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NEC Neax 2400 Ipx System Operations And Maintenance Manual

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    							NDA-24307 CHAPTER 3
Page 83
Issue 1
SYSTEM MESSAGES
This message displays when the system detects all the failures concerned with input clock down or output clock
down in the PLO/CLK card (one of dual system).
➀ Details on detected PLO
Note 1:For CLK in TSWM1 (used in LN only).
Note 2:For PLO in TSWM0 (used in LN only).
➁ Valid Information bit for Scan 
Data 1
➂ Valid Information bit for Scan 
Data 2
See Chapter 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
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
b6: 0/1 = -/CLK card failure Note 1
b7: 0/1 = -/PLO card failure Note 2
b0-b7: The bit position corresponding to the detected information in Scan 
Data 1 ( ) is flagged “1”.
➃
b0-b7: The bit position corresponding to the detected information in Scan 
Data 2 ( ) is flagged “1”.
➄
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    							CHAPTER 3 NDA-24307
Pag e 8 4
Issue 1
SYSTEM MESSAGES
➃ Scan Data 1: Status of the PLO card
➄ Scan Data 2: Current status of the 
PLO card
Note 1:The clock status includes that of PH-CK18 (CLK) card.
Note 2:This information includes the failure detected in PH-CK18 (CLK) card. b7 b6 b5 b4 b3 b2 b1 b0
b4 b1 b0
b0: Clock status at the time of detection Note 1
0/1 = STBY/ACT
b1: Circuit card status at the 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 Note 2
b7: 0/1 = -/Drifting
b3b4DCS Input RouteRoute of Input Clock
00 0 0
01 1 1
10 - 2
11 - 3
b0: 0/1 = -/5msec clock down
b1: 0/1 = -/Frame signal from SYNC card is down
b4: 0/1 = -/Internal OSC clock down
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    							NDA-24307 CHAPTER 3
Page 85
Issue 1
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 The kind of failure
➂ Speech Path/Clock System
See Chapter 4 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
b0
b7 b6 b5 b4 b3 b2 b1 b0
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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    							CHAPTER 3 NDA-24307
Pag e 8 6
Issue 1
SYSTEM MESSAGES
This message displays when the changeover of the TSW system is executed.
➀ACT side Speech Path (TSW) after 
changeover
➁ Reason for changeover
1: XXXX 0000 XXXX XXXX 2: 0000 0000 0000 0000 3: 0000 0000 XXXX XXXX
➀  ➁ ➂  ➃ ➄  ➅  
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
b0
b7 b6 b5 b4 b3 b2 b1 b0
Default Alarm:
NON1-TTSW ACT Change ReportDefault Grade:
2Grade Modified: Lamp Modified:
192122
b0: 0/1 = No. 0 system/No. 1 system
b7-b4b3-b0CARDCONTENTS
01TSWI/O Alarm
2 32 ch Clock down, FH down
3 24 ch Clock down, FH down
6 TSW SW Memory write failure
9 I/O Alarm release
10 32 ch Clock down recovered, FH down 
recovered
11 24 ch Clock down recovered, FH down 
recovered
13 TSW MBR key OFF
15 TSW ACT/STBY changeover by the 
CMODI command
6 1 MUX MUX circuit card Ready failure
2 MUX circuit card Clock failure
20
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    							NDA-24307 CHAPTER 3
Page 87
Issue 1
SYSTEM MESSAGES
➂~➅ Status of ACT side TSW card
~
 Status of STBY side TSW 
card b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b0-b3, b4-b7: The status of TSW card in each MG (00~07)
0000 = Normal
0001 = Abnormal (Impossible to make links)
➂MG00 MG01
➃MG02 MG03
➄MG04 MG05
➅MG06 MG07
b7-b4 b3-b0
b0-b3, b4-b7: The status of TSW card in each MG (00~07)
0000 = Normal
0001 = Abnormal (Impossible to make links)
MG00 MG01
MG02 MG03
MG04 MG05
MG06 MG07
b7-b4 b3-b019
20
21
22
1922
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    							CHAPTER 3 NDA-24307
Pag e 8 8
Issue 1
SYSTEM MESSAGES
This message displays when DLKC data transfer failure (temporary), shown in message [1-V], occurs more
than 16 times an hour. At this time, the faulty DLKC card is shut and its switching network automatically
changes over.
➀ System status of faulty DLKC card
➁ Error Code
➂ Details on Switching Network
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
b0
b7 b6 b5 b4 b3 b2 b1 b0
b1 b0
Default Alarm:
MN1-UDLKC Data Transfer Failure (Permanent)Default Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = No. 0 system / No. 1 system
01H: Firmware fault
02H: Data transfer time out to DLKC
03H: No answer time out (at DLKC)
04H: Data parity error
b0: Status of Speech Path System (including DLKC)
0/1 = No. 0 system is ACT/No. 1 system is ACT
b1: Status of basic clock
0/1 = No. 0 system is ACT/No. 1 system is ACT
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    							NDA-24307 CHAPTER 3
Page 89
Issue 1
SYSTEM MESSAGES
This message displays when a data sending error or no answer error occurs at the time of data transfer from
CPU to DLKC card.
➀ System status of faulty DLKC card
➁ Error Code
➂ Details on Switching Network
Note:This data displays when the STBY DLKC card is detected as faulty.
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
b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b1 b0
Default Alarm:
SUP1-VDLKC Data Transfer Failure (Temporary)Default Grade:
1Grade Modified: Lamp Modified:
b0: 0/1 = No. 0 system / No. 1 system
01H: Firmware fault
02H: Data transfer time out to DLKC
03H: No answer time out (at DLKC)
04H: Data parity error
b0: Status of Speech Path System (including DLKC)
0/1 = No. 0 system is ACT/No. 1 system is ACT
b1: Status of basic clock
0/1 = No. 0 system is ACT/No. 1 system is ACT
b7: Information on Reset of STBY DLKC  Note
0/1 = - /STBY DLKC card was reset
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    							CHAPTER 3 NDA-24307
Pag e 9 0
Issue 1
SYSTEM MESSAGES
This message displays when a PLO/CLK-related failure, such as internal clock down is restored.
➀ Restoration of PLO fault
➁ Current status of PLO card
➂ Current status of the PLO card
Note 1:The status includes that of PH-CK18 (CLK) card.
Note 2:This information includes the failure detected in PH-CK18 (CLK) card.
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
b0
b7 b6 b5 b4 b3 b2 b1 b0
b4 b1 b0
Default Alarm:
NON1-WPLO RestoreDefault Grade:
3Grade Modified: Lamp Modified:
b0: 0/1 = PLO No. 0 system/PLO No. 1 system
b0: 0/1 = Clock is in STBY side/ACT side Note 1
b1: 0/1 = PLO synchronizing/PLO self running or drifting
b2: 0/1 = -/Input clock down
b3, b4: Route of input clock (see the table below)
b5: 0/1 = -/PLO input all down
b6: 0/1 = -/PLO output down Note 2
b7: 0/1 = -/Drifting
b4b3Connected With Primary 
Oscillator (M-OSC)Connected With 
External Clock
0 0 No. 0 M-OSC Route 0
0 1 No. 1 M-OSC Route 1
10–Route 2
11–Route 3
b0: 0/1 = -/5msec clock down
b1: 0/1 = -/Frame Synchronization from SYNC card is down
b4: 0/1 = -/Internal OSC clock down
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    							NDA-24307 CHAPTER 3
Page 91
Issue 1
SYSTEM MESSAGES
This message (for the ISW only) displays when a TSW card (one of the dual systems) of ISW fails to receive
the CLK/FH signals, sent from the LN side.
➀ TSW detected as faulty
➁,➂ Details on the fault (TSW No. 0 
side)
➁
➂
Note 1:This data is displayed when b0 of ➀ is set as “1.”
Note 2:For more information on each lamp, refer to the “Circuit Card Manual.”
1: XX00 XXXX XXXX 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
b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
LN13 LN12 LN11 LN10 LN03 LN02 LN01 LN00
b7 b6 b5 b4 b3 b2 b1 b0
LN33 LN32 LN31 LN30 LN23 LN22 LN21 L200
Default Alarm:
NON1-XLN 
→
→→ → ISW CLK/FH Failure
Default Grade:
0Grade Modified: Lamp Modified:
b0: 0/1 = -/No. 0 system
b1: 0/1 = -/No. 1 system
The bits here correspond to “LN00” through “LN33” lamps, apiece, on a 
TSW (PU-SW00) card of No. 0 system. If “1” is set, the corresponding PCM 
traffic has encountered a CLK/FH failure.
0: -
1: LN 
→ ISW CLK/FH Failure
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    							CHAPTER 3 NDA-24307
Pag e 9 2
Issue 1
SYSTEM MESSAGES
➃,➄ Details on the fault (TSW 1 
side)
➃
➄
Note 1:This data is displayed when b1 of ➀ is set as “1.”
Note 2:For more information on each lamp, refer to the “Circuit Card Manual.” b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
LN13 LN12 LN11 LN10 LN03 LN02 LN01 LN00
b7 b6 b5 b4 b3 b2 b1 b0
LN33 LN32 LN31 LN30 LN23 LN22 LN21 L200
The bits here correspond to “LN00” through “LN33” lamps, apiece, on a 
TSW (PU-SW00) card of No. 1 system. If “1” is set, the corresponding PCM 
traffic, once detected as faulty, has recovered.
0: -
1: LN 
→ ISW CLK/FH Failure
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