A module which has each input or output electrically isolated from every other input or output on that module. That is to say, each input or output has a separate return wire.; 一種具有輸入輸出的模件,其每個(gè)輸入或輸出與該模塊的其它每個(gè)輸入或輸出電氣絕緣。 也就是說(shuō),每個(gè)輸入或輸出有一個(gè)分隔的返回線路。