How to upgrade your Centauri via ISDN 1) General Notes a) It is impossible to ISDN-upgrade a Centauri with version 1.1.0.14 or earlier directly to version 1.1.0.50. First you must upgrade it to version 1.1.0.32. Then you can ISDN-upgrade to version 1.1.0.50. 2) By frontpanel use (only with Centauri 2001 and 3001) a) Step to menu item and set redial attempts to 0 b) Step to menu item c) Type in address 0049811551661 (international) or 0811551661 (inside Germany) d) Start update by confirming with e) After connection is established select the software version f) Update progress is displayed at Centauri with LED'S + blinking alarm LED means download progress 0-25% + blinking overload means download progress LED 26-50% + blinking connect means download progress LED 51-75% + blinking framed means download progress LED 76-100% + all LED's blinking means Centauri updates itself g) Finally Centauri reboots itself h) Please check if Centauri update was successful in menu item 3) By Windows remote a) Step to menu item and set redial attempts to 0 b) Step to menu item c) Type in update address 0049811551661 (international) or 0811551661 (inside Germany) d) Select update version. 'Newer' will always update your Centauri to the newest available version. e) Start update process by pressing button. f) Update progress is displayed in - update progress field and update progress message - at Centauri with LED'S + blinking alarm LED means download progress 0-25% + blinking overload means download progress LED 26-50% + blinking connect means download progress LED 51-75% + blinking framed means download progress LED 76-100% + all LED's blinking means Centauri updates itself g) Finally Centauri reboots itself h) Please check if Centauri update was successful in menu item Note: If the super user gets lost you can find it out very easily. It is saved in the registry at HKEY_CURRENT_USER\Software\Mayah Communications\Centauri Remote\SuperUserPassword.