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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
lo
wer 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
The 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