Method used to output alarm signals to both the power distribution cabinet and the top of a cabinet

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One end of a cabinet alarm indicator cable is connected to a LAMP port on an EFI board, and the other end of the cable has four connectors, each of which is connected to the alarm indicator port at the top of a cabinet. Multiple subracks can be cascaded using straight-through network cables to monitor the alarms of their subracks in a centralized manner.
An alarm output interface cable is used to output and concatenate alarm signals. There are RJ45 connectors at both ends of the cable. During alarm signal output concatenation, both ends of the cable are connected to the ALMO alarm ports in different subracks. During alarm signal output, one end of the cable is connected to the ALMO alarm port, and the other end of the cable is connected to a power distribution cabinet or another device. In this way, alarms are displayed in a centralized manner.

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