A.RS232 B.MVB C.RS485 D.Rj45
A.48KW B.16KW C.12KW D.4KW
A.集中布置,擴(kuò)展供電 B.分散布置,并網(wǎng)供電 C.集中布置,并網(wǎng)供電 D.分散布置,擴(kuò)展供電