| 摘要 |
PROBLEM TO BE SOLVED: To enable just a single operator to take charge of plural unattended contract terminal equipments by means of a single center terminal equipment by connecting these contact terminals to the center terminal equipment. SOLUTION: This contract system consists of a center terminal equipment 11 which is operated by a person in charge and the unattended terminal equipments 1A to 1C which are connected to the equipment 11 and accept the operations of customers. Then the telegraphic messages are transmitted and received between the equipment 11 and the equipments 1A to 1C and the due processing is carried out. Thus, plural unattended contract terminal equipments are connected to a single center terminal equipments in this system. |
