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Acronyms that contain the term patch cable
What does patch cable mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: patch cable.
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What does patch cable mean?
- Patch cable
- A patch cable, patch cord or patch lead is an electrical or optical cable used to connect ("patch in") one electronic or optical device to another for signal routing. Devices of different types (e.g., a switch connected to a computer, or a switch to a router) are connected with patch cords. Patch cords are usually produced in many different colors so as to be easily distinguishable with each other. Types of patch cords include microphone cables, fiber optic spectroscopy cables, headphone extension cables, XLR connector, Tiny Telephone (TT) connector, RCA connector and ¼" TRS phone connector cables (as well as modular Ethernet cables), and thicker, hose-like cords (snake cable) used to carry video or amplified signals. However, patch cords typically refer only to short cords used with patch panels. The term "patch" came from early use in telephony and radio studios, where extra equipment kept on standby could be temporarily substituted for failed devices. This reconnection was done via patch cords and patch panels, like the jack fields of cord-type telephone switchboards. Furthermore, patching could also create temporary atypical connections between devices for unusual needs. Analog music synthesizers typically use patch cables to interconnect functional sections, such as oscillators, filters, etc. A patch cord cable differs from a standard structured cabling in that a patch cable is stranded for flexibility, whereas a standard cable is solid copper. Because the patch cord is stranded copper construction the attenuation (signal loss) is higher on patch cords than solid cable so short lengths should be adhered to.They can be as short as 3 inches (c. 8 cm), to connect stacked components or route signals through a patch bay, or between 6 meters (c. 20 feet) and 50 meters (c. 164 feet) for snake cables. As length increases, the cables are thicker or more shielded, or both, to prevent signal loss (attenuation) and the introduction of unwanted radio frequencies and hum (electromagnetic interference). Patch cords are often made of coaxial cables, with the signal carried through a shielded core, and the electrical ground or earthed return connection carried through a wire mesh surrounding the core. Each end of the cable is attached to a connector so that the cord may be plugged in. Connector types may vary widely, particularly with adapting cables.
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"patch cable." Abbreviations.com. STANDS4 LLC, 2024. Web. 31 May 2024. <https://www.abbreviations.com/patch%20cable>.
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