Category: Old Technology
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Optical Carrier (OC-x) Levels
Discover the intricate world of Optical Carrier Levels (OC-x), their role in SONET and ATM networks, and how they compare with the T-Carrier system. Learn about the modern technologies that have replaced these legacy systems.
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Fractional T1 Lines: Customizing Bandwidth for Efficiency
Explore Fractional T1, a scalable telecom solution offering a portion of the standard T1 line’s 1.544 Mbps bandwidth, tailored for specific business needs.
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Channel Definition Format (CDF): The Web in Your Pocket
The Channel Definition Format (CDF) is an outdated technology. It was primarily used in the late 1990s and early 2000s as part of Microsoft’s Internet Explorer 4.0 to enable web content to be viewed in a push-like fashion, similar to a news feed.
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Inverse Multiplexer (IMUX)
Explore the ingenuity of IMUX in telecommunications, dissecting its role in efficient data streaming over multiple channels.
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Channel Service Unit (CSU) Unraveled
Channel Service Unit or CSU is a digital communication device that is used to connect a digital line to a digital device.
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Cat 4 Cable: Tracing the Legacy of a Networking Milestone
Cat 4 or Category 4 Cabling is the fourth-lowest grade of unshielded twisted-pair (UTP) cabling. Category 4 cabling was designed to support digital voice and data communication at speeds up to 16 Mbps.
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Cat 3 Cable: Exploring its Legacy
Category 3 Cabling is the third-lowest grade of unshielded twisted-pair (UTP) cabling. Category 3 cabling was designed to support digital voice and data communication at speeds up to 10 Mbps.
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Category 2 Cabling [Cat2 Cable]
Dive into the history and specifications of Category 2 (Cat2) cabling, a foundational yet outdated technology in networking. Learn about its common uses, technical limitations, and why it was phased out.
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SDSL: Symmetric Digital Subscriber Line
Symmetric Digital Subscriber Line (SDSL) is a type of Digital Subscriber Line (DSL) technology in which upstream and downstream speeds are equal.
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Navigating the Legacy of Microsoft Transaction Server: A Retrospective
Microsoft Transaction Server was a software included in the Microsoft Windows NT Option Pack and Windows NT Server, Enterprise Edition, that provided a variety of services for component-based applications, including transaction support, security, and thread pooling.
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Component Object Model: Microsoft’s COM Architecture
Component Object Model (COM) is an object-based software architecture that allows applications to be built from binary software components.