Max Ii Secured Series Hub Max Ii Access Control System Supports 2000 Users Per Door And 1500 Transactions. Includes One Door Control Module (Dcm) And Backplane To Support An Additional 3 Dcm'S In An Oversized Metal Cabinet With Cam Lock. Hub Max Ii Includes Hub Manager Professional Software Pc Connectors Ac Transformer Programming Keypad And Installation Instructions. Network Capacity Up To 32 Doors Per Site.