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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