Answer: Reason 1: The host does not send a query command to the numerator. It is necessary to check the usage of the PC software o...
What is a self-service terminal? First, the definition of self-service terminal: (to the definition of Hangzhou Huitong Kiosk Co.,...
Power supply, communication How to wire the 4-pin cable of the card reader? Standard power supply: Red and yellow lines are connec...
UPS uninterruptible power supply maintenance This article mainly introduces the safety instructions, installation precautions, and...
