Altronix T3GXK77F16SD kit consists of Trove3 enclosure, TCV3 CDVI/Altronix backplane with two (2) 24VDC @ 10A power supply/charger, two (2) eight (8) PTC protected dual input/output access control modules, two (2) 12VDC voltage regulators and two (2) eight (8) PTC protected dual input/output power distribution modules. This kit also accommodates one (1) 635 CPU, one (1) 635 DSI and eight (8) 635 DRM for up to sixteen (16) doors in a single enclosure. Trove simplifies board layout and wire management, reduces installation time and labor costs.