Amphenol’s MRJ / MRJR series is designed to provide a standard RJ interface for harsh environments where Ethernet / IP protocol is used. The RJ45 MRJ series is Amphenol’s Generation 1 product. This series is sealed using epoxy and provides protection for IP67 applications per IEC 60529 specifications. The MRJR series is Amphenol’s Generation 2 product which consists of both the RJ11 and RJ45 modular jack connectors. The Generation 2 product utilizes gaskets and seals internal to the connector along with a unique resin impregnation technology. With the epoxy free design, this Generation 2 product can withstand the expansion and contraction of the connector materials while maintaining seal integrity. As shown here, the MRJR series is available in many options including right angle and vertical PCB and with or without LEDS.