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