Description Feature: 1. MAIN PURPOSE: Mainly used to compensate for the OTDR test blind spot, for measuring the loss and reflectivity of near end connection. 2. SINGLE MODE: The OTDR launch cable adopts SCUPCSCAPC single mode connector, suitable for single mode cable 1310/1550nm. 3. EASY OPERATION: Press cover design, easy to take out the jumper and use it. After using and rewiring it, you can press it again to store the jumper. 4. ENOUGH LENGTH: The fiber optic testing extension cable has sufficient length and is suitable for more fiber optic lines, convenient and practical. 5. COMPACT SIZE: The extension cable has a compact size and light weight, easy to use and carry, suitable for various electrical application. Specification: Item Type: OTDR Launch Cable Model: AUA-20 Connector: SCUPC-SCAPC Single Mode. Package List: 1 x Extension Cable2 x Accessories1 x Hanging Rope Note: Most of the cable length of the product is bare fiber, and it cannot be removed. Only about one meter of interface pigtails are left at both ends.