DATA COMMUNICATION SYSTEM, DATA COMMUNICATION EQUIPMENT, OPERATION MANAGING SYSTEM, AND OPERATION MANAGING INFORMATION COMMUNICATION EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide an operation managing system and operation managing information communication equipment that can ex the communication of operation managing information at a low cost without requiring a complicated operation. SOLUTION: The center terminal 20 of a center office 2 and a portable telephone device 30 are connected through a network 1 having base stations 4 and 5 and exchange operation managing information A communication adapter 31, a key input device 32 and a GPS sensor 33 are connected to the device 30 in this order. Operation managing information including data based on key data from the device 32, present position data from the sensor 33 and present time data is transmitted from the portable telephone device 30 to the center terminal 20 under the control of the adapter 31 so that the vehicle 3 in the center office 2 is managed.