Appendixes
2 Specifications
• Interface Specifications
5. Interface pin assignment
The serial and parallel pin assignment tables are shown below.
Serial interface pin assignment table |
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Pin No. | Signal | Input/Output | Description | |
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1 | F.GND | Output | Frame ground | |
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2 | TXD | Output | ||
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3 | RXD | Input | ||
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4 | RTS | Output | ||
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5 | CTS | Input | ||
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| computer enabled | |
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6 | NC | − | Not connected | |
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7 | S.GND | Output | Signal ground | |
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8 | NC | − | Not connected | |
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9 | NC | − | Not connected | |
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10 | NC | − | Not connected | |
| 11 | NC | − | Not connected |
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| 12 | NC | − | Not connected |
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| 13 | L.GND | Output | Control system ground |
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| 14 | VCCs | Output | Control system power +5 V |
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| (max. service current 0.05A) |
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| 15 | NC | − | Not connected |
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| 16 | NC | − | Not connected |
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| 17 | NC | − | Not connected |
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| 18 | NC | − | Not connected |
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| 19 | NC | − | Not connected |
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| 20 | DTR | Output | |
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| enabled |
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| 21 | NC | − | Not connected |
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| 22 | NC | − | Not connected |
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| 23 | NC | − | Not connected |
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| 24 | NC | − | Not connected |
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| 25 | NC | − | Not connected |
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