You will be automatically enrolled in Medicare Parts A and B effective the month you turn 65. If you do not receive Social Security benefits, then you will need to sign up for Medicare by calling the Social Security Administration at 800-772-1213 or online at http://www.socialsecurity.gov/medicareonly/ .
The Client Access Server (CAS) is installed by default. Plan to have a Client Access server in each site that has an Exchange 2010 mailbox server. Your main clients will probably be desktop machines running Microsoft Outlook. Other client types include POP3, IMAP4, Exchange ActiveSync, Web, and Outlook Anywhere.
The CAS BACnet stack implements the Application, Presentation and Session layers of the OSI model. The BACnet stack is transport layer indepenent. This allowes you to use any transport layer that you want to including; TCP/IP, Ethernet (IEEE 802.3), RS232 (EIA-232, Serial) and RS485 (EIA-485, MSTP), PTP or ARCnet.