What are the Differences Between Optical Fiber and Cable?

What are the Differences Between Optical Fiber and Cable?

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In terms of uses, the difference between optical fiber and cable is not necessarily perceptible. Because the two technologies make it possible to have Very High-Speed ​​Internet. However, there are real differences between optical fiber and cable. Explanations.

 

Cable - fiber optic: two different technologies

Both technologies make it possible to have Very High-Speed ​​Internet. And for years, there was confusion between fiber optic with FTTH technology and FTTLa technology, both of which were then associated with fiber. But, since 2016, the debate between "real" fiber (FTTH) and "fake" fiber (FTTLa) has been settled. Operators should now clearly differentiate between the two. Because FTTH technology is optical fiber and FTTLa technology is copper wire. The difference between the two is quite real.

The first stands for "Fiber to The Home" while the second stands for "Fiber to The Last amplifier". And that is the whole difference: the final part of the network is not the same.

·         With FTTH technology, the subscriber is connected to end-to-end fiber optics. A fiber is drawn between the Optical Connection Node (NRO) and the interior of the housing to be connected to a modem. Signal transmission is in light form.

·         With FTTLa technology, it's different. Instead of going to the subscriber's home, the fiber network stops at the optical node, usually a street cabinet or a box in the basement of a building. But, from the optical node, on the last meters to the home, the data is routed via a coaxial cable, the same that is used for broadcasting cable television. Also referred to as optical fiber with coaxial termination. Signal transmission is in electrical form

Another difference between the two is the nature of the driver. The optical fiber is made of glass or plastic threads when the coaxial cable is made of copper. A size difference that has an obvious impact on the performance of FTTH technology and FTTLa technology, the first being better than the second.

Currently, SFR, RED and La Poste Mobile are the only three operators to offer Very High-Speed ​​Internet with FTTLa technology. All the others use FTTH technology.

 

Cable - fiber optic: it is also a matter of speeds

By their nature, fiber optic technology and cable do not offer the same performance. For the Internet user, the difference is essentially made on the speed of the Internet connection. With fiber optics, the maximum speed in reception is 8 Gb/s (1 Gb/s most often) and 600 Mb/s in transmission. With cable, the maximum speed is 1 Gb/s in reception and 100 Mb/s in transmission. An Internet connection via optical fiber is therefore faster than with Pakistan cables.

Nevertheless, the two technologies make it possible to have Very High-Speed ​​Internet. And to browse the Internet, watch a streaming video or download a file, the difference between the two is not obvious. It is much more so for sharing with friends or sending large files to the cloud.

 

Optical fiber more easily accessible than cable

As of March 1, 2021, 25.7 million households in 14,525 surrounding municipalities were eligible for fiber optics. At the same time, 9.5 million homes in more than 1,000 municipalities were cabled. Optical fiber is therefore much more widespread than cables in Pakistan. A trend that should continue to grow. Indeed, in its France THD plan, the state has undertaken to guarantee very high-speed broadbands for all by 2022, 80% of which via fiber optics. The first stands for "Fiber to The Home" while the second stands for "Fiber to The Last amplifier". And that is the whole difference: the final part of the network is not the same.

·         With FTTH technology, the subscriber is connected to end-to-end fiber optics. A fiber is drawn between the Optical Connection Node (NRO) and the interior of the housing to be connected to a modem. Signal transmission is in light form.

·         With FTTLa technology, it's different. Instead of going to the subscriber's home, the fiber network stops at the optical node, usually a street cabinet or a box in the basement of a building. But, from the optical node, on the last meters to the home, the data is routed via a coaxial cable, the same that is used for broadcasting cable television. Also referred to as optical fiber with coaxial termination. Signal transmission is in electrical form

Another difference between the two is the nature of the driver. The optical fiber is made of glass or plastic threads when the coaxial cable is made of copper. A size difference that has an obvious impact on the performance of FTTH technology and FTTLa technology, the first being better than the second.


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