4 Port USB Hub
4
3. Connecting
Before using this device, it must be connected to your computer. Follow the
instructions below for doing this safely.
Note:
Switch off your computer before connecting the USB Hub.
3.1 Description of the 4 Port USB Hub
Figure 1: Front side of the device
The LED A will light up once the power supply adapter has been connected to the
USB Hub. The other four LEDs (g) will also light up.
If an LED (B) is no longer lit, this means that the USB port is overloaded or short-
circuited.
LED
On
Off
A
Power supply adapter is
connected
Power supply adapter is
not connected
B
Port is ready for use or
already in use
Port is short circuited or
overloaded
Table 1 Overview of LED status
A
B
C
Figure 2: Back side of device
