User's Manual

3
RS232 interface
Status i nd i cator (g reen)
Operation ind i cator (red)
M ode sw i tch button ( CM D button)
Pow er ind i cator (red)
Power interface
RS232 port:
Pin No Signal
1 VCC
2 TXD
3 RXD
4 Nc
5 GND
6 Nc
7 CTS
8 RTS
9 VCC
The BLE serial adapter provides standard RS - 232 interface and support multiple serial port
modes.
The equipment RS - 232 DB9 pin is capable of power supply and can be used for user - developed
equipment. 1. pin 9 is VCC, pin 5 is GND, 6 ~ 9VDC, 100mA rated current.
Power Interface:
6 VDC, 200mA rated current; internal positive and external negative.
The positive and negative poles of the power supply cannot be reversed or the products
will be burnt out.
Indicator:
Name
Description
Status Indicator
Configuration Mode Off
No connection Blink every 1 second
Connected Off
Operation Indicator
Configuration Mode Off
The Slave Device Blink once every 2 seconds
The Master Device Blink once every 5 seconds
In the parameter setting state, press the CMD button again, and the device exits the parameter