The Green and Red status LEDs are located on the top of the DS100. The LEDs display various status information depending on what firmware is running at the moment. Follow the links below to learn more about the behaviour of these LEDs under different conditions:
There are also two Ethernet Status LEDs- Green and Red- located next to the RJ45 Ethernet connector. The Green LED is normally ON, and is temporarily turned off whenever the EM100 receives a network packet. The Red LED is normally OFF, and is turned on momentarily whenever a data collision is detected on the Ethernet.