Page 2 Software Communication System v1.0 2007 NortelBefore you beginBefore you beginThis section describes tasks to complete before you start a new installation, including the following:• Verify hardware requirements: see page 2• Establish server addresses: see page 3• Common configurations: see page 4• Prepare installation worksheets: see page 6• Verify browser requirements: see page 7Note Throughout this document, you are instructed to use the SCS console command line. If you are unfamiliar with accessing theconsole command line, see Appendix A: Command line access on page 25.Verify hardware requirementsNortel has tested and certifies the following configurations to run the SCS.Minimum hardware requirements• Intel Core 2 Duo E6400 (2.13 GHz)• 1 GB DDR2 RAM 667 MHz (to support up to 250 users) or 2 GB DDR2 RAM 667 MHz (to support up to 500 users)• 80 GB hard disk• For HA setup, two servers are requiredNote The SCS runs on many different hardware variants, but Nortel supports only the above configuration.Establish server addressesThis preparatory task is critical to the success of your installation due to the impact on functionality, and the steps involved to obtain thesign-off and approval within an organization to make the necessary changes. Start this administrative task early. Select the fullyqualified host name and IP address for your SCS server.A fully qualified host name is in the format name>. name>, for example:scs.example.comscs2.example.eduThe recommended host name isscs. domain>Record your fully qualified host name and IP address in the Linux network settings worksheet on page 6.