*NOTE: In “422” mode, the ECHO setting is not used.
*The Echo mode is useful for detecting if there is data collision occurring on
DB9 Pin Assignment
DB9 Pin |
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1 | TxD - | Data + |
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2 | TxD + | Data - |
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3 | RxD + | NC |
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4 | RxD - | NC |
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5 | GND | GND |
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6 | NC | NC |
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7 | NC | NC |
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8 | NC | NC |
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9 | NC | NC |
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4