提出了一种新颖的功率管理方案 ,用于波分复用全光环网中 .它以节点孤立原则为基础 ,采用预均衡技术对经掺铒光纤放大器 (EDFA)放大后的所有光信道功率均衡 ,简化了网络监控方案 ,增强了网络监控功能 .把该功率管理方案应用到 SHAONET全光通信环网试验平台中 .计算机仿真结果与实验结果十分吻合 ,证明提出的环网功率管理方案是可行、有效的 . A novel power management scheme is proposed for all-optical ring network with wavelength division multiplexing, which is based on the principle of node isolation and uses the pre-equalization technique to equalize the power of all the optical channels amplified by the erbium-doped fiber amplifier (EDFA) Which simplifies the network monitoring scheme and enhances the network monitoring function.This power management scheme is applied to the SHAONET all-optical communication ring network test platform.The computer simulation results are in good agreement with the experimental results, which proves that the proposed ring network power management scheme is feasible and effective of .