Hardware Information
Parallel Port LPT1
The parallel port (LPT 1) on the Box PC has the following pinout:
1 14
13 25
Figure | 1 (Socket) |
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Pin No. | Designation |
| Description | Input / Output |
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1 | / Strobe (CLK) |
| Data message | Output (open collector) |
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2 | Data - Bit 0 |
| Data line 0 | Output (TTL level) |
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3 | Data - Bit 1 |
| Data line 1 | Output (TTL level) |
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4 | Data - Bit 2 |
| Data line 2 | Output (TTL level) |
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5 | Data - Bit 3 |
| Data line 3 | Output (TTL level) |
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6 | Data - Bit 4 |
| Data line 4 | Output (TTL level) |
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7 | Data - Bit 5 |
| Data line 5 | Output (TTL level) |
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8 | Data - Bit 6 |
| Data line 6 | Output (TTL level) |
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9 | Data - Bit 7 |
| Data line 7 | Output (TTL level) |
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10 | /ACK |
| Acknowledge | Input (4.7 kW pull up) |
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11 | BUSY |
| Not ready | Input (4.7 kW pull up) |
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12 | PE |
| No paper | Input (4.7 kW pull up) |
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13 | SELECT |
| Device selection | Input (4,7 kW pull up) |
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14 | / AUTO FEED |
| Automatic new line | Output (open collector) |
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15 | / ERROR |
| Device error | Input (4,7 kW pull up) |
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16 | / INIT |
| Reset / Initialization | Output (open collector) |
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17 | / SELECT IN |
| Printer selection | Output (open collector) |
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18 - 25 | GND |
| Ground | - |
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SIMATIC Box PC 620 Manual | |
