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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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Introduction of 100G-QSFP28-LR4 Optical Module | Fiberwdm.com
Sep 18 , 2021
Today, 100G Ethernet technology has matured, and the deployment of 100G networks by major enterprises, institutions or governments has gradually stepped onto the right track. In the development of 100G Ethernet technology, 100G QSFP28 optical modules and 100G CFP/CFP2/CFP4 optical modules are widely used, and optical modules marked as LR4 are the most common. What is the 100G-QSFP28-LR4 optical mo...
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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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What is a DWDM optical module?
Oct 22 , 2021
DWDM optical module belongs to a kind of WDM optical module. It uses DWDM technology to multiplex multiple optical signals into one optical fiber to transmit data using different wavelengths. This operation does not need to consume any power. These optical modules are designed for high-capacity and long-distance transmission, with a rate of up to 10Gbps and a working distance of up to 120km. Class...
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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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Introduction of 100G QSFP28 ZR4 Optical Module | Fiberwdm.com
Nov 12 , 2021
With the rapid development of cloud computing, big data and Ethernet, operators have upgraded their data centers to higher data rates, which has further increased the demand for 100G, and the pattern is also shifting from 100G, and 100G QSFP28 ZR4 is also It is the product of this era of big data. This article is mainly about 100G QSFP28 ZR4 optical module product introduction brought by FiberWDM ...
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What are the types of optical amplifiers
Nov 18 , 2021
Optical amplifiers can be divided into two categories: One type is that semiconductor optical amplifiers are made of semiconductor materials and can be regarded as semiconductor traveling wave optical amplifiers without feedback. The other is a fiber amplifier, which includes two types, one is a nonlinear fiber amplifier, which uses a strong light source to excite the fiber, so that the fiber prod...
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Main difference between optical transceivers and switches
Nov 24 , 2021
Optical transceivers and switches are very important in Ethernet transmission, but they are different in function and application. So, what is the difference between a optical transceiver and a switch? This article explains in detail for you. What is the main difference between a optical transceiver and a switch? Optical fiber transceiver is a very cost-effective and flexible device. The common us...
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