2023-11-15
PTN:Packet Transport Network,分组传送网,主要用于移动或数据业务的回传,属于传输网范畴,但与SDH相比是IP核心,更适合传数据业务,2M是通过电路仿真实现...
2023-10-20
PTN 即Packet Transport Network ,包传送网EPON 、GPON都是Passive Optical Network (PON无源光网络)的一种,EPON: Ethernet Passive Optical Networks、GPON: Gigabit-capable Passive Opti...