All DLN-series adapters are fitted with a single status LED and several user-controlled LEDs. The number of user-controlled LEDs depends on the DLN adapter model.The status LED shows the current state of your device.Each of the user-controlled LEDs can be adjusted to a specific state by using the DlnLedSetState() function. For details, read LED States.
You can find out the number of available user-controlled LEDs by using the DlnLedGetCount() function.