RELEASE 1.55 UPGRADE INSTRUCTIONS12-27Edition OneXC1000 Service12.11 ENABLE THE SPECIAL MESSAGE-WAITINGFEATURE FOR SMDI INTEGRATIONSMessage waiting is now performed by the scanner task instead of the linetask. This change frees the line task to process calls more efficiently. Toenable the special message-waiting feature from menu 4.2, use thefollowing steps:1. From menu 4, as shown in Figure 12-18, select option 2 – SpecialRS232 Message Waiting. Menu 4.2 appears on the screen.Menu 4 – Port Assignments1 – Configure Ports2 – Special RS232 Message WaitingEnter Option:Figure 12-18. Example of Menu 4 – Port Assignments.2. In the Special RS232 Message Waiting: field in menu 4.2, enter Y.3. Press ^C to return to the Main Menu.12.12 RETURN THE XC1000 TO SERVICE1. If the number of digits was changed in menu 1.1 for a DMS-100,change the number of digits back to 7 in the Number of Digits inExtension (Used for Message Waiting): field after the upgrade iscompleted.2. Enable all multiline hunt groups and SMDI links to the XC1000, sothat calls are again directed to XC1000. Use one of the followingmethods: Rreturn the pilot number of the multiline hunt group to XC1000. Reconnect the amphenol connectors from the SMDI connectionson the main backplane. Enable all line tasks in menu 4.3. Return the XC1000 to the system manager.12.13 HIGHLIGHTS Before upgrading a XC1000 to Release 1.55, all required equipmentmust be available. To upgrade to Release 1.55, the following procedures must becompleted: Service option enabled Validity checks run Garbage collect runSECTION 12.11 – 12.13