APC Surge Protection Module for Digital Phone Line (T1 / CSU / DSU / ISDN / DLL), Replaceable, 1U, f Modular, Scalable Surge Protection for Network and Telecommunication Data lines. Includes: User Manual Features: Data-line Protection Replaceable surge protection modules Surge Protection Technical Specifications Number of Outlets 1 Peak Current Normal Mode 0.20 kAmps Peak Current Common Mode 0.25 kAmps NM Surge Response Time (ns) 1 ns Dataline protection RJ45 ISDN / T1 protection Data Lines Protected(multi-line only) 1-8 Net weight 0 lbs. ( 0 kg ) Maximum height 1.72 inches ( 4.37 cm ) Maximum width 0.73 inches ( 1.85 cm ) Maximum depth 2.72 inches ( 6.91 cm ) Shipping Weight 0.11 lbs. ( 0.05 kg ) Shipping Height 3.90 inches ( 9.91 cm ) Shipping Width 1.30 inches ( 3.30 cm ) Shipping Depth 3.75 inches ( 9.53 cm ) Master Carton Units 96 Master Carton Dimensions 25.125 X 16.25 X 8.125 Master Carton Weight 15 lbs. SCC Codes 3073130420337 8 Color Black Operating Environment -15 - 45 °C ( 5 - 113 °F ) Operating Relative Humidity 0 - 95 % Operating Elevation 0-10000 feet ( 0-3000 meters ) Storage Temperature -15 - 45 °C ( 5 - 113 °F ) Storage Relative Humidity 0 - 95 % Storage Elevation 0-10000 feet ( 0-3000 meters ) Approvals cUL Recognized, CE, UL 497A, VDE Standard warranty Lifetime