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Zgdyui Cable Management Box $ at Amazon. Prevent piles of cords from accumulating and turning into a tangled mess, by placing different cables in different compartments of this box, says Hagmeyer ...
Cable strain relief is a mechanical protection for flexible electrical cables, wires, conduits and pneumatic hoses. It is regulated by the European standard EN 62444 (formerly EN 50262. [2]). With a strain relief component, the connection between a flexible electrical line and its connection port is protected against mechanical stress. Usually ...
A telephone switchboard is a device that allows telephone lines to be interconnected, enabling the routing of calls between different phones or phone networks. [17] The switchboard operator was a person who manually connected calls by plugging and unplugging cords on the switchboard.
A Secure Terminal Equipment desk set. A secure telephone is a telephone that provides voice security in the form of end-to-end encryption for the telephone call, and in some cases also the mutual authentication of the call parties, protecting them against a man-in-the-middle attack.
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Key was a Bell System term of art for a customer-controlled switching system [1] such as the line buttons on the phones associated with such systems. The electrical components that allow for the selection of lines and features such as hold and intercom are housed in a panel or cabinet, called the key service unit or key system unit (KSU).