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NEC Neax 2400 Imx System Operations And Maintenance Manual

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    							CHAPTER 3 NDA-24238
Pag e 5 4
Revision 3.0
SYSTEM MESSAGES
This message displays when link information cannot be written into the switch memory of the TSW card in
one of the dual systems.
➀TSW system in which a fault is 
detected
➁ Status at the time of fault detection
➂ Data Analyzed by NEC Engineers
Reference: See Chapter 5, Section 5.4, for the repair procedure.
1: XXXX XXXX XXXX XXXX 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b0
Default Alarm:
MN1-BTSW Failure (Permanent)Default Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = TSW No. 0/TSW No. 1
b0: 0/1 = TSW No. 0/TSW No. 1
b6: 0/1 = Speech Path in ACT status
No. 0 system/No. 1 system
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    							NDA-24238 CHAPTER 3
Page 55
Revision 3.0
SYSTEM MESSAGES
This message displays when the link information cannot be written into the switch memory of the TSW in both
systems.
➀TSW system in which a fault is 
detected
➁ 
➂ Data Analyzed by NEC Engineers
Reference: See Chapter 5, Section 5.2 and Section 6.2, for the repair procedure.
1: XXXX XXXX XXXX XXXX 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b0
Default Alarm:
MN1-CBoth TSW Write FailureDefault Grade:
2Grade Modified: Lamp Modified:
b0: 0/1 = TSW No. 0/TSW No. 1
b0: 0/1 = TSW No. 0/TSW No. 1
b6: 0/1 = Speech Path in ACT status
No. 0 system/No. 1 system
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    							CHAPTER 3 NDA-24238
Pag e 5 6
Revision 3.0
SYSTEM MESSAGES
This message displays when the link information cannot be written into the switch memory of the TSW card
in one of the dual systems.
➀TSW system in which a fault is 
detected
➁ Status at the time of fault detection
➂ Data Analyzed by NEC Engineers
Reference: See Chapter 5, Section 5.2, Section 5.4, and Section 6.2, for the repair procedure.
1: XXXX XXXX XXXX XXXX 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b0
Default Alarm:
MN1-DTSW Write FailureDefault Grade:
2Grade Modified: Lamp Modified:
b0: 0/1 = TSW No. 0/TSW No. 1
b0: 0/1 = TSW No. 0/TSW No. 1
b6: 0/1 = Speech Path ACT status 
TSW No. 0 system is ACT/TSW No. 1 system is ACT
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    							NDA-24238 CHAPTER 3
Page 57
Revision 3.0
SYSTEM MESSAGES
This message displays when the system detects a clock failure, such as TSW internal clock down or Frame
Head down, in both systems.
➀TSW card in which a fault is 
detected
➁ Clock status of No. 0 TSW
➂ Clock status of No. 1 TSW
Note:Refer to the meaning of ➁.
Reference: See Chapter 5, Section 5.3, for the repair procedure.
1: XXXX XX00 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b1 b0
b7 b6 b2 b0
Default Alarm:
MN1-EBoth TSW Clock FailureDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = -/TSW No. 0 system
b1: 0/1 = -/TSW No. 1 system
b2: 0/1 = -/DTG output down
b6: 0/1 = -/External 32 ch Clock (PLO) No. 0 System down
b7: 0/1 = -/External 32 ch Clock (PLO) No. 1 System down
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    							CHAPTER 3 NDA-24238
Pag e 5 8
Revision 3.0
SYSTEM MESSAGES
This message displays when the system detects a clock failure, such as TSW internal clock down or Frame
Head down, in one of the dual systems.
➀TSW card in which a fault is 
detected
➁ Clock status of No. 0 TSW
➂ Clock status of No. 1 TSW
Note:Refer to the meaning of ➁.
Reference: See Chapter 5, Section 5.4, for the repair procedure.
1: XXXX XX00 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b1 b0
b7 b6 b2 b0
Default Alarm:
MJ1-FTSW Clock FailureDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = -/TSW No. 0
b1: 0/1 = -/TSW No. 1 system
b2: 0/1 = -/DTG output down
b6: 0/1 = -/External 32 ch Clock (PLO) No. 0 System down
b7: 0/1 = -/External 32 ch Clock (PLO) No. 1 System down
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    							NDA-24238 CHAPTER 3
Page 59
Revision 3.0
SYSTEM MESSAGES
This message displays when the system detects a fault, such as input clock all down or output clock down in
the PLO cards, at both sides.
➀ Detected PLO number
➁ Valid Information bit for Scan Data 
1
➂ Valid Information bit for Scan Data 
2
Reference: See Chapter 4, Section 2.3.2 and Section 2.3.4, for the circuit card replacement procedure.
1: XXXX XXXX XX00 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂ ➃ ➄
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Default Alarm:
MJ1-OBoth PLO FailureDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = No. 0 PLO/No. 1 PLO
b0-b7: Bit position corresponding to the detected information in Scan Data 1 
( ) is flagged “1”.
➃
b0-b7: Bit position corresponding to the detected information in Scan Data 2 
( ) is flagged “1”.
➄
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    							CHAPTER 3 NDA-24238
Pag e 6 0
Revision 3.0
SYSTEM MESSAGES
➃ Scan Data 1: Current Status of PLO 
card
➄ Scan Data 2: Current Status of PLO 
card b7 b6 b5 b4 b3 b2 b1 b0
b7 b4 b1 b0
b0: Clock status at time of detection
0/1 = STBY/ACT
b1: Circuit Card status at time of detection
0/1 = PLO synchronizing/PLO self running or drift abnormal
b2: 0/1 = -/Input clock down
b3, b4: Route of Input clock 
b5: 0/1 = -/PLO input all down
b6: 0/1 = -/PLO output down
b7: 0/1 = -/Drifting
b4b3DCS Input RouteRoute Of Input Clock
00 0 0
01 1 1
10 - 2
11 - 3
b0: 0/1 = -/5msec Burst Clock down
b1: 0/1 = -/Frame Synchronization from SYNC card is down
b4: 0/1 = -/Internal OSC clock down
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    							NDA-24238 CHAPTER 3
Page 61
Revision 3.0
SYSTEM MESSAGES
This message displays when the system detects all the failures concerned with input clock down or output clock
down in the PLO card at the ACT side. When this message is indicated, the PLO card changeover executes.
Note:The No. 0 PLO card automatically changes over to No. 1. The changeover of No. 1 to No. 0 is not
automatic.
➀ Self-CPU Restart Information
➁ Valid Information bit for Scan Data 
1
➂ Valid Information bit for Scan Data 
2
Reference: See Chapter 4, Section 2.3.2 and Section 2.3.4, for the circuit card replacement procedure.
1:XXXX XXXX XX00 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂ ➃ ➄
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Default Alarm:
MN1-PPLO FailureDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = No. 0 PLO/No. 1 PLO
b0-b7: Bit position corresponding to the detected information in Scan Data 1 
( ) is flagged “1”.
➃
b0-b7: Bit position corresponding to the detected information in Scan Data 2 
( ) is flagged “1”.
➄
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    							CHAPTER 3 NDA-24238
Pag e 6 2
Revision 3.0
SYSTEM MESSAGES
➃ Scan Data 1: Status of PLO card
➄ Scan Data: Status of PLO card b7 b6 b5 b4 b3 b2 b1 b0
b7 b4 b1 b0
b0: Clock status at time of detection
0/1 = STBY/ACT
b1: Circuit card at time of detection
0/1 = PLO synchronizing/PLO self running or drifting
b2: 0/1 = -/Input clock down
b3, b4: Route of Input clock 
b5: 0/1 = -/PLO input all down
b6: 0/1 = -/PLO output down
b7: 0/1 = -/Drifting
b4b3DCS Input RouteRoute Of Input Clock
00 0 0
01 1 1
10 - 2
11 - 3
b0: 0/1 = -/5msec Burst Clock down
b1: 0/1 = -/Frame Synchronization from SYNC card is down
b4: 0/1 = -/Internal OSC clock down
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    							NDA-24238 CHAPTER 3
Page 63
Revision 3.0
SYSTEM MESSAGES
This message displays when a fault of the speech path system has occurred in a specific Module Group. The
specific Module Group is placed into make-busy state.
➀ MG number of fault detection
➁ Kind of failure
➂ Speech Path/Clock System
Reference: See Chapter 4, Section 2.3.2, for the circuit card replacement procedure.
1: XXXX XX00 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀ ➁ ➂
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b1 b0
Default Alarm:
MJ1-SModule Group Down FailureDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = Even-numbered MG/Odd-numbered MG
b0-b7: 00H/01H = -/ACT side TSW fault
b0: ACT side speech path
0/1 = No. 0 system/No. 1 system
b1: ACT side clock
0/1 = No. 0 system/No. 1 system
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