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What is the maximum cable length for Adder RC4?
Thank you for your inquiry,

While the maximum distance is not something that Adder has tested for the RC4, we have some customers using them with a 25ft cables, and we just had our tech team test a 50ft and 2x 50ft cables with a coupler for a total of 100ft.

Hope that helps!

Please let us know if there is anything else we can help you with!
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Can this be wired to control a SmartAVI quad kvm via RS232
Thank you for your inquiry,

It is possible; however, as we\'re unable to test this configuration personally, we cannot guarantee this combination.
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