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CyberData Corporation 930232A Operations Guide
Installing and Using the 4-Port PoweredUSB Hub
Port Electrical Specifications
12
2.6 Port Electrical Specifications
The SiP VoIP and PoE Speaker 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
su
pply
T
he listed maximum currents depend on the selected power supply. The +12V 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