COMMUNICATION SYSTEM, COMMUNICATION SYSTEM MANAGING METHOD, RELAY DEVICE, RELAY DEVICE CONTROL METHOD, PROGRAM, AND RECORDED MEDIUM

摘要

A communication system comprising a relay device (140) connected to a network (130), a medium converter (150a) connected to the relay device (140), and a managing device (180) connected to the relay device (140) and a medium converter (150a) and adapted to manage the medium converter (150a), characterized in that the relay device (140) has a first relay unit for receiving a management command for commanding the management of the medium converter (150a) from the network (130) and transmitting the management command to the managing device (180), and the managing device (180) has a first management command receiving unit for receiving the management command from the relay device (140).