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China’s provider of professional information transmission products and structured cabling system solutions.
kolorapus ebook
2022.05.16
KOLORAPUS Analysis: An Assessment of the Current State of Smart City Development in China—The Government Is Vigorously Promoting the Planning and Construction Process.
2022.05.16
The new submarine optical cable will deliver a 100 Tbps broadband rate to Hawaii.
Starting this month, internet, data, and voice traffic will begin to be transmitted via a $250 million undersea fiber-optic cable connecting Hawaii, the U.S. mainland, and Asia.
2022.05.16
Nigeria’s National Fiber Optic Broadband Program Seeks Chinese Loan.
Nigeria’s National Fiber Optic Broadband Program Seeks Chinese Loan.
2022.05.16
The relationship between fiber-optic communication and 5G
When we use wireless networks to chat, work, watch movies, or play games, you may not realize that the various wireless nodes are actually interconnected via an extensive network of fiber-optic cables. Today, as 4G and 5G network wireless access points continue to expand, there is an increasing demand for fiber optics to meet the growing needs of these networks.
2022.05.16
Data Center Remote Centralized Solution
Traditional management approaches can no longer meet the current need for highly centralized IDC management. With numerous cables arranged in complex patterns, decentralized management, and low efficiency, the control room is limited by distance from the equipment rooms, making it difficult to provide timely assistance. Meanwhile, the lack of robust physical security measures at IDCs, combined with frequent entries and exits to the equipment rooms, further complicates matters. On top of this, senior technical management personnel responsible for data center operations are often away on business trips or on holidays... As a result, data center operations may be disrupted—providing hackers with ample opportunities to exploit vulnerabilities... and potentially leading to the compromise of the data center’s core resources.
2022.01.13
Multimode optical fibers can employ either a step-index refractive index profile or a graded-index refractive index profile; single-mode fibers, by contrast, typically use a step-index profile. Therefore, quartz optical fibers can generally be categorized into three types: multimode step-index fibers, multimode graded-index fibers, and single-mode step-index fibers. The propagation of this electromagnetic wave in an optical fiber constitutes a dielectric circular waveguide. When light rays undergo total internal reflection at the interface between media, the electromagnetic wave is confined within the medium, forming what is known as a guided wave or guided mode. For a given guided wave and operating wavelength, there exist multiple incident conditions that satisfy the total internal reflection criterion; these different incident conditions correspond to distinct modes of the guided wave. Based on their transmission modes, optical fibers are classified into multimode fibers and single-mode fibers. Multimode fibers can support the transmission of several modes simultaneously, whereas single-mode fibers can transmit only one mode for a given operating wavelength.
kolorapus ebook
2022-05-17
2022-05-16
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kolorapus (Shanghai) Communication Technology
Building 1, No. 351 Chengjian Road, Minhang District, Shanghai City