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does this system have to be on a network to work have two different lan connections dont want to cross
Thank you for your inquiry. This unit does not require a network connection to operate. the Network port you see in the image is actually an Options port for either adding the optional remote control or for connecting to a computer to make firmware upgrades using the included flash upgrade cable.
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Can you tell me how may VSC40 cables are supplied with the "standard" four (4) port Adder purchase?
Thank you for your inquiry. The Unit will ship with one VSC40 flash up grade cable.
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can you tell me how to get the drivers for this device
Firmware updates for the ADDER CCS4USB and FreeFlow software can be located here: http://www.adder.com/firmware-updates.
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The diagram shows one monitor per PC. Can the PC(s) connected use multiple monitors?
Thank you for your inquiry. Yes, the latest version of the Adder Free-Flow firmware does support multi-monitor computers (available on Windows operating systems only).

It does require the installation of the appropriate driver. From the manual, "In order to use Multi-Monitor mode you will need to install a Multi-Monitor Free-Flow driver (available for download from the Adder website www.adder.com/products/adder-freeflow#downloads onto each PC that has multiple monitors attached."
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Can Hot Keys be programmed into this switch that can be directed to Only a certain PC Port?
Thank you for your inquiry. Unfortunately, the only programing of the hot keys is to change the default [CTRL] + [ALT] combo in case it conflicts with other software.
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