The video shows how to create 2 door trap with Codeks software, Populus 4 (V7 or V9), 4 readers (direct or wiegand) and 2 normally closed (NO - when the door is closed) magnetic contacts.
You need to connect the readers exactly as it is shown on the connection scheme. Also create and set the macros in Codeks as it is shown in the video.
2 door trap is used when you have a hallway with 2 doors leading to the secured room and requirement for the opening of the second door is that the first doors are closed.
For example, the user opens the first door and enters the hallway. If he didn't close the first door, the entry reader to the secured room is blocked.
You need:
1x Codeks AC or TA
1x Populus 4
4x Reader's
2x el. magnetic contact
Connection scheme
During playback you can pause the clip at any time with left-click.