local telephone exchange 中文意思是什麼
local telephone exchange
解釋
本地電話交換機-
A telephone cable from a local exchange to a central exchange
一種從本地交換局到中心交換局的電話電纜。 -
Counties and cities have finished five projects of construction including local telephone net, divided into - group exchange net, digital date net, digital mobile communication net and newspapers - and - periodicals
17個縣市區已完成了本地電話網分組交換網數字數據網數字移動通訊網報刊發行微機網五項建設,全市有線無線交叉,模擬數字兼容,高中低檔並存,多功能多手段的現代先 -
It is a minitype of pbx with an single chip micyoco as the hardcore, it has four customer and one relay interfaces, a 16 x 16 exchange network, along with a keyboard as input and several leds as output. we can communicate within the local telephone exchange and also with the other phones in the other exchanger
該系統包括了程式控制交換機的所有基本部件:以單片機為核心的控制系統、四個用戶介面、兩個中繼介面、 8 16交換網路以及信號發生源等,能夠實現自動局內呼叫處理、出局呼叫處理以及入局呼叫處理。
分享友人