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switchboard    音标拼音: [sw'ɪtʃb,ɔrd]
n. 配电盘,接线总机

配电盘,接线总机

switchboard
开关板 交换机

switchboard
n 1: telephone central where circuits are completed with
patchcords [synonym: {switchboard}, {patchboard}, {plugboard}]

switchboard \switch"board`\ n.
1. an elctrical apparatus consisting predominantly of a panel
on which are switches or other means of completing
electrical circuits; -- used especially for the devices
used in telephone exchanges. See sense 2.
[PJC]

2. (Telephone) An apparatus containing switches by means of
which a connection may be made from an incoming telephone
line to any one of numerous outgoing lines. The switches
may be either mechanical or electronic, and the switching
action may be automatic, controlled by signals in the
incoming call, or manual, controlled by a switchboard
operator. In older style manual switchboards, the circuits
were connected by the use of patchcords, inserted into
plugs.

Syn: patchboard, plugboard, telephone exchange.
[PJC]


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