Pay attention to the suitability of choosing ppe

Every day we think of collocation, collocation, but no new clothes how to collocation, it is impossible to always use the previous clothes to carry out repeated collocation, so they also feel boring, if it is the previous style with, Classic colors Caixing, if it is the kind of very fancy colors, it is estimated out of date.

So Xiaobian today to recommend two classic colors for you, so you have enough space, wearing time is relatively long, black and white with the Theme Women , take a look at how to match the black wide-leg pants.

Black pants classic enough of it, and each season are missing, whether it is to wear this year, or next year to wear Oh, wide leg pants version is also more popular style in recent years, and black wide leg pants It is even more wild, as long as the shirt with a white chiffon shirt can be irregular tailoring personality, so that even black and white are also very unique.

Black wide leg pants can be straight version, it can be a relaxed shape, look at what style you like, Xiaobian think of two styles have their advantages and disadvantages. Loose a little comfortable, straight-legged wide-leg pants become more professional, the same black and white matching, but there are different sub-style presentation, you can also use these two wide-leg pants with other colors of the shirt Oh.

Fiber Optic Pigtails

The pigtail refers to an optical fiber or optical cable with an optical fiber connector installed at one end and an optical fiber or optical cable at the other end. Divide an optical jumper into two to become two optical pigtails. Optical pigtails are usually used for the end of the optical path (such as the actual test result box of the terminal point pair, the splice tray in the wiring equipment, etc.). Or the extraction of optical devices (such as optical splitters, lasers, detectors, etc.). The pigtail length is usually no more than 2 meters.

Same as the optical jumper, when the connecting wire is an optical cable (mostly indoor optical cable), it is called an optical fiber pigtail, and when the connecting wire is an optical fiber (usually a tight-buffered optical fiber), it is called an optical fiber pigtail. There is no special product standard for optical pigtails. Most buyers and sellers switch to "arbitrary type" in the form of optical patch cords when they deliver. The quality acceptance is the same as optical patch cords, which also apply optical fiber movable connector standards.

Pigtails are divided into multi-mode pigtails and single-mode pigtails. The multimode pigtail is orange, the wavelength is 850nm, the transmission distance is 5Km, and it is used for short-distance interconnection. The single-mode pigtail is yellow, with two wavelengths, 1310nm and 1550nm, and transmission distances of 10km and 40km, respectively.

Fiber is an important component of the optical communication system, which is mainly used to realize the two functions of the interconnection of the optical ports between the devices and the interconnection of the device and the fiber core of the optical cable. Different from conventional cables, the pigtail core wire has the characteristics of easy breakage and weak tensile performance, and there is no mature on-site processing plan for the interface components, and it is impossible to make a pigtail with a suitable length on site according to the actual distance. Therefore, in practical applications, the pigtails are usually factory-processed and manufactured according to a certain nominal length series. When installing and constructing on site, engineers can choose pigtails that are longer than the actual distance. Because pigtails have the characteristics of discretization and easy damage, pigtail reeling is the core link in the installation, return and storage of pigtails.

The inner core of the pigtail uses silica glass filaments to carry the optical path. The body is fragile and easy to break. The main line is usually a 48-core ADSS optical cable. These pigtails need to be sheathed in a corrugated tube and placed in the floor compartment or cable sandwich. There is no effective tool assistance in the traditional pigtail threading method, and the operation and maintenance personnel adopt the traditional brute force method to pass the pigtail through the corrugated tube, which causes more fiber jumper damage and high probability of service interruption.

Different Connector Pigtail, Connecter Color-coded Pigtail, Connecter Bunch Pigtail, FC Waterproof Pigtail, Ribbon Fanout Pigtail

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