Software architecture 57
All software programs, including the nonresident programs listed in the following section are resident in, and accessible from, the memory on the cards listed above.
Nonresident programs
Nonresident programs are stored on data disks and loaded into the overlay area of system memory to perform specific tasks. They are removed from the overlay area when no longer required. Nonresident programs can be loaded automatically, under program control, or manually, through software commands.
Nonresident programs are manually loaded into memory through the system terminal (or maintenance telephone). A terminal can be configured as an
Software programs provide the system interface for maintenance, service change, and traffic measurement. Each program is independent and has its own specific set of commands and formats. These programs run concurrently with normal call processing without interfering with system traffic.
There are five main categories of nonresident programs:
•service change and print routines
•maintenance diagnostics
•traffic
•equipment data dump
•software audit
Service change and print routines
Service changes do not usually require hardware changes. Instead, the service administration programs are used to create or modify all aspects of the system from individual feature key assignments to complete system configurations. There are also programs and print routines for retrieving data from the system to check the status of office data assignments.
Maintenance diagnostics
These programs are the primary instrument for clearing system faults. Individual programs are used for automatically or manually testing the Common Equipment and IPE. The programs can be loaded into the overlay area at the request of maintenance personnel, or as part of a daily maintenance routine automatically initiated by the system at a specified time. In addition, background and signaling diagnostic routines can occupy the overlay area when it is not in use.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Large System Overview
30 September 2008