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Port electrical specifications
The CyberData 4-Port PoweredUSB 2.0 Hub adheres to the USB 2.0 electrical specifications as
follows:
Standard USB
Each lower portion of the PoweredUSB port provides +5V @ 500mA. If more than 500mA are drawn
lower A supply
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
The listed maximum currents depend on the selected power supply. Both the +12V and +24V
supply
PoweredUSB ports are protected with active over current circuits. If an over current condition
occurs, unplug the DC connection, remove the over current condition, and re-cycle the DC
connection to the Hub by unplugging it, and plugging it in again.
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4-Port PoweredUSB 2.0 Hub with Dell Retail Integrator Kit 010776A
+12V Ports (3) – 1.5A each
+24V Port (1) – 2.3A
Chapter 1 Installing and using the Hub
Port electrical specifications
CyberData Corporation Rev C 2/06
19
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