In the end , the pcb design and implementation of olt and onu are submit 最后,给出了olt和onu的pcb设计与实现。
Onu optical network unit 光纤网路单体
Onu : optical network unit 光纤网络单元
The passivated catalyst was tested or characterized by onu autothermal apparatus , xrd , dta and bet 对钝化后的催化剂进行了onu自热测试和xrd 、 dta 、 bet等表征。
Two groups of onus report and grant in turn , as the network load changes , olt converts the way of granting every onu 然后根据运营商的实际需要,提出另一种基于服务等级协议( sla )的算法sb - dba 。