Elektronik GmbH
USB hub 3.0 6-Port, 2 Control Inputs
Manual
Page 7 of 18
5.2. Construction
Figure 3: Construction of a USB hub
5.3. Display Front Connections
USB port turned off
USB port turned on, but no device connected (power draw <1 mA).
This function can be turned off.
USB port turned on
Charging active (lit)
Only if no standard port (SDP).
Charging ended (dark)
Only if no standard port (SDP).
5.4. Display Back Side
USB hub turned on
Communication between controller and PC.
Fuse has blown. Correct cause of fault and replace the fuse.
5.5. Pin Assignments on Parallel Input
GND
GND
Port 5
Port 3
Port 1
GND
GND
Port 6
Port 4
Port 2
Connecting an input pin to positive voltage (high level) or leaving it open has the same effect. The signal only
changes when connected to GND potential (low level). Whether the port turns on at the high or the low level can be
configured.
Hub
Hub
Port 3 - 6
Port 1 - 2
USB in
Control
Mux 2:1
Ctrl in