What does the LINK/ACT indicator on the switch stand for?
If the connection is established, the LINK/ACTLED light does not turn on, or the switch cannot communicate with the connected computer or network segment.
Make sure that you are using the correct cabling conforming to specifications (e.g., type, length, etc.).
Make sure the power switch for the connection device is turned on.
Link/ACT refers to the connection / activity instructions, can be used to observe whether the link is activated or connected, the general situation is connected when the long bright, there is data transmission flashing.
