| 摘要 |
PURPOSE: A disaster alarm apparatus equipped with a digital amplifier is provided to generate high output with low power using the digital amplifying mode of the digital amplifier. CONSTITUTION: An RTU(Remote Terminal Unit)(20) comprises one or more PCI slots. The digital amplifier(100) can be equipped. The RTU comprises a CPU board for collecting the status information of the digital amplifier through the I2C control path. The RTU receives an alarm control signal from the control station. The effectiveness and protocol of the command are analyzed. |
