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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 switchboard operator connected calls by inserting a pair of phone plugs into the appropriate jacks on a manual telephone switchboard. [215] Switchboard operators were gradually phased out and replaced by automated systems, first those allowing direct dialing within a local area, then those for long-distance and international direct dialing ...
PBX switchboard, 1975. A telephone switchboard is a device used to connect circuits of telephones to establish telephone calls between users or other switchboards. The switchboard is an essential component of a manual telephone exchange, and is operated by switchboard operators who use electrical cords or switches to establish the connections.
A railroad section gang — including common workers sometimes called gandy dancers — responsible for maintenance of a particular section of railway.One man is holding a bar, while others are using rail tongs to position a rail.
In a manually operated switchboard, this current flowed through a relay coil, and actuated a buzzer or a lamp on the operator's switchboard, signaling the operator to perform service. [19] In the largest cities, it took many years to convert every office to automatic equipment, such as a panel switch.
Switchboard operator, a person who provides assistance to telephone callers Telephone company , one that offers telephone services to subscribers Mobile network operator , a phone carrier