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Tunisian fiber optic cable falls
Multiple subsea fiber optic cables in the Red Sea suffered simultaneous cuts on September 6, 2025, disrupting global internet and communications traffic. The incident began at 05:45 UTC and has forced operators to reroute traffic between Asia, the Middle East, and Europe over. Cloud users relying on Microsoft Azure are experiencing, or may soon experience, increased latency and potential slowdowns, thanks to damage to critical underwater fiber optic cables in the Red Sea. Tunisie Telecom is also participating in the Medusa Submarine. National operator Tunisie Telecom launched on Monday, November 11, a program to expand its fiber optic network in the Tataouine region. With an investment of about 500,000 dinars (about $160,000), the project targets 2,900 homes and nearly 7,000 users, located in the city center. The agreement covers the supply and operation of a dedicated fiber-optic link between Bizerte and Marseille, with a capacity of 20 Tbps, based on the latest submarine cable technologies. -
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Are the two fiber optic channels mutually redundant
Most (in name) redundant connections consist of two separate optical fibers or channels that both go from A to B. For even higher availability Fiber-To-The-Office (FTTO) networks can be designed using redundant cabling. This issue focuses on redundant uplinks to the micro switches using dual pathways. The last two issues introduced. This article explores the reasons behind these unused fiber channels and jumpers, highlighting how such redundancies provide flexibility for future expansions, upgrades, and compatibility across various network devices. By understanding the role of these redundancies, network planners can optimize. Redundancy in optical networks can be achieved through various strategies, each with its advantages and disadvantages. It might be the case that the level of redundancy that one provider can offer is acceptable (or at least it's not worth. The fiber optic ring redundancy design for industrial Ethernet switches is precisely engineered to address this pain point—achieving millisecond-level fault self-healing through the synergy of physical ring architecture and intelligent protocols, thereby constructing the "self-healing heart" of. Since the fiber optic cable is impervious to electric and magnetic fields, all conventional electrically generated cross talk and interference is eliminated. very cost effective Ethernet systems. A diagram of an N-TRON fiber optic backbone implementation is shown in Figure 1. -
