REMOTE MAINTENANCE SYSTEM FOR PRIVATE BRANCH OF EXCHANGE AND PRIVATE BRANCH OF EXCHANGE USED FOR THE REMOTE MAINTENANCE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a remote maintenance system that executes remote maintenance continuously for private branch of exchanges (PBX) which constructs a private line network. ;SOLUTION: In a network consisting of a private line 20 connecting between a PBX (master station) 10M and a PBX (slave station) 10S, the master station 10M houses a remote maintenance data terminal 30 via a public line 50 and is provided with a function 161 controlling the connection to the slave station, a function 162 controlling maintenance data communication, a means 163 that always monitors a data communication content for the remote maintenance and a function that switches another PBX based on a command of swithcing the other PBX during the remote maintenance of a PBX.;COPYRIGHT: (C)1998,JPO