SECTION 3 MAIN SOFTWARE UPGRADING3.1 GeneralThe main system software is initially stored in the Flash memory located on the CPU card of the MainKSU. It can be upgraded by the new software on the CF (Compact Flash) card.3.2 Before Upgrading the Main SoftwareNEC recommends that a backup of the customer data is performed beforeupgrading the main software (either PCPro file or CF card backup).Before upgrading the main system software, the following preparations are necessary.• Prepare the CF Card (32MB, or upwards and formatting by FAT(16)), and store the new mainsoftware on the CF card by PC. (New main system software is supplied by NEC.)• Install the PZ-VM21 PCB. (if the system does not have it.)3.3 Main Software Version ConfirmationThe Main software version is confirmed by the following operation at the display type MultilineTelephone.1. On-hook Condition.TUE18 7:27PM200Figure 4-14 Display of Multiline Telephone2. Press Enter Key (Navigation Key).100:OPRN LST 1/4>Call History:003. Dial 821 to show the Main Software version & Hardware Key Code.Main Ver: 01.00HWK:XXXXXXXXXXXX4. Press Right Key (Navigation Key) to show the Main Software version & MAC address.Main Ver: 01.000060-XXXX-XXXX5. Off-Hook and return to Time & Date mode.TUE18 7:27PM200ISSUE 3.0 SL1000Hardware Manual 4-9
