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CyberData Corporation 930232A Operations Guide
Installing and Using the 4-Port PoweredUSB Hub
Operation
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Figure 2-11. Cables; +12V PoweredUSB to +12V Power Jack and RS-232 to RS-232
Figure 2-12. RS232 to USB Converter “Y” Cable +12V (PC Enumerates this device as an RS-232 COM port)
2.5 Operation
The SiP VoIP and PoE Speaker is a standard USB Hub that complies with the USB 2.0 specification,
and adds PoweredUSB ports. When connected to a Host, it is enumerated as a Generic USB Hub. This
Hub also meets the PoweredUSB .08g specification. For more information about this specification,
go to www.poweredusb.org.
POS peripheral
ca
veat
According to the USB 2.0 specification, devices attached to a USB interface should enumerate from
the Hub’s USB Vbus, regardless of the PoweredUSB powered ports. Some POS devices do not
comply with this specification, and will not enumerate unless the upper sections of the PoweredUSB
ports are active.