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CyberData Corporation 930103D Operations Guide
Installing and Using the 4-Port PoweredUSB Hub
14
2.6 Port Electrical Specifications
The 4-Port PoweredUSB Hub adheres to the USB 2.0 electrical specifications as follows:
Standard USB
lower A supply
Each lower portion of the PoweredUSB port provides +5V @ 500mA. If more than 500mA are drawn
from a port, that port goes into USB over current, the +5 volts is turned off, and the condition is
reported to the host according to USB 2.0 specifications.
PoweredUSB
supply
The listed maximum currents depend on the selected power supply. Both the +12V and +24V
PoweredUSB ports are protected with active over current circuits. If an over current condition
occurs, unplug the DC connection, remove the overcurrent condition, and re-cycle the DC
connection to the Hub by unplugging it, and then plugging it in again.
● +12V Ports (3) – 1.5A each
● +24V Port (1) – 2.3A