Xen Topaz Programming Manual 9Introduction to ProgrammingBefore you Start ProgrammingConcept of 308M (Main Unit)The 308M(Main Unit) has Flash Memories and RAM. The System Software (Program) will be stored inFlash Memory and the customer data will be stored in RAM.1. Flash MemoryFor the initial installation, the System will start up from Flash Memory. The data in the Flash Memory isput by the Factory. In case of the Software Upgrading, the new System Software (Program) is loadedfrom a Compact Flash Card to Flash Memory.2. RAMAfter starting up the system and completing the programming, all customer data will be stored in RAM.It will be saved by Lithium Battery even if the power is going to be failed. For your safe, the customerdata can be stored to Compact Flash Card or your Hard disk of Personal Computer.System Start-UpThere are 4 types of Start-up Operation made as below.1. Initial Installation (COLD Start)This mode may be selected in case of first installation. The System Software (Program) will beloaded from Flash Memory to the RAM.♦ When entering Programming Mode at first time, the operation is as follows;1. The SW1 on the 308M unit will be set at the left side to “C” and turn System Power Switchto ON.2. Wait until 1-2 minutes, LED2(RUN) is going to be lit and the Key Telephone’s displayshows Time & Date with Extension number.After you change System Data, you must set the SW1 knob to right side to “H” to protect yourSystem Data. This switch must always remain in the “H” position for normal operation.2. Software UpgradingThis mode may be selected in case the existing system is upgraded. The existing System Software(stored to the Flash Memory) will be cleared, then the new System Software will be loaded from newCompact Flash Card. The existing Customer Data (stored to the RAM) will be cleared.♦ When the existing system is going to be upgraded, the new software will be loaded fromCompact Flash Card. And EXIFU-A1 unit is required. The operation is as follows;1. Make sure the Back-up Battery (Lithium Battery) has been installed completely and the SW1on the 308M unit must be set “H” position to protect the customer data.2. If previously powered up, the system must be turned off for upgrading software.3. Once the system has completed its power down cycle (LED is off), insert the Compact FlashCard containing the software upgrade into the Compact Flash Card Slot(CN4) on theEXIFU-A1 unit.4. SW1 is set to “C” side. Turn the system power switch to On. (LED status are as followings.)5. Wait until 1-2 minutes, when the loading is completed, the fast blinking of LED4 will stop.6. SW1 is set to “H” side and Power Off the system.7. Remove the Compact Flash card from the Compact Flash card slot.8. Power On the system. Wait until 1-2 minutes, LED2(RUN) is going to be lit.9. Confirm the Main Software Version Number by “OPAC” and “Dial 3”.3. Re-Installation (COLD Start)This mode may be selected in case of re-installation from factory setting. The existing SystemSoftware (stored to the Flash Memory) will be remained, and the existing Customer data (storedto the RAM) will be cleared.♦ When the system requires to re-install from factory setting, the operation is as follows;1. SW1 on the 308M unit will be set at the left side to “C” and turn System Power Switch toON.2. Wait until 1-2 minutes, LED2 (RUN) is going to be lit and the Key Telephone’s display