The business card shows that the network connection failed when uploading
2017-03-18 16:20
Details of the problem:
The business card shows that the network connection failed when uploading
Expert answer:
Hello, thank you for using our products, If this happens, it is usually a network problem, please check whether the controller is online, whether the network cable is loose, and whether the IP address of the controller has been changed, if you have any questions, please consult us, we will arrange technicians to reply and follow up in time
