The Burk Plus-X Dual IP-8 Adapter lets you quickly and easily upgrade your legacy ARC-16 without rewiring. It connects to up to two ARC-16 IP-8s using the same DB37 cables as the ARC-16. Not a single channel needs to be rewired to upgrade to the ARC Plus, saving hours of work.The Plus-X Dual IP-8 Adapter includes all the I/O needed for up to 16 channels, eliminating the need for additional input and output units.With its 256-channel capacity and Ethernet I/O architecture, a single ARC Plus can replace multiple ARC-16 systems. Simply install a Plus-X Dual IP-8 Adapter at each site.Burk Plus-X Dual IP-8 Adapter Features:Connects to two IP-8sProvides ARC Plus access to existing IP-8s without rewiringEthernet link to ARC Plus