A total of four signal input veneer access device, which can be used to switch signals, can be used to level signals. 12V power input, users can communicate through the device and PC machines;
Signal access device can be used in community security (minimum security / disarm, alarm); could be a number of security products class community unified management control signal is the first choice of smart community projects.
Signal access device can be used in all other signals need to be unified management of systems engineering.
Provide secondary development package (SDK), for the system integration business.
