B&B Electronics SS-BLT-100PR - Manual - Manual (Page 8)

7
LED Indicators
Red Color LED：
Power indicator (When the power is on, the red color LED will be on all the
time
Green Color LED：
Before connecting to synchronize between the device and the “BT RS232
Config Tool” software, the green LED will be blinking
After connecting to synchronize between the device and the “BT RS232
Config Tool” software, the green & red LED will be blinked alternately