CyberData 10807 Manual do Utilizador descarregar pdf (Página 18)

Installing and Using the 4-Port PoweredUSB Hub

Port Electrical Specifications

Operations Guide 930103E CyberData Corporation

2.6 Port Electrical Specifications

The SiP VoIP and PoE Speaker adheres to the USB 2.0 electrical specifications as follows:

2.6.1 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.

2.6.2 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

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CyberData 10807 Manual do Utilizador Página 18