The CMSP-CAT6-2 Surge Protector provides surge protection for up to two Ethernet lines using 10/100/1000 data rates. The use of ultra-low capacitance diodes ensures superior high frequency response and improved return loss for the four data pairs on each line under surge protection. The unit is 802.3af Power over Ethernet, Power-over-Ethernet (PoE) compatible for normal or reverse polarity systems. The rugged aluminum chassis can be wall or shelf mounted. Mounting holes are provided on the unit. The individual protector modules are field replaceable. This protector is also available in a 4-port version, L-com part number CMSP-CAT6-4.