alarm Now all the telecom sites are shared by multiple operators, in these sites only a single point of fault alarms are provided. This will make difficulty to share the fault alarms for each operator’s because of their different alarm sensing voltage. To overcome this difficulty ALARM MULTIPLEXER is designed and implemented.
1.No separate power supply required.
 2.System can be operated by the same site battery
3.Board Operating voltage range 40VDC-50DC.
4.Compact Size Easy to Install
5.Cable tie hooks are provided to make easy cable routing.