Sun Telecom’s SUN-OT5000 Series Handheld OTDR is the newest instrument designed for testing FTTx network. It's mainly used to measure the physical characteristics of optical fiber under test, such as the length、the transmission loss and the splice loss etc. It can also locate the faults or breaks of optical fiber. SUN-OT5000 Series OTDR is widely applied in the manufacture, construction and maintenance in optical fiber communication system. SUN-OT5000 Series is multilingual, handy, safe and smart. It enables convenient events review and analysis.