EPON FTTB宽带接入解决方案

EPON FTTB宽带接入解决方案

FTTB(Fiber To The Building)是FTTX+LAN的一种网络连接模式,即光纤到楼,是一种基于优化光纤网络技术的宽带接入方式,采用光纤到楼,网线入户的方式实现用户的宽带接入,我们称为FTTX+LAN的宽带接入网(简称FTTB),这是一种最合理、最实用、最经济有效的宽带接入方法。

采用EPON技术进行FTTB组网可节省从机房到小区的主干光缆,且结合EPON系统点到多点的组网优势,可灵活扩容升级,且EPON提供强大的网管功能,可准确定位故障点,方便维护和管理。

方案图为EPON系统在小区宽带中的一种应用。在机房放置OLT机架设备,宽带信号从OLT上联口输入,PON接口接入光缆后到达小区,在小区楼栋分布集中的区域放置分光器,分光器提供多个支纤,接入光缆到达楼栋多个后,接入ONU设备即可将宽带信号接入到各个楼栋。ONU设备下挂交换机,交换机接双绞线入户接入PC即可提供宽带服务。对于用户数量较少的楼栋,可采用提供8端口的FTHS-7208 ONU;对于多用户的楼栋,可采用单口的ONUFTHS-7200,然后下挂交换机;对于楼栋分布比较集中,但每个楼栋的用户数量不多的情况,可采用4口ONU FTHS-7204,FTHS-7204的4个端口分别下挂一个交换机,然后双绞线入户。

 

 

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