The Transtector DXR (Digital Exchange Rack Protector) is ideal for applications that require protection for T1/E1, 10/100BT and 1000BT. The Quad box housing kit provides an empty chassis that can be populated with a variety of signal protection cards ranging from 10/100BT to Gigabit Ethernet. ClickTranstector DXR Quad Box Housing Kit (1000-1188-4) Features:Modular, reconfigurable, cross connect surge protector for T1/E1, Ethernet GbE and DS3 multi-protocol installationsFused for power cross eventsLeadless, non-degrading silicon diode technologyFront panel accessiblePanel, wall or rack mountableDS3 live monitoringProtects up to four protocols in one unitUL 497ATranstector DXR Quad Box Housing Kit (1000-1188-4) Specifications:Mount Type: Wall or 19″ rack mountReceptacle: 14-gauge aluminumStandards: UL 497A NEC 800.100 and 830.100Connector: Module SpecificData Rate: Module SpecificOther Features: Designed to be mounted to almost any type of panel surfaceWeight (Pounds): 0.7Weight (Kilograms): 0.3Dimensions (Inches): 3.3 x 5.5 x 3.7Dimensions (cm): 8.4 x 13.9 x 9.4