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USB Extenders

The following is a list of known issues with USB Extenders found in Firmware Version

1.01.0003.

Unsupported USB Extenders – Specific USB extenders that have integrated hubs may not

be supported. These devices may have multiple USB connections or only a single port. The

list below documents devices that have been tested and are known to work.

Powering USB Hubs and Extenders – It is highly recommended that USB hubs and

extenders be powered directly using the manufacturer’s power solution. The Annotator 300

provides up to 500mA of power to each USB connection but this is sometimes not sufficient

to power all downstream peripherals which can include more hubs and extenders. Failing to

directly power the connected hubs and extenders can result in unstable USB connectivity and

intermittent loss of annotation.

Tested USB Extenders

The table below lists the USB extenders tested and confirmed to be working with the Annotator

300 firmware mentioned. USB extenders do not require drivers so the Annotator 300 will

support more than what is listed but it is not guaranteed unless listed.

Manufacturer Model

Annotator300

Firmware Remarks

Aten UCE60 1.00.0005 

Extron USBExtenderSeries 1.00.0005 Allmodelsaresupported

Extron FOXUSBExtenders 1.00.0005 Allmodelsaresupported

Icron USBRanger2101/2104 1.00.0005 IcronfirmwareversionU08required

IOGear GUCE51 1.00.0005 

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ViewSonic VX2258wm User Manual Page 5