NEC NEAX 2000, Programming Manual

Page: 950 / 1200

ND-91285-001(E)
DECEMBER, 1999
Page 168
Revision 1.0
(1/1)
FAULT MESSAGE
GENERAL DESCRIPTION
This feature stores fault messages of the system and displays the fault messages on the MAINTE-
NANCE ADMINISTRATION TERMINAL (MAT). When a fault has occurred, this feature provides
alarm indication to external circuits by driving relay contacts.
STATION APPLICATION
Not applicable
OPERATING PROCEDURE
Refer to the Command Manual and MATWorX User’s Guide.
SERVICE CONDITIONS
1. Print-out of FAULT MESSAGEs is possible through the printer connected to the MAT. Print-out is by
manual request only.
2. The maximum number of FAULT MESSAGEs that can be stored in PBX is 64.
3. For providing external alarm indication, equipment such as a Fault Display Panel must be installed.
External alarm indication is provided using a contact to ground at the main distribution frame. One
contact is needed for minor alarms, and one contact is needed for major alarm.
4. The following FAULT MESSAGEs are provided:
• System initialized
• MP-FP/AP communication failure
• FP/AP board down/turned back to normal condition
• DTI line failure/turned back to normal condition
• CCH link connection failure/turned back to normal condition
• Number of lock-out station was more than/less than a fixed number
• SMDR output buffer memory overflow/turned back to normal condition
• DCH/BRT D-channel link connection failure/turned back to normal condition
• Number of Line fault was more than/less than a fixed number
• Alarm for predetermined time: Battery Change Alarm (three years)
5. This feature is also available form the Customer Administration Terminal (CAT).