TESTING METHOD FOR COMMUNICATION EQUIPMENT

摘要: PURPOSE:To discriminate the cause of a communication defect at time occurrence system. CONSTITUTION:In system in which two equipments 10 and 20 incorporating MODEMs 11 21 inputting outputting parts are connected to each other through signal transmission lines 31 32 method one side equipment verifies operation 20, prescribed test is transmitted from testing line be tested, tested discriminates whether or not received MODEM 21. Then, when signal, it as is, return tested.