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Patch cord, or patch cable is an electrical or fiber-optic cable
used to connect ("patch") one electronic or optical device to
another for signal routing. Patch cords connect different types of
devices, such as a switch connected to a computer or a switch
connected to a router.
Patch cords are often manufactured in different colors to make them
easier to distinguish. Types of patch cords include microphone
cables, fiber optic spectrometer cables, headphone extension
cables, XLR connectors, miniature telephone (TT) connectors, RCA
connectors, 1/4-inch TRS phone connector cables (and modular
Ethernet cables), and cables that support video and amplified
signals including thick hose-like wires (snake cables) for
transmission. However, patch cords usually refer only to short
lengths of wire used in patch panels.
The term "patch" comes from its early use in telephone and broadcast studios, where spare equipment could be kept on standby and temporarily used to replace a failed device. This reconnection was accomplished with patch cords and patch panels, much like the field of jacks in a wired telephone switch. In addition, patching allows you to create temporary, makeshift connections between devices to meet unusual needs. Analog music synthesizers often use patch cords to interconnect oscillators, filters, and other functional parts.
MODEL | SM/MM |
Conector 1 | SC ST LC MPO |
Conector 2 | SC ST LC MPO |