1. Who knows what function ups SMS alarm is?

The abnormal situation of UPS host can be sent to the manager's mobile phone by SMS. For example, if the power supply is out of power, overloaded or the UPS inverter is abnormal, it will send the corresponding information content to the set mobile phone number.

You can buy the SMS alarm that comes with UPS and connect it to the UPS host. You need to install a SIM card in the SMS alarm and ensure that there is a communication fee in the SIM card before you can send a message.