The Crestron#174; ZUML-HUB4-SWPOE-26 is a preassembled lighting control cabinet for use with a Crestron Zum#174; lighting system. It contains a ZUM-HUB4 Zum hub, PW-2420RU power pack, and CEN-SWPOE-26 26-port PoE+ switch, mounted in a DIN-EN-3X18 enclosure.