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how to choose a suitable cable for fiber optic?

fiber optic cable
Posted on Oct 26, 2021

 

First of all, it is necessary to calculate the capacity required by the cable. For example, if 500 meters need to be connected, please make calculations according to 500 meters and choose the proper cable capacity. As a general rule, the bigger the fiber optic cable capacity, the better its ability. Generally speaking, there are two types of single-mode cables and multimode cables.

fiber optic cable

What is the difference between single-mode and multimode?

Singlemode is an optical fiber that carries light in one mode only, while multimode is an optical fiber with light in more than one mode.

Generally speaking, the single-mode has a more significant core and a thinner cladding wire, while the multimode has a smaller core and thicker cladding wire. Because of that, compared with single-mode cable, the cost of multimode cable is lower while the performance between the two kinds is the same.

How is the data transfer speed difference between the two kinds?

Singlemode is usually designed with an optical fiber that can be transmitted in a single “mode” of light, which typically has a wavelength around 1310 or 1550 nm. Because most practical applications use wavelengths near 1385 nm, single-mode optical fibers are usually based on this “standard” wavelength, with other wavelengths used for new or specialized applications.

Singlemode fiber is best suitable for long-distance communication links. With single-mode transmission, digital data can be transmitted at speeds up to 40 gigabits per second (Gbit/s) over connections of up to 10 kilometers (km). However, multimode fiber can offer far greater transmission bandwidth capacity.

The following is the information about single-mode and multimode linking capacity:

  • Singlemode fiber can support a signaling bit rate of 40 Gbit/s at a wavelength of 1310 nm over a distance of 10 km.
  • Multimode fiber can support a signaling bit rate of 1000 Mbit/s for distances up to 100 m and 2.5 Gbit/s for 200 m over OM1 fibers.
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The following is the information about single-mode and multimode linking distance:

  • Singlemode fiber supports a link length of 10 km, while multimode fiber can support a link length of 2 km.
  • What should be paid attention to for selection?

When selecting Singlemode cable, it should pay attention to the following points: firstly, since single-mode fiber is expensive, so please choose products with good quality; secondly, please make sure that light attenuation value should meet requirements; lastly, please make sure that fiber length and cable sheath diameter meet requirements.

When selecting multimode cable, please pay attention to the following points: firstly, single-mode and multimode fiber is basically of high quality, so please select products with good quality; secondly, please check light attenuation value carefully; lastly, please make sure that the length of the fiber and cable sheath diameter meet requirements.

The best cable for fiber optic internet service?

As a result of the development of the Internet, more and more fiber optic cables are used in building networks. To ensure high-quality data transmissions, clean lines and low attenuation must be selected when selecting cables for service.

Firstly, before making any selection, please consider your requirements carefully to avoid unnecessary costs; secondly, please make sure that you have a deep understanding of the network and its requirements before you select a cable; thirdly, please pay attention to whether or not the products can meet relevant standards.

When you need to purchase Singlemode cable, please pay attention to the following points: firstly, please note that there are many similar products for sale on the market, so please make sure that you choose good quality before buying; secondly, please be careful not to select bad quality fiber optic cables; lastly, please ensure that fiber length and cable sheath diameter meet requirements.

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When you need to purchase multimode cable, please pay attention to the following points: firstly, there are many similar products on the market, so it is recommended that you select good quality; secondly, please be careful not to make mistakes when choosing fiber optic cables; lastly, please ensure that fiber length and cable sheath diameter meet requirements.

What is the process of installing fiber optic cabling?

There are many types of fiber optic cables, including single-mode optical wire, multimode optical wire, etc. For example, to install a multimode optical wire effectively, you should follow these steps: firstly, please verify that the cable is taut; secondly, please check whether the cable sheath is scraped cleanly to ensure fiber core exposure; thirdly, please fill in the pigtail.

When installing single-mode optical wire, you should follow these steps: firstly, it is necessary to prepare for cable cutting tools and multifunctional fiber optic cable stripper; secondly, please cut the protective sleeve and expose the fiber core; thirdly, please check whether the optical receptacle is clean and not loose.

When installing a multimode optical wire, you should follow these steps: firstly, please verify that the cable is taut and not deformed; secondly, please check whether the cable sheath is cut cleanly to ensure fiber core exposure; thirdly, please fill in the pigtail.

How do you choose good-quality fiber optic cables?

When choosing a redundant optical cable, please pay attention to its performance standards and materials used. For example, the more critical standards of an optical cable are the following: firstly, please ensure that the cable is damaged and any broken core is re-terminated; secondly, please ensure that the fiber sheath is scrapped altogether to expose the fiber.

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When choosing a double jacket optical cable, please pay attention to its performance standards and materials used. For example, the more critical standards of an optical cable are the following: firstly, please ensure that the fiber sheath is scrapped altogether to show fiber; secondly, please ensure that any broken core is re-terminated.

When choosing a multimode optical wire, please note the performance standards and materials used. For example, the more critical standards of an optical cable are the following: firstly, please ensure that the cable is not damaged and any broken core is re-terminated; secondly, please ensure that the fiber sheath is scrapped altogether to expose the fiber.

When choosing a single-mode optical wire, please note the performance standards and materials used. For example, the more critical standards of an optical cable are the following: firstly, please ensure that the cable is not damaged and any broken core is re-terminated; secondly, please ensure that the fiber sheath is scrapped altogether to expose the fiber.

Most people may buy an optical cable like this: choose manufacturer A or B, then buy its products. Unfortunately, it is not a simple process due to the different standards and specifications of optical cables. Choosing a good-quality optical cable requires a lot of knowledge about this product itself.

Many manufacturers are on the market for fiber optic products, but only some have unique technology backgrounds behind them. These manufacturers include Corning, Furukawa, OFS. When someone wants to buy fiber optic products, they should first make sure the manufacturer’s technology background and product quality; secondly, it is necessary to note the following performance standards of optical cables: for example, please ensure that damaged cable core re termination; thirdly, please ensure that the cable is not damaged and any broken heart is re termination.

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