Do fiber optic connectors need to care about the transmission medium?

Fiber optic connectors can be divided into ordinary singlemode and multimode connectors for silicon-based fibers according to the transmission medium, and double shielded RF cables are sufficient. In some occasions, the shielding performance of the cable should be carefully considered. The system will have a large signal of 48dBm and a weak intermodulation signal as small as -127dBm, with a difference of 175dB. In this case, if a double shielded braided cable with a shielding effect of -80dB is used, the final test result may be wrong. To accurately complete RF tests and measurements, a better approach is to solidify the test system. Semi-rigid cables with a shielding better than -120 dB can be used in a cured test system, regardless of how the cables are arranged, and leakage need not be considered at all. In principle, the tester only needs to be concerned with the two flexible braided cables connecting the inputs and outputs of the DUT. There are also other fiber optic connectors such as glue as a transmission medium; according to the structural form of the connector, it can be divided into various forms. In order to facilitate the connection with optical transceivers, connector end face fiber using a dual-core design (spacing 0.75mm), is the next generation of high-density fiber optic connectors mainly used for data transmission.LC ConnectorLC connector developed by the Bell Institute, made of modular jack (RJ) latch mechanism, easy to operate. The pin bushing size used is 1.25 mm, half the size of ordinary SC and FC. This increases the density of fiber optic connectors in fiber optic distribution frames.

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