D-Link DU-H4 Hardware Installation, LED Indicators, Self-Power LED Indicator, Port status LED

Hardware Installation

1.Plug the included adapter into the rear of the 4-Port USB Hub and an available electrical outlet.

2.Plug the B -type connector into the “Upstream Port”.

3.Plug the A -type connector into a computer or USB Hub downstream port.

4.Connect USB devices to the Hub.

LED Indicators

The 4-Port USB Hub is equipped with LED indicators:

Self-Power LED Indicator:

This indicator lights red when the USB Hub is receiving power from external power source, otherwise, it is off.

Bus-Power LED Indicator:

This indicator lights green when the USB Hub is receiving power from USB bus, otherwise, it is off.

Port status LED:

Per port has one status LED. When the LED lights on, means the downstream port is working successfully. Otherwise, the LED light is off.

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