A.300MHZ B.5.8GHZ C.2.4GHZ
A.對(duì)于工業(yè)以太網(wǎng)快速連接產(chǎn)品,兩個(gè)SCALANCE X交換機(jī)之間的TP線纜長(zhǎng)度:最長(zhǎng)為100M B.對(duì)于工業(yè)以太網(wǎng)玻璃光纖,光纖長(zhǎng)度:最長(zhǎng)3000M C.對(duì)于工業(yè)以太網(wǎng)快速連接產(chǎn)品,TP線纜長(zhǎng)度:最長(zhǎng)為3000M D.對(duì)于工業(yè)以太網(wǎng)玻璃光纖,光纖長(zhǎng)度:最長(zhǎng)5000M
A.7 B.8 C.9