... 8,16mDistance range0.4,0.8,1.6,3.2,6.4,16,32,64,128,256, ... 512km(SMF);0.4,0.8,1.6,3.2,6.4,16,32 (MMF of 850nm) ... 0.00001steps)Distance unitkm,m,kft,ftDisplay640×480, 6.5 inch TFT-LCD (touch screen)InterfaceUSB, Min ... short optical fiber and pigtail optical fiber.High-speed auto analyzationJX8002 can quickly determine and ... Updating application software on-line JIAXUN High Performance Optical OTDR - JX8002