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Fiber patch cord interface type High fiber vs low fiber

Fiber Optic MPO MTP Connector patch cord
Optical fiber jumpers (also known as optical fiber connectors), that is, optical fiber connectors connected to optical modules, also have many kinds, and they cannot be used with each other. The SFP module is connected to the LC fiber optic connector, while the GBIC is connected to the SC fiber optic fiber connector. The following is a detailed description of several commonly used optical fiber connectors in network engineering: ①FC type optical fiber jumper: The external strengthening method is a metal sleeve, and the fastening method is a turnbuckle. Generally used on the ODF side (the most used on the patch panel); ②SC type optical fiber jumper: the connector connecting the GBIC optical module, its shell is rectangular, and the fastening method is the plug-and-pull type, which does not need to be rotated. (mostly used on router switches); ③ST-type optical fiber jumper: commonly used in optical fiber distribution frame, the outer shell is round, and the fastening method is turnbuckle. (For 10Base-F connections, the connectors are usually ST type. Often used in fiber optic distribution frames); ④LC-type fiber jumper: a connector for connecting SFP modules, it is made with a modular jack (RJ) latch mechanism that is easy to operate. (commonly used by routers); ⑤MT-RJ type optical fiber jumper: a square optical fiber connector with integrated transceiver, one dual fiber transceiver is integrated. high fiber vs low fiber high fiber vs low fiber
ST, SC connector joints are often used in general networks. After the ST head is inserted, it is fixed by a bayonet in half a circle, but the disadvantage is that it is easy to break; the SC connector is directly inserted and unplugged, which is very convenient to use, but the disadvantage is that it is easy to fall out; It is reliable and dust-proof, but the disadvantage is that the installation time is slightly longer. MTRJ type fiber optic patch cord consists of two high-precision plastic molded connectors and fiber optic cables. The outer parts of the connector are precision plastic parts, including a push-pull plug-in clamping mechanism. Suitable for indoor applications in telecommunication and data network systems. high fiber vs low fiber high fiber vs low fiber
Optical fiber module: generally supports hot swap, the optical fiber interface used by GBIC is mostly SC or ST type; SFP, namely: small package GBIC, the optical fiber used is LC type. Fiber used: Single mode: L wavelength 1310 single mode long distance LH wavelength 1310,1550 Multimode: SM wavelength 850 SX/LH means single mode or multimode fiber can be used In the annotations representing pigtail connectors, we often see “FC/PC”, “SC/PC”, etc. high fiber vs low fiber high fiber vs low fiber
In addition, the “APC” model is more widely used in radio and television and early CATV. Its pigtail head adopts an end face with an inclination angle, which can improve the quality of the TV signal. The main reason is that the TV signal is analog light modulation. When the connector is coupled When the face is vertical, the reflected light returns along the original path. Due to the uneven distribution of the refractive index of the fiber, it will return to the coupling surface again. At this time, although the energy is small, the noise cannot be completely eliminated by the analog signal, so it is equivalent to superimposing a weak signal with time delay on the original clear signal. The performance on the screen is ghosting. The inclination of the pigtail headband prevents the reflected light from returning along the original path. General digital signals generally do not have this problem. high fiber vs low fiber high fiber vs low fiber

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