We have and installation with several units on the same network.When internet goes down all units restart exept the 915 which will need to be rebooth several times from the unit so it can regain the IP...Why does this happens? We have a cou ...

We recently install a couple of R20A on a vehicle access door ,hoever sometimes the door does not close properly os stays opne and we have not found a way to generate an alarm..Is it possible and how to do it?