The Siemens BA 2xRJ45VD HA, bus adapter VVD (variable distance) is used for Ethernet communication via 2-, 4- or 8-wire-copper cables. 2xRJ45 sockets used for
industrial Ethernet and PROFINET. It has conformal coating and distances up to 2 wire up to 1000 m at 10 Mbit/s 2 wire up to 100 m at 100 Mbit/s 4 wire up to 300 m at 100 Mbit/s 8 wire up to 500 m at 100 Mbit/s . Installation altitude up to 4000m