Specifications include, but are not limited to: Access Control Cabinet - six slot equipment enclosure with Lock/Key. Accepts four 1040 series controllers, one 1040CDM, with one expansion slot. Access Control Cabinet - Power Distribution Panel that includes one enclosure, one SP150 15V power supply,one 1040PDM power distribution module. Lock Power Module is ordered separately. Backup Batteries are also sold separately for Controller Power and optionally for Lock Power. Access Control Cabinet - The DSX-LAN module is used to provide Local or Wide Area Network Communications between the Comm Server PC and the Master Controller. The DSX-LAN can also be used with a Slave Controller or a cluster of Slave Controllers with the use of the DSX-IP-HUB.