The ATS1190 smart card readers connect directly on the RS485 data bus of the control panel or 4-Door Controller and may be configured and addressed via a LCD keypad. Some security options (Site code & 4-byte security code) are only programmable via TITAN and configuration cards. The ATS1190 is supplied standard with a white removable dress cover, which can be interchanged with one of four other colors available (see Ordering Information).