ITW Linx has been manufacturing products for the telecommunications market for over 20 years. ITW Linx offers a full line of lightning and surge protection products covering the breadth of the AC, telecom and datacom markets. From rack mount solutions to pair by pair block protectors, it provides protection solutions from the most basic system, up to the latest technology. PRODUCT FEATURES: Solid State, Primary and Isolated Loop Protection for Power Over Ethernet, UL 497 and 497B; 12 ports, with replaceable 4-port modules; 110 Punch-down input to RJ45 output; Cat 5e per TIA 568-A and TIA 568-B; Single-height rack mountable chassis (1U).