NEC Neax 2000 Ivs2 Maintenance Manual

CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 73
16 Periodic 
maintenanceInspection kind 00: Battery check Exchange the battery.
20 DTI line failure 3:  XX
 XX XX XX
Fault Details Kind
(See below.)
Fault Detail Kind 00: PCM Loss Check the DTI cable 
connection.
Fault Detail Kind 01: Frame Loss
Fault Detail Kind 02: Multi frame 
Loss
Fault Detail Kind 03: AIS error
Fault Detail Kind 04: Remote 
alarmReplace the DTI card....

 NEAX2000 IVS2 Maintenance ManualPage 74  ND-70926 (E), Issue 1.0
CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
24
[Australia 
Only]Number of faulty 
trunks was more 
than predeter-
mined numberSearch for a line 
fault trunk by 
CMB0 Y=1 
or CMF5 Y=0.
Check to see if the
trunk line is faulty.
25 Number of line 
lockout stations 
was more than 
predetermined 
numberSearch for stations 
in line lockout by 
the configuration 
repor t on the MAT.
Place the handset 
of any station in line...

CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 75
26 DLC card down 3:  XX XX XX XX
4: XX XX XX XX
DLC Failure Kind (See below.)
LEN (000-763)
Station No. (X - XXXXXXXX)
DLC Failure Kind 00: Terminal was 
cut offCheck the cable 
connection 
between the 
terminal and the 
PBX.
Check to see if the 
cable is cut off.
Check to see if the 
Tip wire of the 
cable is grounded.
DLC Failure Kind 02: Short circuit 
was made on 
the...

 NEAX2000 IVS2 Maintenance ManualPage 76  ND-70926 (E), Issue 1.0
CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
26 DLC card down DLC Failure Kind 05: Terminal 
failureReplace the terminal 
with a known good 
one and check to see 
if the same failure 
occurs.
DLC Failure Kind 08: Terminal 
circuit failureReplace the terminal 
with a known good 
one and check to see 
if the same failure 
occurs.
27 Synchronism of 
DPC missed3: XX
 XX XX XX
DPC Failure Kind
DPC Number
DPC Failure Kind 00:...

CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 77
28 SMDR output 
buffer memory 
overflowMemory kind 02: Automatic print 
Buffer memory 
block
Memory kind 03: Automatic print 
Buffer memory 
blockConfirm if the printer 
power is on or printer 
is out of paper.
Memory kind 04: Notice of the rest 
of memory block 
numbers in the 
system
Memory kind 05: CCIS output 
Buffer memory 
block
Memory kind 06: CS repor t traffic...

 NEAX2000 IVS2 Maintenance ManualPage 78  ND-70926 (E), Issue 1.0
CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
Table 2-4  Fault Restoration Information 
FAU LT  
RESTORATION 
KIND NUMBERFAULT RESTORATION 
CONTENTFAULT RESTORATION
INFORMATION
18 AP card returned to normal 
condition3: XX XX XX XX
FP/AP Number
00-03 : FP No. 0-3
04-15, 20-31: AP No. 4-15, 
20-31
19 Power failure returned to 
normal condition3: XX
 XX XX XX
Power Failure 
Restoration Kind
00: AC input failure
01: Fuse...

CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 79
35 Number of lockout stations was 
less than predetermined 
number
36 DLC returned to normal 
condition3: XX
 XX XX XX
4: XX XX XX XX
DLC Failure Kind
00:  Terminal was cut off
02: Short circuit was made on the
line
03: Ring wire was grounded
04:  Tip wire was grounded or ter-
minal was unconnected
05: Terminal failure
08:  Terminal circuit failure
LEN (000-763)
Station...

 NEAX2000 IVS2 Maintenance ManualPage 80  ND-70926 (E), Issue 1.0
CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
STATION LINE STATUS DISPLAY
Item (1) shows the display format for the Station Line Status Display feature, and item (2) shows
the fault diagnosis and troubleshooting method.
For details of the Station Line Status Display feature, see Station Line Status Display on Page
32.
(1) Display Format
(2) Fault Diagnosis and Troubleshooting
Table 2-5 shows the line status and the...

CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS2 Maintenance Manual    
ND-70926 (E), Issue 1.0   Page 81
Table 2-5  Line Status and Remedial Action 
INDICATED
DATASINGLE LINE TELEPHONE
D
term
LINE 
STATUSREMEDIAL 
ACTIONLINE 
STATUSREMEDIAL 
ACTION
Hardware Test
00 Terminal is 
not con-
nectedCheck the cable 
connection 
between the 
terminal and the 
PBX.
Check to see if the 
cable is cut off.Terminal is 
not con-
nected or 
Tip wire is 
groundedCheck the cable 
connection...

 NEAX2000 IVS2 Maintenance ManualPage 82  ND-70926 (E), Issue 1.0
CHAPTER 2  TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
Software Test
01 Idle No action is required. Idle No action is required.
02 Line 
LockoutPlace the handset of 
the station in line 
lockout back onto the 
hookswitch.Line 
LockoutPlace the handset of 
the  station in line 
lockout back onto the 
hookswitch.
Other than 01, 02 Busy No action is required. Busy No action is required.
Table 2-5  Line Status and Remedial Action...