GE 97847 User Manual

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6
IV. 
Power Mode Setting
There are two power mode options for the GE 
Rotating USB 2.0 4-Port Hub.
The fi rst is self-power mode (recommended), 
which requires the use of the optional AC 
power adapter (Available at Jascoproducts.
com). In this mode, each port is provided with 
500 milliamps, allowing for additional hubs, 
cameras and other high-powered devices.
The second is bus-power mode, which does 
NOT require the use of the optional AC power 
adapter. In this mode, the hub is provided with 
500 milliamps for all 4 ports. This should be 
adequate for mice, keyboards, and other low 
power devices. If you are not sure or if device 
performance is poor, use the optional AC 
adapter. When using the optional AC power 
adapter, make sure the plug is properly con-
nected to the hub and to a standard electrical 
outlet. GE Surge protection is recommended.