Altronix T3MK77F16D kit consists of Trove3 enclosure and TM3 Altronix & Mercury backplane with two 24VDC @ 10A power supply/chargers, two eight (8) PTC protected output access control modules and two eight (8) PTC protected output power distribution modules. This kit also accommodates various combinations of Mercury boards for up to sixteen (16) doors in a single enclosure. Trove simplifies board layout and wire management, reduces installation time and labor costs.