USER’S GUIDE
INTERFACE SPECIFICATIONS
Bi-directional Parallel Interface
Interface Connector
A shielded cable that is IEEE 1285 compliant with the following pin assignment should be used. Most existing parallel cables support bi- directional communication, but some might have incompatible pin assignments or may not be IEEE 1284 compliant.
18 15 12 9 6 3 1
36 | 33 | 30 | 27 | 24 | 21 | 19 |
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Fig. | Parallel Interface Connector |
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Pin Assignment |
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Pin No. | Signal |
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| Pin No. | Signal | |||||
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1 | DATA STROBE |
| 19 |
| Twisted pair ground | ||||||||
2 | DATA 0 |
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| 20 |
| Twisted pair ground | ||||||
3 | DATA 1 |
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| 21 |
| Twisted pair ground | ||||||
4 | DATA 2 |
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| 22 |
| Twisted pair ground | ||||||
5 | DATA 3 |
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| 23 |
| Twisted pair ground | ||||||
6 | DATA 4 |
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| 24 |
| Twisted pair ground | ||||||
7 | DATA 5 |
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| 25 |
| Twisted pair ground | ||||||
8 | DATA 6 |
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| 26 |
| Twisted pair ground | ||||||
9 | DATA 7 |
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| 27 |
| Twisted pair ground | ||||||
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10 | ACKNLG |
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| 28 |
| Twisted pair ground | ||||||
11 | BUSY |
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| 29 |
| Twisted pair ground | ||||||
12 |
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PE |
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| 30 |
| INPUT PRIME RET | |||||
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13 | SLCT |
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| 31 |
| INPUT PRIME | ||||
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14 | AUTO FEED |
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| 32 |
| FAULT | ||||||
15 | N.C. |
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| 33 |
| N.C. | ||||
16 | 0V |
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| 34 |
| N.C. | ||||
17 | 0V |
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| 35 |
| N.C. | ||||
18 |
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+5V |
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| 36 |
| SELECT IN | |||||
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