E1 service clock in STM-1 board of 9000 32R1 version works in()clock mode by default. But it needs to be configured into()clock mode to ensure clock sync when the existing network runs MSC main boards and clock sync is not configured for the whole network.
第1题
clock.
第2题
第3题
第4题
A.nAuto
B.nservice recovery timing (customer)
C.nsystem clock
D.nloopback clock
第5题
A.nAuto
B.nprimary reference clock
C.nloopback clock
D.nsystem clock
第6题
第7题
A. service timestamps debug datetime msec
B. show clock detail
C. clock calendar-valid
D. service timestamps log datetime msec
第8题
第9题
A.A warranty registration form
B.A catalogue of new products
C.A list of service centers
D.The instruction for shipment
第10题
B.support GPS interface function; provide 1PPS+TOD signal
C.support sync Ethernet interface function; support sync Ethernet clock source
D.support network clock sync via E1 interface; provide clock signal as required by ITU-T G.813
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