Model 4897L GPIB Hi-Speed Bus Extender extends the GPIB bus more than 15 km. Dual fiber optic and metallic cable interfaces transfer data at rates greater than 660 Kbytes/sec. Use the 4897L with a metallic cable up to 500 feet and with a single-mode fiber optic cable up to 15 km. IEEE-488.2 compatible. Download the 4897L Data Sheet as a PDF file.