Chapter Two •
2.2 RS-232C Interface
The
Use
The
8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
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15 14 13 12 11 10 9
Figure
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| Pin # | Terminal | Input/Output |
| Level | Function |
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| 1 | GND |
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| GROUND | GROUND |
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| 2 | TXD | OUTPUT |
| Transmission Output |
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| 3 | RXD | INPUT |
| Reception Input |
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| 4 | DTR | OUTPUT |
| Reception Permission |
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| 5 | No Connection |
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| 6 | No Connection |
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| 7 | No Connection |
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| 8 | No Connection |
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| 9 | No Connection |
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| 10 | No Connection |
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| 11 | GND |
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| GROUND | GROUND |
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| 12 | No Connection |
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| 13 | AUX 1 | OUTPUT |
| TTL | Video Indicator Output |
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| 14 | AUX 2 | OUTPUT |
| TTL | Always High Output |
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| 15 | GND |
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| GROUND | Ground |
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v. 1.0 • 1/96 |
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