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1.基本情况比较PON主要分为APON/BPON(ATM PON/宽带PON)、EPON(以太网PON)和GPON(千兆比特PON)几种,其中, EPON由于非常适合IP业务的宽带接入,得到了更大程度的发展和商用,业界把
1. Comparison of Basic Conditions PON is mainly divided into APON / BPON (ATM PON / Broadband PON), EPON (Ethernet PON) and GPON (Gigabit PON). Among them, EPON is suitable for broadband access of IP services, Get a greater degree of development and commercial use of the industry