GPIB/IEEE-488
Female GPIB/IEEE-488 connector
| Pin | Name | Description |
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| 1 | DIO1 | Data input/output bit 1 |
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| 2 | DIO2 | Data input/output bit 2 |
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| 3 | DIO3 | Data input/output bit 3 |
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| 4 | DIO4 | Data input/output bit 4 |
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| 5 | EOI | End-or-identify |
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| 6 | DAV | Data valid |
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| 7 | NRFD | Not ready for data |
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| 8 | NDAC | Not data accepted |
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| 9 | IFC | Interface clear |
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| 10 | SRQ | Service request |
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| 11 | ATN | Attention |
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| 12 | SHIELD | Earth |
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| 13 | DIO5 | Data input/output bit 5 |
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| 14 | DIO6 | Data input/output bit 6 |
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| 15 | DIO7 | Data input/output bit 7 |
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| 16 | DIO8 | Data input/output bit 8 |
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| 17 | REN | Remote enable |
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| 18 | GND | (wire twisted with DAV) |
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| 19 | GND | (wire twisted with NRFD) |
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| 20 | GND | (wire twisted with NDAC) |
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| 21 | GND | (wire twisted with IFC) |
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| 22 | GND | (wire twisted with SRQ) |
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| 23 | GND | (wire twisted with ATN) |
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| 24 | Signal GND | Ground |
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