To make respective subordinate devices execute a communication setting processing by using consistent constitution information in a communication path setting control system in a communication network in which a main device and the plural subordinate devices are connected by an annular transmission line and the respective devices perform communication by a set communication path.
The main device 100 holds the respective pieces of the constitution information owned by the respective subordinate devices 200 in a constitution information holding means 101 and a subordinate information acquisition means 102 acquires the version number of the constitution information of the respective subordinate devices and operation state information. In the case that the subordinate device is in an operation start instruction waiting state, a subordinate device inspection means 103 inspects the consistency of the version number acquired from the subordinate device and the version number of the respective pieces of the Constitution information held by the main device, and only in the case that the consistency is confirmed, a constitution setting control means 104 instructs the communication setting processing. The respective subordinate devices hold the constitution information of the present device in the constitution information holding means 201, a subordinate information presentation means 202 presents the version number of the held constitution information and the state information of the present device and a communication constitution setting means 203 receives an instruction from the main device and executes communication setting by the owned constitution information.
| JPS63231427 | COHERENT LIGHT COMMUNICATION SYSTEM |
| JP3770711 | TIMING SIGNAL GENERATOR AND ITS METHOD |
| JPH03191626 | OPTICAL TRANSMISSION LINE MONITORING SYSTEM |
MIZUNO HIROYUKI
NAGAO HIROAKI
| JPS57135195A | 1982-08-20 | |||
| JPS57181894A | 1982-11-09 |