In a typical TDM-PON, is the broadcast approach deployed in the downstream or upstream transmission?
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In the WDM-PON system, how to identify a signal from a specific ONU?
Does EPON or GPON provide lower latency in general? Why?
What is the typical downstream wavelength in GPON system?
发生在学校和学校之外的主流培训系统的学习属于哪种类型的学习
A. 正规学习
B. 非正规学习
C. 正式学习
D. 非正式学习
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