Link Slow (yellow): Always on indicates correct message reception at 2/3.3/5 Mbit/s; Flashing indicates receiving message but configuration mode does not match; Constant extinction indicates that no message of the corresponding rate has been detected.
Link Fast (white): Always on indicates correct message reception at 32 Mbit/s; Flashing indicates receiving message but configuration mode does not match; Constant extinction indicates that no 32 Mbit/s message has been detected.
Error (red): Constant light indicates watchdog alarm; Flashing indicates running 'Golden FPGA Flash Rescue mode' (firmware recovery mode); Constant extinction is a normal state.
Common problems encountered in software configuration or use, such as abnormal signal reception, data loss, etc., can be quickly located by combining the above LED status with software diagnostic information (such as error counters, DMA buffer status).
