Issue Description
When the conference is going on the rails ,the image suddenly distortion
Handling Process
Return to normal after re-starting the host
Root Cause
When the conference is going on the rails , because the operator want to use other power equipment, to insert other device power outlet on the power outlet that connect to the 8020 terminal device. Instant impact on the 8020 terminal current signal, and interfering with the normal operation of the terminal internal circuit, lead to the terminal reduce anti-jamming performance for the lines, and reduce the image quality.
