Issue
Maximum number of expansion modules and doors per controller
Environment
SP-C Security Expert Security Expert Controller
SP-RDM2 Security Expert Security Expert Door Expansion Module
Cause
Documentation states that one SP-C supports up to 128 doors but this is dependent on the communications.
Resolution
The current recommendation from Product Management is a maximum of 24 to 34 doors per SP-C. This equates to about 10 to 17 reader expansion modules.
