Telephone Switchboards
GPC brick
About
Includes any products that may be described/observed as an apparatus containing switches by means of which a connection may be made from an incoming telephone line to any one of a series of outgoing lines. The switches can be either mechanical or electronic with the switching action being automatic, controlled by signals in the incoming call or manually controlled by a an operator.
Excludes
Excludes products such as Telephones.
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