208 / Planning the installationModular ICS 7.1 Installer Guide N0130943 02• When you upgrade to a 7.1 system, target lines areincreased on mega systems by 32. Also on Mega systems,you can now install digital telephones on station modulesinstalled in ports 13 and 14. Each slot supports 16 newterminal numbers.Supported upgrades in MICS 7.1When upgrading, Call Log information may belost.During a system restart, Call Log information isnot saved. Make sure to notify users if a systemrestart is planned so any log information can berecorded first.A loss of UTAM information occurs whenupgrading US MICS-XC systems.UTAM Recovery Codes are required. If you areupgrading the system to include Companioncomponents.Target UpgradeMICS7.1USA-MICS-XC7.1CDA-MICS-XC7.1Upgrading from...MICS (all versionsprior to 6.1)For MICS versions1.0 thru 4.0 use the 4.1 UpgradeTool; once complete, use the 6.1 upgrade tool, thenload the MICS 7.1 software.For versions 4.1 thru 6.0 use the 6.1 Upgrade Tool.Once the upgrades are complete, load the MICS 7.1software.Note that line numbering will change after thisupgrade.MICS (all versions)6.1 and 6.1 MRInsert MICS CS ROM cartridge with appropriatesoftware load.
