题目内容
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[单选题]
ZXMP M800百兆监控系统中，公务以及保护倒换命令以组播的方式下发至多播组内的相关网元。每个系统有()个多播组
A.4
B.3
C.2
D.1
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
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A.4
B.3
C.2
D.1
如果结果不匹配，请 联系老师 获取答案
更多“ZXMP M800百兆监控系统中，公务以及保护倒换命令以组播…”相关的问题
A.OSCF
B.OHPF
C.OSCF&OHPF
D.OSCF&OHPF&APSF
A. Both the power line and the grounding line use the 10mm2 multi-strand lead wire. You can also use the 16mm2 multi-strand lead wire.
B.The external power lines include two blue wire, two black lines, and one yellow and green line, which represent -48V, -48V GND, and PGND.
C.Wires of all kinds of colors can be used in a mixed way.
D.The ZXWM M900/ZXMP M800/ZXWM-32(V1.1) equipment use the -48 V DC power supply
