Chapter 1 Installing and using the Hub
Port electrical specifications
4-Port PoweredUSB 2.0 Hub with Dell Retail Integrator Kit 010776A
CyberData Corporation Rev C 2/06
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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
lower A supply
Each lower portion of the PoweredUSB port pr5V @ 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 over current condition, and re-cycle the DC
connection to the Hub by unplugging it, and plugging it in again.
●
+12V Ports (3) – 1.5A each
●
+24V Port (1) – 2.3A
