In DPCX, an adapter that performs the function common to the synchronous data link control (SDLC) protocol and allows for connection of displays and printers to the DPCX system by means of telecommunication facilities.; 分布式處理控制執(zhí)行系統(tǒng)(DPCX)中的一種適配器,執(zhí)行同步數(shù)據(jù)鏈路控制(SDLC)協(xié)議所 共有的功能,而且允許通過(guò)遠(yuǎn)程通信設(shè)施將顯示器和打印機(jī)連接到DPCX系統(tǒng)。