A. 正确 B. 错误
A. set uplink slot 19 port 3 interface sgmii B. set uplink slot 19 port 3 interface serdes C. set uplink solt 19 port 3 enable D. set uplink solt 19 port 3 disable
A. 可以 B. 不可以
A. show statistic olt epon-up B. show statistic olt nni-up C. show statistic olt lif-up D. show statistic onu epon-up