An adapter used where the controller and the loop systems are interconnected by common carrier dedicated facilities. It provides the boundary between the remote loop and the integrated modem or OEM modem/EIA converter connected to common carrier lines.; 在控制器和環(huán)路系統(tǒng)由公共載波專用設(shè)施互連的地方使用的一種適配器。它在遠(yuǎn)程環(huán)路同接到公共載波線上的整體集成式調(diào)制解調(diào)器或OEM(初始設(shè)備制造)調(diào)制解調(diào)器 以及EIA(電子工業(yè)協(xié)會(huì))轉(zhuǎn)換器之間提供界面。