Getting Starte
 
E-Plex Advanced ACS User’s Guide 
PKG 3114 0106  2–17
 
5.  If your Customer Key changes for any reason, i.e., for security reasons, you can access 
the Enter Customer Key screen from the E-Plex ACS menu by selecting Cust. Key. 
 
You will now be able to program and audit the E-Plex 5200/E-Plex 5700 locks using the M-
Unit.  
Installing the Prox Card Reader/Enroller (E-Plex 5700 Only) 
If you are using a Prox Card Reader/Enroller with the system, you should attach it to a USB 
port on the PC before you start the software for the first time. You should enable the device 
(as connected) in the System Setup | System Settings menu of the E-Plex Advanced ACS 
software. 
Starting the E-Plex Advanced ACS Software on the PC 
You can start the E-Plex Advanced ACS on the PC by clicking the E-Plex Advanced ACS 
icon on the Desktop (recommended). 
 
Or, you can start the software from the Windows Start | Programs menu.