WDM technology combines or multiplexes light at different wavelengths and later separates or de-multiplexes it. This type of cable uses a method known as Wave Division Multiplexing (WDM) to increase the amount of data traffic that each individual strand is able to carry. They also feature extremely thin optical glass strands and a smaller core. In contrast, single-mode fiber optic cables use lasers to generate light. However, the different modes do not move at the same speed: the light that travels down the middle of the fiber is generally slower. Multi-mode fiber is able to transport multiple light rays - or modes - all at once. The two main types of fiber optic cables are:Ī multi-mode optical fiber cable uses LEDs to generate the light signal. A further protective tube holds all the strands securely in place and protects them from the environment.įiber optic cables have many applications in various industries, as well as a number of advantages compared to standard long-distance copper cables. Some cable types also feature light-absorbing dark glass in between the optical strands to prevent light leaks and cross-talk between strands.Įach individual glass fiber strand is protected by insulated casing, which is typically made of plastic.
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That helps keep signal loss to a minimum and ensures that the light is able to navigate any bends in the cable successfully. The core is surrounded by glass coating, also known as cladding, whose job is to reflect the light inward. Each strand has a hollow core that acts as a tunnel or a pathway for the light signals. The light signal may be generated by either light-emitting diodes (LEDs) or small lasers.Ī fiber optic cable consists of strands of glass or optical fibers, each of which is about as thick as a human hair. Here, you can see our equipments and test methods.Fiber optic cables are network cables that transmit communication signals in the form of light pulses. Each product must pass 100% test to ensure that all the products are reliable, good consistency and meet the international standards. We use highly reliable testing equipment.
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NOTE:One ziplock bag for one MPO/MTP loopback. You know, All optical modules are self-contained with Guide PIN, it means male MPO connector inside, so when connection between MPO cable and optical module, the MPO connector on cable must be the female connector.
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Type2: Connection between MPO and optical module
#Om3 loopback cable how to#
How to confirm the MPO connector what you need is male or female? Type1: Connection between MPO and MPOĬonnection between two MPO connectors, which must be one MPO connector is Female and another one must be Male. There are several MPO housing colors to choose, which are generally determined according to different fiber types.Īccording to the optical transceiver and MPO/MTP cable polarity, the MPO/MTP Loopback channels show as images: TYPE A, TYPE B, TYPE Cīefore produce, it is necessary to confirm whether MPO connector is male or female.įemale, without guide PINS Male, with guide PINS The streamlined and rugged housing design provides greater stability and reliability.ġ.SM or MM available PC(plane) or APC(8 degree) available.Ģ.High quality ferrule and accurate alignment PIN and PIN hole.ģ.Standard Insertion Loss and Low Insertion loss are available.Ĥ.Connector compliant with IEC 61754-7(Type MPO connector family) and RoHS standard.ġ.Aging test for MPO / MTP network component system.ĥ.40G/100G QSFP optical transceiver test. The product is a high-density compact type, including 8-core QSFP, 12-core or 24-core, SM or MM MPO male or female. This MPO loopback provides an effective and simple solution for the performance test of optical modules (optical transceiver), testing the transmission capability and receiving sensitivity of network equipment, especially the data center link test. The optical path is transmitted inner one connector, that is, the loop function is realized. MPO loopback, also called MPO jumper looper, is to pass both ends of a section of optical fiber into an MPO connector, and the optical path enters from several channels and exits from the other channels.