Amphenol PCD´s RJF544 Series and RJFEZ Series Industrial Ethernet Connection System allows you to use an Ethernet Class D / Cat. 5e connection for 10 BaseT, 100 BaseTX or 1000 BaseT networks in harsh environments. With the patented RJStop® system, you can use a standard RJ45 cordset in a protective composite plug which will protect it from shocks, dust, and fluids to IP68 standards. The Amphenol PCD RJF544 Industrial Ethernet Connection System features a quick push-pull coupling and the RJFEZ features a quick lever coupling, and there is no hazardous on-field cabling and grounding.