Transition Networks Transceiver 10Mb LAN 10Base-T, 10Base-5 (coax), AUI RJ-45 / 15 pin D-Sub (DB-15) up to 328 ft. This Attachment Unit Interface (AUI) transceiver provides a method for connecting a workstation, or any other device with an AUI port, to twisted pair cabling in a 10BASE-T network. Devices with AUI ports could include: servers, hubs, bridges and routers. The E-TBT-MC05 transceiver allows twisted pair, UTP or STP, to be connected to these AUI ports. Provides a complete interface of the AUI to Ethernet UTP cable. Supports data transfer rate of 10Mbps CSMA/CD access mechanism Capable of driving the UTP cable segment up to 100 meters (328 ft.) without the use of a repeater Selectable Link test and SQE test functions AUI locking post design allows the E-TBT-MC05 to directly attach to a host’s AUI connector Can be used with or without an AUI cable indicators for network monitoring and diagnosing The RJ-45 port will automatically detect and reverse the polarity on the receive pair if needed. This transceiver 10mb lan 10base-t, 10base-5 (coax), aui rj-45 / 15 pin d-sub (db-15) up to 328 ft is a great transceivers & multiplexers tranceivers & tranceiver modules item at a reduced price you can't miss. It is a brand new item that comes to you packed well and ships fast!