1. Knowledge of OTDR extension cable The OTDR extension cable is similar to the optical fiber jumper. There is no fusion point in the middle of the optical fiber. During the optical fiber test, the OTDR extension cable is the insertion loss and reflectivity of the near-end connection and the far-end connection of the optical fiber line when using the OTDR measurement. It is mainly used to make up for the blind spot of optical time domain reflectometry (OTDR). At present, the extension cables on the market are mainly designed with a box-type structure, while the SCB2 extension cable adopts a fashionable and new design-disc structure. Compared with the old extension cable, the SCB2 extension cable is more compact and lighter to carry. 2. Use of OTDR extension cable In order to better fit the actual working conditions, we specially found a fiber optic transfer box for testing. By using Optical Time Domain Reflectometer (OTDR) and SCB2 extension cable, the test data such as the event point and loss value of the fiber can be accurately detected; This is what I said earlier, OTDR extension cable is a common and effective way to reduce the impact of test "blind zone". How do I generate a baseline trace using the SCB2 extension cord? ①Use the SCB2 extension cable as the launch optical cable: connect the extension cable between the OTDR and the optical fiber line under test to measure the loss of the near-end connection; ②Use the SCB2 extension cable as a receiving optical cable: connect the extension cable to the remote connection of the optical fiber line under test, which will measure the loss of the remote connection; ③ By using the SCB2 extension cable as a transmitting and receiving optical cable: the total insertion loss of the optical fiber line under test can be easily measured. Optical Time Domain Reflectometry (OTDR) and SCB2 test extension cords are essential tools in the fiber testing process. As a professional manufacturer of optical fiber testing in China, SeikoFire can provide users with customized services for OTDR extension cables of different lengths and different connector types.
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