Need to determine panel layout for a project using the universal enclosures.
From the data sheet...
Andover Continuum Power Supply and NetController, and up to two I/O modules or up to six I/O modules or CX 9702 SiteController.
Up to three I/O modules or CX 9702 SiteController or NetController (without a Power Supply) or VS-8-4 Video Switch Module.
Both units are designed to hold two standard 12 VDC 7AH lead acid batteries (not provided).
See the full data sheet here.