10. OPTIONAL SA-K97U RS-232C INTERFACE BOARD
10-2. SA-K97U Specifications
9-pin connector specifications
Pin NO. | Signals | Operations | Direction of signals |
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2 | RXD | Receive data | VTR p CPU |
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| 6 | |
3 | TXD | Transmit data | VTR [ CPU | ||
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| 9 | |
4 | DTR | Data terminal ready | VTR [ CPU | ||
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5 | GND | Signal ground |
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6 | DSR | Data set ready | VTR p CPU |
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Output level
ON : +5 V or more
OFF:
Data format
5 | Mode | : | |
5 | Character length | : | 8 bits |
5 | Data rate | : 1200, 2400, 4800, 9600 bps | |
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| (switched with function menu switch, set to 9600 bps before shipment) |
5 | Parity check | : No | |
5 | Stop bit | : | 1 bit |
1
2
3
4
5
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