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What is the difference between CWDM technology and DWDM technology?
Sep 01 , 2021
There are CWDM coarse wavelength division multiplexing technology and DWDM dense wavelength division multiplexing technology in WDM technology. The two technologies have been specifically mentioned in the previous article. From a literal point of view, these two technologies are different in the density of a band. , But the actual technology and application are still very different. ① Different wa...
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What are the performance indicators that affect the WDM wavelength division multiplexer?
Sep 26 , 2021
What are the performance indicators that affect the WDM wavelength division multiplexer? 1. Working band The working band of WDM devices, such as 1550 wavelength, is divided into three bands: S band (short wavelength band 1460～1528nm), C band (conventional band 1530～1565nm), L band (long wavelength band 1565～1625nm). 2. Number of channels and channel spacing The number of channels refers to the nu...
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Different kinds of passive optical tap
Oct 13 , 2021
A network-connected passive optical TAP usually has at least three ports: A port, B port and monitoring port. Let's take a look at the differences between them. Passive network taps in optical fiber-based networks Passive network taps can be used on fiber optic networks of all speeds-just choose a rated copy and send traffic at the same rate as your network (1 Gigabit, 10 Gigabit; 40 Gigabit, 100 ...
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Analysis of the advantages and disadvantages of passive DWDM Mux
Nov 05 , 2021
Information network technology developers continue to strive to improve the throughput and quality of network data lines, while reducing the cost per bit (CPB) of the network. One of these technologies is dense wavelength division multiplexing (DWDM). DWDM is a method of creating multiple virtual fiber lines, which effectively increases the capacity of physical fiber lines. Wavelength division mul...
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Different types of wavelength division multiplexers
Dec 09 , 2021
Coarse Wavelength Division Multiplexing (CWDM) is a low-cost WDM transmission technology for the access layer of the metropolitan area network. Mainly divided into four types. 1. Coarse wavelength division multiplexer (CWDM for short), currently there are 1*4 channel coarse wavelength division multiplexer, 1*8 channel coarse wavelength division multiplexer, 1*16 coarse wavelength division multiple...
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Passive wavelength division optical transmission solution--CWDM/DWDM
Dec 17 , 2021
In the construction of optical transmission networks, long-distance transmission needs to consume a lot of optical fiber resources. WDM passive components can multiplex multiple optical signals into one optical fiber, expand transmission capacity and save optical fiber resources. Among them, CWDM and DWDM devices are two of the more commonly used devices. Equipped with corresponding color light mo...
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What is WDM and how does it work?
Dec 24 , 2021
Main reasons for choosing DWDM multiplexer/multiplexer With the advent of the Internet, there is a huge influx of data. Although this is good for businesses because data is helpful in many ways, dealing with big data is a challenge. Efficient and powerful data transmission speed seems inevitable. In order to solve the paradox of increasing bandwidth with less expenditure, DWDM Mux/Demux is the per...
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Advantages and disadvantages of Dense Wavelength Division Multiplexing (DWDM)
Jan 07 , 2022
Information network technology developers continue to strive to improve the throughput and quality of network data lines, while reducing the cost per bit (CPB) of the network. One of these technologies is dense wavelength division multiplexing (DWDM). DWDM is a method of creating multiple virtual fiber lines, which effectively increases the capacity of physical fiber lines. Wavelength division mul...
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