14Installing and Using the 4-Port PoweredUSB Hub

2.6Port Electrical Specifications

The 4-Port PoweredUSB 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

supplyPoweredUSB 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

CyberData Corporation

930103D

Operations Guide