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  6. 【DWDM】400G OTN optical transmission 1-core bidirectional/single fiber

【DWDM】400G OTN optical transmission 1-core bidirectional/single fiber

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last updated:Jul 24, 2025

アイランドシックス
アイランドシックス
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Introducing the DWDM/optical transmission device, a high-speed 400G compatible single-core bidirectional/single-fiber solution.

By using a single-core bidirectional/single fiber, operational costs can be reduced by 50%, making dark fiber an affordable solution. In DWDM, active and passive solutions for single-core bidirectional/single fiber transmission can support from 4 wavelengths up to 8 wavelengths for 400G using optional optical amplifiers. The single-core bidirectional/single fiber solution seamlessly integrates with standard-based 10/25/100Gb Ethernet, 16/32G Fiber Channel, and OTU2/2e/4 client interfaces, enabling support for any combination of services up to 400G.

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【DWDM】400G OTN optical transmission 1-core bidirectional/single fiber

packetlight_singlefiberbanner.jpg
packetlight_singlefiberbanner.jpg
  • Related Link - https://packetlight.jp/

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In optical fiber networks, traditionally, two fibers were needed simultaneously for sending and receiving signals. The bidirectional/single-fiber solution has emerged as a way to reduce the cost of dark fiber solutions and optimize fiber usage. Instead of using two dedicated lines, it utilizes a single fiber line to transmit bidirectional signals. For companies borrowing dark fiber from providers, the operational savings are significant.

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- In cases where laying new fiber is difficult or expensive in point-to-point, ring, or linear add-and-drop topologies. - It allows for the division of enterprise traffic into two different fibers instead of using the same fiber for all traffic. - By using one fiber for transmission and reception and another as a backup, it is possible to enhance the reliability of existing dual-fiber solutions. ■ For detailed examples, please refer to the page below ■ https://packetlight.jp/singlefiber_solution/

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【DWDM】400G OTN optical transmission, 1-core bidirectional (single fiber solution)

【DWDM】400G OTN optical transmission, 1-core bidirectional (single fiber solution)

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WDM solutions for dark fiber providers

WDM solutions for dark fiber providers

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アイランドシックス

アイランドシックス

Information and Communications

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Our company introduces Japanese businesses to Israeli high-tech companies that have matching technologies and products based on the individual needs of enterprises. We mainly specialize in wireless communication, networking (hardware and software), and the HLS field, providing products with advanced technologies that evolve IT infrastructure. Founded in 1994, many of the numerous products we offer have been adopted by many companies, including major telecommunications firms, through large SI companies and OEM partners. All the products we provide are innovative and high-performance, carefully selected based on extensive knowledge and experience. Please feel free to consult us if you have any requests.

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