NEC Neax 2000 Ivs2 Maintenance Manual

NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 3
CHAPTER 1
MAINTENANCE SERVICE 
FEATURES
This chapter describes the general description, service conditions,
programming, and operating procedures of the maintenance service
features. 

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CHAPTER 1  MAINTENANCE SERVICE FEATURES
How to Read This Chapter
HOW TO READ THIS CHAPTER
In the programming procedure, the meaning of (1), (2), and marking are as follows:
(1): 1st Data
(2): 2nd Data
: Initial Data
With the system data clear command (CM00, CM01), the data with this marking is 
automatically assigned for each command. 

CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 5
FAULT MESSAGES
General Description
This feature stores fault information into the Fault Store Memory and displays the fault informa-
tion on the Maintenance Administration Terminal (MAT) or the Customer Administration Terminal
(CAT). The display format is shown below:
(1) Display Format on CAT/MAT by Command Operation
The fault information is separated into four parts and displayed...

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CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
(2) Display Format using MATWorX Studio
The fault information displays in the order that faults occur. 
Service Conditions
(1) Printout of fault information is possible through the printer connected to the MAT.
(2) The maximum number of fault information that can be stored is 64. If the stored information 
exceeds 64, the storing method (either overwriting new data or not storing new...

CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 7
Programming Procedure
DESCRIPTION DATA
Enable the fault information storage 
feature.(1)
(2)450
1 : To be provided
Specify the processing at the time of 
fault storage memory overflow.(1)
(2)451
0 : No fault information is registered 
in case of fault memory overflow
1  : Fault information is overwritten in 
case of fault memory overflow
Assign which kind of fault information 
is...

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CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
DESCRIPTION DATA
NOTE 3:The External Alarm Kind for
“Number of lockout stations
was more than predeter-
mined number” is fixed as
MN. The 2nd data of CMEA
Y=2 simply means the fault
information is to be regis-
tered into Fault Memory.
In this case, Alarm Kind
cannot be changed.
NOTE 4:The External Alarm Kind for
“Number of faulty trunks
was less than predeter-
mined number” is fixed to...

CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 9
DESCRIPTION DATA
NOTE 5:
The External Alarm Kind for
“Number of lockout stations
was less than predeter-
mined number” is fixed to
No Alarm. The 2nd data of
CMEA Y=2 simply means
that the fault information is
to be registered into Fault
Memory. In this case, Alarm
Kind cannot be changed.
NOTE 6:
CMEA programming can be
set using the Fault Storage
add-in of MATWorX.(1)
(2)35 :...

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CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
To clear the MJ/MN alarm by external key, perform the following programming.
DESCRIPTION DATA
Assign the card number for external 
key interface (PN-DK00) to the 
desired LEN.
NOTE 1:The card number of the ex-
ternal key interface (PN-
DK00) must be assigned to
the first LEN (LEVEL 0) and
third LEN (LEVEL 2) of each
card slot.
NOTE 2:Circuit No. 3 of E963 is used
for built-in External...

CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 11
Operating Procedure
(1) To Display Fault Message by CAT
The following flowchart shows the operation procedure for displaying fault messages by 
entering a command code (CMEA Y=0) from the CAT or by using the MOC Terminal feature 
or the MAT function in the MATWorX Studio.
Operation:
: Fault Kind Number  (See Ta b l e  1 - 1.)
: External Alarm Kind (MJ/MN) (See Table 1-3.)
CPU Kind...

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CHAPTER 1  MAINTENANCE SERVICE FEATURES
Fault Messages
: Fault Kind Number
Table 1-1  Fault Occurrence Kind Number
FAULT KIND NUMBER FAULT CONTENT
01 System initialization
04 MP-FP/AP communication failure
08 FP/AP card down
09 Power failure
12 CS/ZT fault occurred
16 It is a day for periodic maintenance
20 DTI line failure
21 DCH/BRT/PRT D-channel link connection failure
22 CCH link connection failure
24
[Australia Only]Number of faulty...