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lines or between trunks and user lines. A number of cord circuits are furnished as part of the switchboard position equipment. The cords may be referred to as front cord and rear cord or trunk cord and station cord. In modern cordless switchboards, the cord-circuit function is switch operated and may
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in which a plug-terminated cord is used to establish connections manually between
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this task was done by a supervisory relay set known variously as
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
