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Cord circuit - definition of Cord circuit in Encyclopedia (121 words) |
 | In telecommunication, a cord circuit is a switchboard circuit in which a plug-terminated cord is used to establish connections manually between user lines or between trunks and user lines. |
| Note: 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. |
| LINE - Online Information article about LINE (7668 words) |
| The other supervisory lamp on the cord circuit is controlled in a similar manner by the sub-scriber who originated the call, and as that subscriber's telephone is off the hook when the peg is inserted, the lamp is not lighted at all until the subscriber replaces the receiver. |
| The call is controlled by the trunk operators, the junction circuits being equipped in such a manner that the subscribers' signals appear at the trunk exchanges, from which point disconnecting signals are sent automatically to the local exchanges, when the connexions between the trunk and the junction circuits are removed. |
| By means of his first selector the circuit of a calling subscriber is connected to the outgoing end of a junction whose other end terminates upon the incoming portion of a second selector in the thousand group to which the wanted subscriber belongs. |
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