TROUBLESHOOTING & FAQ
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5.2 USB
Does the extender internally convert to PS/2 when handling keyboard and mouse?
No. This is a pure USB (emulation) solution. Converting to PS/2 would restrict the
possibilities of supporting other kinds of USB device.
Will the extender work with USB KVM switches?
The extender will operate with any USB KVM switch that is capable of supporting
both a mouse and keyboard composite device on its keyboard console port. Some
low-end switches only support a single keyboard device on this port in which case
there will be no mouse functionality when attaching the extender.
Is the extender a USB 1.1 or USB 2.0 device?
The extender operates as a full-speed composite USB device (12 Mb/s); this is
compatible with any USB 1.1 or 2.0 host. There may be some low-end KVM
equipment on the market that does not fully support composite devices and can only
handle low-speed devices. We will monitor the compatibility situation.
What USB devices are supported?
In the initial firmware release the following HID devices are supported:
Standard keyboards
Multimedia keys on some keyboards
Standard mice (including wheel)
USB – PS/2 converters
Composite KB/Mouse devices
Hubs
Other keyboard/mouse compatible devices (such as bar code scanners)
Please check with Technical Support regarding handling other devices such as
joysticks, laser mice, touch screens and graphics tablets.
Note: Mass storage devices (virtual media) cannot be supported.
May hubs be connected to the Remote Unit?
Yes. A maximum of four external hubs may be connected. Each port supports a
maximum of two hub layers.
How many devices may be connected to the Remote Unit?
Currently, a maximum of seven USB devices are supported. Note that a hub is a
USB device, and so a keyboard with an integral hub counts as two devices.
Each USB device may also have multiple HID interfaces. A keyboard with
multimedia keys usually has two USB interfaces. The extender currently supports a
maximum of five HID device interfaces.
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