| 摘要 |
PURPOSE: A duplexing apparatus of the IPC(Inter Process Communication) system is provided to realize a structural stability of IPC and complete duplexing between boards and links by realizing cross-dualization with two STM-1 links. CONSTITUTION: In a couple of main processors(20,30), an active main processor sends IPC data of a upper processor through cross-duplexed STM links or sends valid data in two IPC data received through the STM(Synchronous Transport Module) links to the upper processor. A couple of optical matching parts(23,33) convert valid data in two IPC data received through the STM links or convert optical signals into IPC data for transmitting to the main processors(20,30) through the STM links.
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