BLE RS-232 adapter user manual V1.1
2017.06.07
3
2.4 RS232 Interface (Female)
Pin
Signal
DTE Direction
DCE Direction
Description
1
N/A
2
TxD
Output
Input
Transmitted data
3
RxD
Input
Output
Received data
4
N/A
5
GND
Ground
6
N/A
7
CTS
Input
Output
Clear to send
8
RTS
Output
Input
Request to send (Default)
9
VCC
Power Input (5~27 VDC)
3. Power supply:
3.1 Voltage: 5~27 VDC,
Don’t exceed the limit.
3.2 There’re 3 ways to power the adapter: Mini USB, Terminal Block and pin9 of DB9,
please choose one.
Don’t power the adapter by more than two sources.
3.3 The mini USB cable is inside the standard package.
4. Specifications:
4.1 Default value:
Baud rate: 9,600 bps
Data bit: 8
Parity: none
Stop bit: 1
Flow control: none
Device Name: BLE 232
4.2 All function of COM port:
Baud Rate: 1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2/230.4/460.8/921.6 Kbps
Parity: none/even/odd
Stop bit: 1/1.5/2
Data bit: 7/8
Remark: The GATT service and AT command will support all the functions, please
check the page 4 section 5 and page 5 section 6.
4.3 Range: max. 50 m in open space
4.4 TX Power: Max. 3 dBm
4.5 RX Sensitivity: -89 dBm typical
4.6 TX current consumption of 15.6 mA (radio only, 0 dbm)
