NEAX2400 ICS Business Features and Specifications
Page 208
NDA-24143, Issue 4
D-15 Day/Night Class of Service
D-15 Day/Night Class of Service
General Description
This feature permits any station to be assigned one CLASS OF SERVICE - INDIVIDUAL [C-15], for day
and another for night. System Data can be programmed so that once the ATTENDANT CONSOLE [A-3]
has entered the NIGHT CONNECTION [N-1,2] mode, a station's CLASS OF SERVICE - INDIVIDUAL [C-
15] will be automatically changed when required. Class may be upgraded or downgraded, and trunk
groups normally controlled by the Attendant in the daytime may be opened to station control in the night
mode.
Operating Procedure
This feature is controlled entirely via the ATTENDANT CONSOLE [A-3]. Pressing the “NITE” key or
removing the handset changes the service class. Releasing the “NITE” key or replacing the handset
restores normal CLASS OF SERVICE - INDIVIDUAL [C-15].
Service Conditions
1. DAY/NIGHT CLASS OF SERVICE may be assigned on a per tenant and per station basis.
2. DAY/NIGHT CLASS OF SERVICE may be assigned to different trunk restriction and service
restriction classes.
3. Refer to CLASS OF SERVICE - INDIVIDUAL [C-15] for further details.
4. Night mode restriction classes can be set at any time by entering the related command on the
MAINTENANCE ADMINISTRATION TERMINAL (MAT) [M-18].
5. When TENANT SERVICE [T-12] is provided with MULTIPLE CONSOLE OPERATION [M-4], the
system can be programmed for either all ATTENDANT CONSOLEs [A-3] or master
ATTENDANT CONSOLE [A-3] to control activation of DAY/NIGHT CLASS OF SERVICE.
6. When DAY/NIGHT mode changeover occurs, tenant number, day/night mode of the tenant,
status of the external switch, and cause of changeover are printed out on the alarm printer and
MAT printer. (This service is determined by System Data.)
7. Day/night information of the unused tenant is not printed out.
8. A maximum of 14 tenants' information can be printed per message.
9. An example of printout format is shown below:
SYSTEM MESSAGE 17-H [ ] DAY/NIGHT CHANGE INFORMATION
NEC ABIKO PLANT FEB 11 23:45
NMC-0-ACT
1:0101
0101 0201 0101 2:0301 0101 0401 0101 3:0A02 0201 0B02 0201
4:0C02 0201 1001 0002 5:1101 0002 1201 0002 6:C001 0000 C101 0000
7:D001 0101 FF02 0101 8:0000 0000 0000 0000 9:0000 0000 0000 0000
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