- 6 -2. Installation EnvironmentPlease keep in mind the following conditions when you install the product.You might need to obtain the user's consent if necessary.① This product is originally designed to install indoors. If you have toinstall it outdoors, however, do not expose the terminal to directsunlight, snow or rain.② The connection cables should not be exposed outside, and it is highlyrecommended to bury them underground. If that is impossible, youmust obtain the user's consent before installation.③ Power supply should begin after all connections are completed. Donot disconnect the lines or make any additional connections while thepower is supplied.④ If you install the product as an access controller at a proper height forthe users and in a near place that facilitates control of the entrance,you can use it more efficiently.⑤ The power requirement for the system is AC 100~240V, 50/60Hz.