We warrant to the original end user (purchaser) that all the product will be free from any defects in workmanship or materials for two (2) years from the date of purchase from the dealer. To find the specific warranty that applies to your product, visit Cisco's Warranty Finder. NOTE: THIS WARRANTY POLICY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
[pdf] Think About the Number of Devices A simple rule is that each device needs two cores—one for sending and one for receiving data. Made from either high-quality. The number of optical cores in an optical fiber is the total number of equipment interfaces multiplied by 2, plus 10% to 20% of the spare quantity, and if the communication mode of the equipment has serial communication and equipment multiplexing, you can reduce the number of cores. They are typically made of high-quality glass. Common fiber cores include 1 core, 2 cores, 6 cores, 8 cores, etc. Understanding Fiber Cores: Core: The central glass fiber that transmits light signals.
[pdf] The structure of GYXTS optical cable is a loose tube made of high–modulus polyester material for single– mode or multi–mode fiber, and the sleeve is filled with waterproof compound. We manufacture high quality products according to European and US standards. GYXTS is a steel-reinforced, polyethylene-sheathed outdoor fiber optic cable designed for duct and conduit installations. The loose tube is armored with steel wires and corrugated steel tape.
[pdf] BiDi modules are transceivers that can send and receive at the same time over one fiber cable using two wavelengths. This full-duplex allows both directions without requiring a separate fiber for receiving. Instead of using separate fibers for transmit and receive signals, BiDi modules rely on wavelength division multiplexing (WDM) to send signals in opposite. A BiDi SFP module is a bidirectional fiber optic transceiver that enables simultaneous transmit and receive over a single strand of single-mode fiber, instead of the traditional two-fiber setup.
[pdf] A single fiber-optic cable runs from the OLT to a nonpowered (passive) optical beam splitter, which multiplies the signal and relays it to many optical network terminals (ONTs). End-user devices such as PCs and telephones are connected to the ONTs. Passive optical networking (PON), like active optical networking, uses fiber-optic cabling to provide Ethernet connectivity from a main data source to endpoints.
[pdf] 
