광 패치 코드
A fiber-optic patch cord is a fiber-optic cable capped at each end with connectors that allow it to be rapidly and conveniently connected to telecommunication equipment. This is known as interconnect-style cabling.
Compared with copper cables, fiber optic patch cables have a much higher transmission speed. The transmission speed is up to 400Gbps for single-mode fiber cables and 100Gbps for multimode OM4 fiber cables.
Fiber optic patch cables can be connected to devices far away from each other because they are made of optical fibers that can be transmitted very far in the air or underwater. For example, multimode fiber cables can be extended up to 2 kilometers, while single-mode fiber cables can be extended up to 160 kilometers under ideal conditions.
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LC interface, square, also called small square mouth, fixed by jack latch, connected to SFP optical fiber module, pin size is 1.25mm, half of SC, FC, small size, so it is widely used when installing intensive equipment . The interface of LC optical fiber optical path cord is generally used on 1.6mm/2.0mm and 3.0mm optical cables.
SC interface, square, also called generous square mouth, adopts plug-in type, can meet 1000 plug-in operations, often used as a connector for connecting GBIC optical fiber modules, does not need to be rotated, installation is fast and convenient, but easy to fall out, unstable, and use It is made of engineering plastic material and has the characteristics of high temperature resistance and oxidation resistance. It is most used on routers and switches, and is often suitable for general networks.
ST interface, Metal circular bayonet structure, a bayonet is fixed after the plug is inserted half a circle, it is often used in multi-mode network (such as building or campus network) equipment. (For 10Base-F connection, the connector is usually ST type. Often used in optical fiber distribution frames).
MPO/MTP interface, It is a push-pull interface, easy to use, MTP is an upgraded version of MPO and a multi-core connector. This kind of interface is mainly used to connect high-speed transmission, such as optical fiber splitter, 40G, 100G, QSFP+ and other optical transceiver equipment internal connection applications, which can realize high-density connections between network devices.
PC (Physical Contact), physical contact. PC is micro-spherical grinding and polishing, the end surface is flat, so that the contact can reduce the insertion and connection gap. Is the most common interface grinding method.
APC (Angled Physical Contact), the inclined surface is in physical contact. The contact end surface is ground into an inclined surface of 8 degree , which can effectively reduce the reflection of light and thus reduce the loss. APC has the lowest return loss among the three grinding methods.

A flame-retardant jacket is ideal to use between floors and buildings.
These jackets have a small bending radius and a high resistance to bend-related loss or damage. This type of patch cord is made for data center and FTTH applications and high-density cabling.
When it comes to the practical application, fiber optic cables and fiber optic patch cords have many different uses and therefore are reliable in several situations. This is in fact a really versatile technology and many great uses have been devised which have greatly benefited human civilization all over the world. Thanks to fraxel treatments that we are able to continually move ahead like a civilization and individuals.One of the many applications of this technology is internal illumination during dentistry. This will make it a lot easier for that dentist and it is assistants to obtain the job finished having a greater degree of accuracy as well as in less time. Lots of people have benefited from this with no one can deny how useful this technology has been for dentists all over the world.Fiber-optic technology has been important for image transfer devices such as in the case of televisions and other similar forms of technology. This has transformed the way people live by providing them with fast and accurate use of information via a very large number of mediums.
The arrival of fiber optic communications thanks to fiber optic cables and fiber optic patch cords makes life much easier around the world in several ways. We can't underestimate the significance of this technology and just how it's played a job within the ever-increasing growth of civilization and technological progress.In fact even used fiber optic cables in the camcorders they sent the moon. This unique feat means lots of people to witness this historic event in history and marvel at use of human ingenuity in a practical application.
A optical patch cord is terminated on both ends with a fiber optic connector, such as LC connector, SC connector, ST connector, FC connector, or MPO/MTP connector. Different connectors are used to plug into different devices. If ports of devices in the both ends are the same, we can use fiber optic patch cables with the same type of connectors on both ends, such as LC LC cables, SC SC fiber patch cord, ST ST fiber patch cable, or MPO-MPO patch cables. If you want to connect different ports type devices, fiber optic patch cables with different types of connectors on both ends, like LC SC fiber patch cable, LC to ST fiber patch cable, or SC to ST fiber cable, may suit you.
Other than choosing the right connector type, you also need to choose the right connector polish type, whether the same polish type of the same connector type or different polish types of different connector types on both ends, such as SC APC fiber patch cord, SC/APC to LC patch cable. The loss of APC connectors is lower than UPC connectors. Usually, the optical performance of APC connectors is better than UPC connectors. APC connectors are widely used in applications such as FTTx, passive optical network (PON) and wavelength-division multiplexing (WDM) that are more sensitive to return loss. But APC connector is usually more expensive than UPC connector. With those applications that call for high precision optical fiber signaling, APC should be the first consideration, but less sensitive digital systems will perform equally well using UPC.
Choose single-mode or multimode cable type?
Fiber optic patch cable has two propagation modes: multi-mode and single-mode. Single-mode fiber patch cord uses 9/125um glass fiber. It is designed for the transmission of a single ray or mode of light as a carrier and is used for long-distance signal transmission. Multimode fiber patch cord usually uses 50/125um or 62.5/125um glass fiber. It can carry multiple light rays or modes, each at a slightly different reflection angle within the optical fiber core. Multimode fiber optic patch cables is used for relatively short distances because the modes tend to disperse over longer lengths. Typical single-mode fiber optic patch cable used yellow fiber cable and multi mode fiber optic patch cable used orange or aqua fiber cable.
Do you need simplex or duplex fiber optic patch cords? There is only one single strand of glass or plastic fiber in a simplex fiber optic patch cord. It is often used where only a single transmit and/or receive line is required between devices. A simplex fiber optic patch cord has only one fiber optic connector at each end, often used for Bidirectional (BiDi) fiber optic transceivers. A duplex fiber patch cord consists of two strands of glass or plastic fiber which are typically found in a tight-buffered and jacketed " zipcord "construction format. The duplex fiber is most often used for duplex communication between devices where a simultaneous and separate transmit and receive are required. Duplex fiber patch cords are used for common transceivers. Simplex and duplex fiber patch cords both are available in single mode and multi-mode.














