Error recovery device and method for optical-cable TV head-end surveillance environment block

摘要

When the monitoring and monitoring function cannot appear on the main control board of the monitoring head on the multi-point Baltic network,Switch the sliver control board to the main control board,In the electronic control panel, the optical cable television terminal monitoring device and method replacing the function of the main control panel,The component of the light TV - the terminal has a monitoring ring of Berkeley.To prevent traffic jams,In order to replace the function of the main control board, each line board is set,If there is an error on the main control board, replace its function on the slave control board,Even if an error occurs, normal functions can be performed.