
Interface specifications
Your printer is equipped with an 8-bit parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
Synchronization:
Handshake timing
Signal level:
Connector:
&bit parallel
STROBE pulse
BUSY and ACKNLG signals
TTL compatible
36-pin 57-30360 Amphenol connector or e q u i v a l e n t
The table below provides the connector pin assignments and describes their respective interface signals.
Signal |
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Pln |
| Pin | Signal |
| Direction | Descrbtton |
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1 |
| 19 |
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| IN |
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| STROBE |
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| STROBE | pulse to read data. |
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| Pulse width must be more |
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| than 0.5 us at the receiving |
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| terminal. | - | |
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2 |
| 20 |
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| DATA 1 |
| IN | These signals represent |
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3 |
| 21 |
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| DATA 2 |
| IN | information in bits 1 to 8 of |
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4 |
| 22 |
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| DATA 3 |
| IN | parallel data respectively. |
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5 |
| 23 |
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| DATA 4 |
| IN | Each signal Isat HIGH level |
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6 |
| 24 |
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| DATA 5 |
| IN | when data is logical 1 and |
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7 |
| 25 |
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| DATA 6 |
| IN | LOW when it is logical 0. |
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8 |
| 26 |
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| DATA 7 |
| IN |
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9 |
| 27 |
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| DATA 8 |
| IN |
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10 |
| 28 |
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| OUT | About an 11q.s pulse. LOW |
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| ACKNLG |
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| Indicates that data has been |
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| received and that the printer |
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| is ready to accept more |
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| data. |
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