中国电信用于FTTB场景的EPONONU（LAN接口）设备集中采购招标技术规范书中国电信集团公司2008年12月目录1概述..................................................................................................................................................11.1范围.........................................................................................................................................11.2说明.........................................................................................................................................12EPON系统参考模型......................................................................................................................23设备形态和接口要求......................................................................................................................23.1设备形态.................................................................................................................................23.2设备接口.................................................................................................................................33.2.1PON接口............................................................................................................................33.2.2用户侧接口.........................................................................................................................43.2.3管理接口.............................................................................................................................43.2.4监控接口.............................................................................................................................54设备功能要求..................................................................................................................................54.1以太网交换的基本功能.........................................................................................................54.2VLAN功能...........................................................................................................