Norstar ul 824_dr5.pdf - TextFiles.com

46 Module installationUpgrading the Software CartridgeBefore installing a Modular DR5 Cl Trunk Cartridge or CallIdentification Interface (CII), the KSU system Software Cartridgemust be upgraded to DR5.There are two possible situations where a software upgrade isnecessary:1 . upgrading from a DR2 Software Cartridge, or2. upgrading from either a DR3 or a DR4 Software Cartridge.Upgrading from DR2If you are upgrading from a DR2 Software Cartridge, you mustfirst upgrade to DR3 software.When a DR3 Feature Cartridge is plugged into a DR2 KSU, anautomatic upgrade takes place. In order to allow remoteprogramming of the NVRAM and prevent the automatic upgrade,the following should be done:2.3.4.5.Insert the Cartridge into the Data Cartridge prior toinstalling in the system.Place the new DR3 Feature Cartridge assembly into acaptive KSU with the appropriate Two-port or Six-portExpansion Cartridge, and power up the system.Perform the Administration programming appropriate for thecustomer’s site. This will maintain their DR2 programming.Change the Time and Date (either the hour or minutes, orboth). This sets a lock on the NVRAM data so that it cannotbe updated.Power down the captive KSU, remove the DR3 FeatureCartridge and take it to the customer site. To return a DR3Feature Cartridge to the state where an automatic upgradewill occur, perform ** Startup on it while it is in the captiveKSU.Modular DR5 Installer Guide