Ask the cat on the Internet what does the indicator light mean?
After the Internet, if there is a Link light flashing, indicating that ADSL is not synchronized, then the network is in a state of interruption, in most cases, there is a line fault.
After the cat power, there is a minute of synchronization process, synchronization success, Link lights are always bright, and some brands of cat Link lights with data transceiver light, will be accompanied by data transmission flashing
The Link light is the connecting indicator light for the cat and the local DSLAM device. Usually the Link light is rhythmically flashing, indicating that the ADSL data link is in trial synchronization, and the link is not connected at this time.
Different brands, different types of cat lights vary in number. But they all have Link lights, LAN lights and Power lights.
ADSL cat indicator light is an important tool for judging ADSL faults.