The S2112-T4 from Saluki Technology is a Optical Time Domain Reflectometer (OTDR) with Event Dead Zone 0. 5 m, Optical Wavelength 1310 to 1625 nm, Dynamic Range 35 to 37 dB, Pulse Width 3 to 20000 ns. More details for S2112-T4 can be seen below. If you have any questions, please call the supplier, we will be happy to provide you with the best quality service! Shenzhen Speedwolf Technology Co. With the popularization of optical network construction in cities and countrysides, the measurement of optical network becomes short and. Note: Your Quotation Request will be directed to Saluki Technology.