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2.2. RS-232 Interface
2.2.1. Pin-out
2.2.2. Signals
Pin Number
Signal
1
DCD
2
TxD
3
RxD
4
DSR
5
GND
6
DTR
7
CTS
8
RTS
9
Vcc
Remark1) The default hardware configuration is for using CTS. If you want to use DSR, please
contact us.
2.3. Factory Setting
The following is the factory setting of COM port.
Baud rate: 9600 bps
Data Bit: 8 bit
Parity Bit: No parity
Stop Bit: 1 stop bit
Flow control: None
Direction
Description
Output
Data Carrier Detect
Output
Transmitted Data
Input
Received Data
N/A (Input)
Option: Data Set Ready
N/A
Signal Ground
Output
Data Terminal Ready
Input
Clear to Send
Output
Request to Send
Input
Power Supply
(Remark1)
(Remark1)
5
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