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English to Russian translations [PRO] Tech/Engineering - Telecom(munications)
English term or phrase:LVD contacts are closed (green LED on)
Each LVD driver card has an automatic/manual selector switch to manually override automatic control of the LVD. If the automatic:/manual selector switch is set to AUTO, the LVD is controlled by the SM40 supervisory module. Two contactor status LEDs indicate whether the LVD contacts are closed (green LED on) or open (red LED on).