hardware device

An LED Status indicator is a light-emitting diode used to visually communicate the immediate operational state, health, or connectivity of an electronic device. By varying colors (like green, amber, or red) and behaviors (solid, blinking, or off), these small lights allow users and technicians to troubleshoot hardware without needing a screen or diagnostic interface. Common LED Color Meanings

While exact definitions vary by manufacturer, most industry hardware adheres to standard universal color coding: CCNA Networks 1-3: Switch LED Indicators