What is the password of Vitti switching power supply?

12345。 Vitti Technology Co., Ltd. (referred to as Vitti Technology) was established in 2000, providing integrated solutions of hardware, software, analysis and extended service technologies, helping users of modern data centers, communication networks, commercial and industrial facilities to face formidable challenges, and providing comprehensive power, refrigeration and IT infrastructure solutions as well as a technical service portfolio covering the edge of the cloud to the network. The password of Vitti switching power supply is 12345. Switching power supply, also known as switching power supply and switching converter, is a high-frequency electric energy conversion device.