BLE RS-232 adapter user manual V1.0
2018.05.22
3
Pin
Signal
DTE Direction
DCE Direction
Description
1
N/A
2
RxD
Output
Input
Transmitted data
3
TxD
Input
Output
Received data
4
N/A
5
GND
Ground
6
N/A
7
RTS
Input
Output
Clear to send
8
CTS
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, 2P Terminal Block (Blue) and pin9
of DB9, please choose one.
Don’t power the adapter by more than one source.
3.3 The mini USB to type A 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
Pin code:“123456” if necessary
4.2 Serial 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 (The range is depend on the real environment)
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)
4.7 Operation Temperature: –40 °C to +70 °C
4.8 Dimensions: 87 mm (L) x 34 mm (W) x 18 mm (H)
4.9 Antenna Gain: max. 2 dB
Remark: All contents are subject to change without notice.
