Fluke Networks Fiber Test Kit measures power or power loss in optical fiber links used in premise wiring and LAN networks. The DSP-FTK kit is compatible with the DSP Series cable testers, OneTouch Network Assistant and Enterprise LANMeter test tools.The Fiber Optic Test Kit includes an optical power meter (DSP-FOM), combination 850/1300 nm LED power source (DSP-FOS), multimode ST-ST patch cables (2), multimode ST-ST adapter (1), instruction sheet and instrument case.