTS | Clear To Send | 6 | DSR | Data Set Ready | 7 | GND | Ground | 8 | DCD | Data Carrier Detect | 9 | n/c | Not connected | 10 | n/c | Not connected | 11 | n/c | Not connected | 12 | n/c | Not connected | 13 | n/c | Not connected | 14 | n/c | Not connected | 15 | TxC | Connected to TRxCA | 16 | n/c | Not connected | 17 | RxC | Connected to RTxCA | 18 | n/c | Not connected | 19 | n/c | Not connected | 20 | n/c | Not connected | 21 | n/c | Not connected | 22 | n/c | Not connected | 23 | n/c | Not connected | 24 | TEXT | Connected to TRxCA | 25 | n/c | Not connected |
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