Until March 31st, 2019, you can trade in your end-of-life Avocent/Emerson or Black Box enterprise KVM equipment for credit toward the award-winning Emerald™ KVM-over-IP system. Emerald is a future-proof KVM matrix switching solution that supports HD and 4K video at 60 Hz and 10-bit color depth. It’s ideal for use in broadcasting, healthcare, public safety, defense or any other application that requires high-performance KVM technology.