Pin No. Description Interface
Pin 0 Tx+/D+ RS-422/RS-485
Pin 1 Tx-/D-
Pin 2 Rx+
Pin 3 Rx-
Pin 4 TxD RS-232
Pin 5 RxD
Pin 6 GND
 
     
   
     
 
RSW1 – Rotary Switch for Baud rate setting
Location Baud Rate
0 115200
1 57600
2 38400
3 19200
4 9600
5~F NULL
 
 
SW1 – Switch for role and connection mode setting
Pin No. Description Location
1 Role

ON – Central/Broadcaster

OFF – Peripheral/Observer
2 Connection mode

ON – Advertisement mode

OFF – Connection mode