User manual

host or to an USB-Hub) the LED will turn on.
Additionaly, the green LED can be switched off and on via software command. This way, when more than
one device is used at a single host system, a special device can be identified optically by setting / resetting
the LED.
Yellow Led
The yellow LED signals USB connection status and traffic. Default status after successfully establishing the
USB link is on. With every USB transfer a short blink is initiated. Therefore blinking speed can be a measure
of USB traffic.
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