In the LHM series 1200 and LTM equipment the control system includes many electronic cards that used in several racks, which takes up a lot of time for troubleshooting and repairing the equipment.  In order to prevent the defects due to power failure, batteries, chargers and etc. 
which causes many defects in the cards, therefore, this company, has designed and constructed a voltage protection controller for the entire system that in case of any undesirable change in system’s power supply, the power of the whole  electronic racks will be disabled. It is worth mentioning that this system is installed on Imam Khomeini port Bandar and Abbas's port equipment.