TRENDnet s TI PG541 is a reliable IP30 unmanaged PoE+ DIN rail switch with hardened components rated for extreme industrial environments. It offers four Gigabit PoE+ ports Ports 1 4 802.3at one Gigabit port one SFP slot and a full PoE power budget of 120 Watts. Dual redundant power inputs power adapter sold separately with overload current protection support zero downtime requirements. An alarm output can be triggered by a primary and/or redundant power failure.