通信电源系统是由交流配电单元、直流配电单元、高频整流模块、监控单元以及蓄电池组所组成的供电系统。它的主要功能是为各类通信设备提供稳定、不间断的-48V电压，具有高可靠、高效率、智能化、易操作特点。

The communication power supply system is composed of an AC power distribution unit, a DC power distribution unit, a high frequency rectifier module, a monitoring unit, and a battery pack. Its main function is to provide stable and uninterrupted -48V voltage for all kinds of communication equipment. It features high reliability, high efficiency, intelligent and easy operation.