A.激光電源+線路取能 B.雙路直流電源 C.單路直流電源 D.交流電源
A.網(wǎng)采網(wǎng)調(diào) B.網(wǎng)采直跳 C.直采網(wǎng)調(diào) D.直采直跳
A.狀態(tài)號(hào)(事件計(jì)數(shù)器)、序列號(hào)(報(bào)文計(jì)數(shù)器) B.序列號(hào)(報(bào)文計(jì)數(shù)器)、狀態(tài)號(hào)(事件計(jì)數(shù)器) C.時(shí)標(biāo)、序列號(hào)(報(bào)文計(jì)數(shù)器) D.時(shí)標(biāo)、序列號(hào)(事件計(jì)數(shù)器)