A.網(wǎng)關(guān)是DCC20監(jiān)控系統(tǒng)中用來連接DPU 和CAN 網(wǎng)絡(luò)的設(shè)備
B.網(wǎng)關(guān)是DCC20監(jiān)控系統(tǒng)中用來連接局域網(wǎng)和遠程操作站的設(shè)備
C.網(wǎng)關(guān)是DCC20監(jiān)控系統(tǒng)中用來連接CAN 網(wǎng)絡(luò)和局域網(wǎng)的設(shè)備
D.網(wǎng)關(guān)是DCC20監(jiān)控系統(tǒng)中用于實現(xiàn)CAN 網(wǎng)絡(luò)冗余的設(shè)備