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NDA-24300 CHAPTER 6
Page 433
Issue 1
SYSTEM OPERATIONS
9. OFFICE DATA MANAGEMENT
This section explains how to manage various kinds of data such as Call Forwarding Data, Individual Speed
Calling Data, and Office Data, etc.
9.1 Office Data Stored Locations
The office data is stored in the memory (MEM) and on the Hard Disk (HD). While the system is in service,
it operates by the office data stored in the memory. Should the contents of the office data be destroyed due
to trouble, the system restarts its operations by loading the office data from the hard disk into the memory.
The office data of the system in operation is being backed up by the hard disk.
9.2 Office Data Preservation
Since the PBX keeps operating by the assigned office data, be sure to preserve the latest office data. If the
office data is not preserved, all office data must be reassigned if the contents of the data memory have been
destroyed, because of trouble occurrence, etc. The system will remain in a system down state until reas-
signment of the office data is complete.
Practice to verify and confirm the valid office data by routine maintenance is considered an effective
means to prevent loss of the office data and occurrence of trouble due to the office data. For this reason,
be sure to keep the following items near the system at all times so that they may be available when needed.
(1) Office Data Programming Sheets
As the most up-to-date data must be recorded in the sheets, be sure to make entries by pencil.
(2) Floppy Disks for Data Saving
To back up the office data stored on the HD, use floppy disks. The necessary number of Floppy Disks (FD)
is determined by the following factors:
• Mounting capacity of office data depends upon the system data (SYS1, Index30).
• Each floppy disk can save 1MB of data. After a large-scale office data change, in particular which
includes system data, unpredictable failures might occur. To deal with such failures, prepare an FD
for saving the office data before the changing. In addition, prepare an FD for saving the latest office
data.