Maximum number of reader expansion modules and doors per controller

Issue

Maximum number of expansion modules and doors per controller

Product Line

Other

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.