2015.03.20
V1.0
2
3.3 Check the RS-232 setting on 2 sides if they both have the following values:
Baud rate: 115200 bps
Data bit: 8
Parity: Master or Slave
Stop bit: 1
If not, please modify the setting by using hyper terminal software and the setup
command via COM port.
3.4 Baud rate setting by PC software
3.5 Pairing setting:
3.5.1 First, the group first RS232 Transporter individual selected Master or slave.
3.5.2 Then press the pairing button.
3.5.3 After the LED lights flashing three times, it means the pairing is complete.
4. RS232 Interface
4.1 Pin out
4.2 Signals:
Pin
Signal
DTE
DCE
Description
1
CD
Input
Output
Not connected
2
TxD
Output
Input
Transmitted data
3
RxD
Input
Output
Received data
4
DSR
Input
Output
Contact manufacturer to set this
5
GND
N/A
N/A
Signal ground
6
DTR
Output
Input
Contact manufacturer to set this
7
CTS
Input
Output
Clear to send
8
RTS
Output
Input
Request to send (Default)
9
Vcc
Input
Input
Power supply (5VDC, 1.5A Max.)
5. Specifications:
Support UART Interface(Half-duplex Transmission)
Support Two-wire(TXD / RXD )and Four-wire(TXD / RXD / CTS / RTS switching
Frequency bands: 433 MHz@FSK modulation
TX power: up to 17 dBm @ 433.92MHz
Support text and File data RF Transmitter
Low consumption: TX: 30mA, RX: 14mA @10dBm
RF Data Rate : 100 Kbps
Distance: 200-300m
Receiver Sensitivity: -103 dBm @250K bps
Support software and API setting for Baud rate option
