DXC241 controls interlocking of 2 or 4 doors using door feedback sensor. It is a system which on request allows access to only one door for a predefined time and makes other door secure within the designated area. Buzzer indicators are used to indicate manhandling of the doors and will not allow to do so. Door groups can be formed in 4 door interlocking system. User can program door groups using PC based utility through serial communication. Door locking time and opening time can also be set using utility. A no touch switch / touch keypad is provided at the entry side of each door for access.
Four general purpose inputs (GPI) are provided for emergency door opening(e.g. through output of fire alarm system, or manual emergency door open switch). General purpose output (GPO) is a relay output, it can be used , for example to operate a siren.