3. SYSTEM CONTROL OPERATIONS DESCRIPTION
3.1 INTRODUCTION
This section contains descriptive material for system control operations associated with the
5ESS
®
-2000 switch.
Some operations or system control functions can be performed by means of stand-alone input messages. In such
cases, only a brief explanation of the function or the way to use the input message will be given.
Section 4 contains detailed level procedures for performing the system control operations.
The system control functions described in this section are as follows:
Date and Time:
Describes when and how the date and time can be set as well as the input messages to
change the date and/or time.
Alarm System Management:
Describes the input messages necessary to perform alarm release and to assign
alarm levels and labels, and the allowing or inhibiting of alarm reports.
Command and Test Scheduling:
Describes the four processes (automatic line insulation tests, automatic
progression testing, office dependent data backup, and routine exerciser) that can be scheduled automatically
by means of input messages. How to schedule these processes and how to change already scheduled ones
are discussed.
File and File System Management:
Gives a brief explanation of all the possible input/output messages and
some examples of how to use these messages. Since there are a variety of input messages to manage files
and the file system, it is impossible to show standard procedures.
Log File Handling:
Detects and corrects transient errors or determines a chronological order of events. How
these log files are built up and what types of log files are present in the system are described.
Network Management:
Avoids degrading of the network because of too many call attempts. One of the
management capabilities is the automatic or manual trunk group controls. What these controls are used for and
how it is possible to manipulate these controls by means of input messages are described.
3.2 DATE AND TIME
3.2.1 SET DATE AND TIME AFTER INITIALIZATION
After system initialization, the time and date have to be set. This can be done by using the
SET:CLK
input message.
This message sets the system clock to the specified date and time or adjusts the system clock by plus or minus the
seconds specified.
3.2.2 CHANGING DATE AND TIME
Changing the date and/or time can be done together or independently from one another. In a normal operating
exchange, the date will not have to be changed. However, when a system clock failure occurs, the date might have
to be changed after recovery. This can be done by means of the input message previously mentioned.
Changing the time can be necessary after a system clock failure or when the time has to be changed to/from
daylight saving time.
When changing date and time in an operating exchange, first check whether there are scheduled tests or ODD
backups present. This can be done by entering the
OP:BKUPSTAT
input message. If there are some tests
scheduled or ODD backups at the time the clock will be changed, it may be necessary to reschedule those tests.
235-105-210
October 1999
Copyright © 1999
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Summary of Contents for 5ESS-2000
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