It is a high-voltage protection components used in device input. View>>

This device can transform the analog signal in telephone line into digital signals that PC can read, View>>

It is the variation scope of utility power allowed by UPS. The greater range is, the better adaptability of the UPS. View>>

Connector for transmitting signals. (refer to RS-232, TRANSFER) View>>

General LAN usually use this network standard to connect the computers. View>>

It refers to the final change of voltage when the power instantaneous disappear (break). View>>

Small UPS normally starts by a switch. But to start a medium-sized above UPS you need to operate more than one switch, then you should close one by one in order, in favor of improving the reliability of UPS. View>>

Within the UPS batteries, they mostly use the maintenance-free sealed lead-acid battery. View>>

It is a common language applied to electronic controller. View>>

It can be divided into three parts: View>>