2, suitable for many types of modules are installed, used for work area cabling subsystem. 3, to facilitate embedded surface box, installed; the panel surface with embedded graphics and label position for easy identification data and voice ports. 4, with a dust-proof sliding doors to protect the module, masking dust and dirt. 5, for a variety of environments with a single, double, perforated panels. 6, materials used PC + ABS engineering plastics. 7, the color is white and milky white porcelain. 8, ST, SC, FC, LC and other types of installation ● good compatibility, fiber concentricity error is small ● zirconia ceramic or precision phosphor bronze casing ● High precision machining dimension ● High reliability and stability ● insertion loss low return loss, good interchangeability ● ferrule end face PC, UPC, APC three purposes: ● telecommunications networks, metropolitan area networks, fiber-optic communication systems ● fiber optic test equipment / instrumentation ● fiber CATV, fiber optic broadband sensor ● access networks, FTTH fiber to the home ● fiber patch panels, rack and wall mount fiber distribution unit performance indicators: Insertion loss: ≤0.3dB (PC) ≤0.2dB (UPC) <0.2dB (APC)? ??? ≤0.3dB (multimode) Return Loss: ≥40dB (PC) ≥50dB (UPC) ≥60dB (APC) ≥35dB (multimode) Interchangeability: ≤0.2dB working temperature (℃): - 30 - +80 Storage Temperature (℃): - 40 - +85 vibration test: ≤0.1dB (10-60Hz, 1.5mm amplitude) Tensile strength test: (except 0-15Hg Rally, φ0.9mm fiber) ≤0.1dB repeat resistance: ≥1000 times the industry standard: Bellcore TA-NWT-001209