Designed for use with Johnson Controls N2 or BACnet MS/TP bus control systems, this network repeater isolates and boosts RS-485 signals to connect bus segments without expensive wiring requirements.The device operates off 24VAC power. Electrical surge protection with 1,500VAC isolation helps shield the host computer from destructive noise spikes and other transient signals.The compact units are ready to mount on any surface and can be installed in a NEMA enclosure for harsh environments.