PACX

In computing and communications, a switching and contention system which allows a range of terminals, with different speeds, to communicate through a number of output ports with several other devices such as computers.; 在計算(機)技術和通信技術中,一種交換和競爭系統,這種系統允許具有不同速率的一批終端機 通過一些輸出端口與若干個諸如計算機的其它設備進行通信。Private Automatic Computer eXchange的縮寫。參閱contention, port。