南宁高铁首条1550nm有线数字电视单纤双波实施方案及探讨

Nanning High-speed Rail First 1550 nm Digital TV Single Fiber Dual Wavelength Implementation Solution and Discussion

探讨了在单芯光纤中,通过"公共通道无源化,有源设备冗余化"的设计理念,采用密集波分复用(DWDM)技术、掺铒光纤放大技术、光信号自动切换技术,结合SBS抑制技术和色散补偿技术,实现高可靠冗余热备份数字电视传输网络的设计,与传统的数字电视传输系统相比,具有链路简单、中间环节少、结构模块化、故障影响面小等特点。

This article is discussing about digital TV transmission network design over Single core fiber , real-ized by using passive optic channel , redundancy active device , adopts DWDM technology , Erbium doped fiber amplifying technology , optical signal automatic switching , with SBS suppression , and dispersion compensation technology to achieve high reliable and hot swappable digital TV network .Compared with the traditional digital TV transmission system , it featured with simple optical link , easy module structure , much smaller failure rate .