brief introduction： Generally speaking, each network card has more than 1 LED (Light Emitting Diode) indicator, used to represent the different working state of the network card, to facilitate us to check whether the network card is working properly. Typical LED indicators include LINK/ACT, FULL, POWER, etc. LINK/ACT denotes the active state of the connection, FULL denotes whether it is Full Duplex, and POWER is the Power indicator. LED lamp operation needs additional drive circuit to achieve LED array control, LED

LED Indicator Arrays

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