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The available functions of Harbour 2.0 depend on the status of power
supplied:
z Bus powered
1. Connect the USB2.0 cable to your PC to provide bus power.
2. When you provide bus power only, the PS/2 mouse & keyboard,
RS232, printer and Ethernet ports will be enabled. However, the
USB2.0 Downstream Ports can also work under low power mode. So
used of externally power adaptor is recommended. (For the use of all
functions)
z Externally powered
1. Connect the power adapter to provide external power.
2. When you provide external power, the USB Downstream Ports can
support all USB devices, and you can use all the functions of Harbour
2.0.
1.6 LED Indicator (
Ref. Fig.2)
Harbour 2.0 User’s Manual
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