JD089BST Compatible RJ45 Transceiver Module, Full Duplex. The JD089BST is an HP JD089B compatible copper transceiver module that has been designed, programmed and tested to work with HP brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1000BASE-T compliant networks, with a maximum distance of up to 100 m (328 ft).