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The so-called "one card" means that the access control attendance consumption and even the parking lot all use the same card for management. Cards are registered and managed in different software systems. The so-called "one soft pass" is all the management functions such as access control attendance consumption and parking lot in the same software, and the card can be registered only once in the software. The so-called "specialization in the medical industry" has made the company with good access control systems not necessarily do a good job of consumption, and the parking lot is doing well. By the same token, companies that do a good job in consumer spending may not be able to do a good job of control. Everything is done, and often nothing is done well. The card industry is still at the initial stage of development in China. There are no large-scale and mature companies, and all projects can be done the best. Some companies have seen the development prospects of "a soft pass + one card", some products do their own, some products are introduced through OEM OEM, and foreign declarations are all made by themselves. This model has some truth. However, if there is a problem with their cooperation model, or when quality problems and design problems arise in the products that are introduced, consumers cannot obtain sustainable after-sales services and quality assurance. There will be objective issues such as evading responsibility or failing to upgrade. Therefore, I still recommend that you purchase access control systems and software from professional access control manufacturers, purchase consumer machines and management software from consumer system manufacturers, and purchase parking facilities and software from professional manufacturers of parking systems. We promise to use the same format for sensing. card. If your attendance is not complicated, you only need to purchase the access control software, because the general access control software comes with a simple and practical attendance function (normal shifts). If your attendance requirements are complex, such as factory attendance, which involves multiple shifts and three shifts across the night shift, it is recommended that you purchase the attendance machine separately from the attendance equipment company. Some attendance equipment manufacturers have added a relay to their attendance machines and claim to have access control functions. The author thinks it is inappropriate. Because of the functional requirements of the access control system and time and attendance system, the inspection standards of the products are not the same. The access control system focuses on product stability and safety convenience. Attendance system focuses on the powerful attendance function, and the stability and anti-interference requirements are not high, because if the attendance machine crashes or garbled you can easily reset the power. The access control system requires the system to work long hours without crashing. If the person is locked outside the door, it is impossible to perform a power-off reset. Frequent power-off resets will also add a lot of trouble to your use. In addition, the attendance machine integrates the control circuit in the attendance machine, and the attendance machine is externally installed outside the door. It is easy to open the door illegally through the short-circuit method, and the security is hidden.