Parallel interface
Connector and Icon
Pin | Signal | Pin | Signal |
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1 | Strobe | 10 | Acknowledge |
2 | Data Bit 0 | 11 | Busy |
3 | Data Bit 1 | 12 | Paper End |
4 | Data Bit 2 | 13 | Select |
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5 | Data Bit 3 | 14 | Auto Linefeed |
6 | Data Bit 4 | 15 | Error |
7 | Data Bit 5 | 16 | Initialize Printer |
8 | Data Bit 6 | 17 | Select IN |
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9 | Data Bit 7 | 18– | Signal Ground |
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| 25 |
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Serial interface, powered and
Connector and Icon | Pin | Signal |
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| 1 | Carrier Detect (12V if powered) |
| 2 | Receive Data |
| 3 | Transmit Data |
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| 4 | Data Terminal Ready |
| 5 | Signal Ground |
| 6 | Data Set Ready |
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| 7 | Request to Send |
| 8 | Clear to Send |
| 9 | Ring Indicator (5V if powered) |
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ENWW | Parallel interface 97 |