The DTK-VM2M24 from Ditek is a Versa Module 2 - 24V Surge Module for VM2W4/VM2W8/VM2R24, 4 pair - Shielded RJ45 In/Out. DITEK’s Versa-Module 2 Series is a unique, modular solution for protecting various combinations of signaling, data and low voltage power circuits. With the option of 4, 8 and 24 channel enclosures, the VM2 Series offers a vast array of customizable solutions for every application. Its rapid-replacement modules, available in both RJ45 and screw terminal configurations, and single point grounding makes installation and service replacement a breeze.