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<Chapter 7> Transmission Interface
7-1 OP-01 RS232/RS485 Serial Output (with RTC)
CN3 CN2
1 2 3 | 1 2 3 |
To short 1 and 2 pins is RS485 output.
To short 2 and 3 pins is RS232 output.
2Pin Allocation of Rear Panel
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| Pin | Function |
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| 2 | RXD |
5 | 4 | 3 | 2 | 1 | 3 | TXD |
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9 | 8 | 7 | 6 |
| 5 | SG |
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| 6 | DA |
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| 7 | DB |
4RS485 interface is capable to connect up to 10
FM User Manual | 24 | SME300000119 |