Instruction manual

Designing and Planning an M2150 System
Access Control Design Guide 25
IN4004
Cathode
Anode
Inductive load, e.g. electric lock or
striking plate
Figure 2-4: Connecting a Noise Suppression Diode
Choosing Cable Supervision
The cables to the door monitors and exit-request buttons can be supervised for short and open circuits, as
described on page 31. Determine the level of cable supervision that the customer requires, and make sure
that the correct resistors will be available to the installer.