-ii-
2.3 软件结构....................................................................................................................................... 2-16
2.3.1 OAM 子系统........................................................................................................................ 2-16
2.3.2 应用层协议子系统 ............................................................................................................. 2-16
2.3.3 IPv4 传输路由协议子系统 ................................................................................................. 2-17
2.3.4 二层协议子系统................................................................................................................. 2-17
2.3.5 三层协议子系统................................................................................................................. 2-17
2.3.6 操作系统............................................................................................................................. 2-17
2.3.7 承载子系统......................................................................................................................... 2-17
2.3.8 GPON 业务子系统 .............................................................................................................. 2-17
2.3.9 TDM(CES)业务子系统.................................................................................................. 2-19
第 3 章 业务功能 ....................................................................................................................................... 3-1
3.1 业务概述......................................................................................................................................... 3-1
3.2 VoIP 业务......................................................................................................................................... 3-1
3.3 IPTV 业务........................................................................................................................................ 3-2
3.4 CATV 业务 ...................................................................................................................................... 3-4
3.5 宽带业务......................................................................................................................................... 3-5
3.6 TDM 业务 ........................................................................................................................................ 3-6
3.6.1 小容量语音用户................................................................................................................... 3-6
3.6.2 大容量语言用户................................................................................................................... 3-6
3.6.3 VOIP 转换为语音.................................................................................................................. 3-7
3.6.4 PBX 接入 ............................................................................................................................... 3-7
第 4 章 组网模式 ....................................................................................................................................... 4-1
4.1 组网概述......................................................................................................................................... 4-1
4.2 星型组网......................................................................................................................................... 4-1
4.3 树型组网......................................................................................................................................... 4-1
4.4 总线型组网
..................................................................................................................................... 4-2
4.5 典型组网应用................................................................................................................................. 4-3
4.5.1 FTTH...................................................................................................................................... 4-3
4.5.2 FTTB ...................................................................................................................................... 4-4
4.5.3 FTTO/C .................................................................................................................................. 4-4
第 5 章 技术指标 ....................................................................................................................................... 5-1