NEC Neax 2400 Imx System Operations And Maintenance Manual

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SYSTEM MAINTENANCE OUTLINE
 History of fault
When did the fault occur? What kind of repair procedure has been executed? Does the fault still exist
or not exist? etc.
 Range of fault
Range of fault should be reported: Single line?, Specific trunk?, Specific circuit card?, Specific PIM?,
Whole system?, etc.
(2) Circuit Card Version Number, Program Name, and Program Package Version Number of the circuit card.
See Figure 2-26.
Figure 2-26   Circuit Card Version...

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4.2 Forwarding Faulty Circuit Card Method
Send the faulty circuit card to the NEC agent to whom a request is made for a replacement card. Adhere
to the following procedure for sending the faulty circuit card:
(1) Insert connector covers onto the circuit card terminals.
(2) Put the circuit card into a static electricity protective bag.
(3) Pack the circuit card with air cap, etc.
(4) Set the circuit card into the cardboard box for that...

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This page is for your notes. 

NDA-24238 CHAPTER 3
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SYSTEM MESSAGES
CHAPTER 3 SYSTEM MESSAGES
This chapter explains how to read and analyze system messages displayed during routine diagnosis, system
operation status controlling, and occurrence of a fault within the system. Table 3-1 provides a list of system
messages.
Table 3-1  System Messages List
MESSAGE NO.  SYSTEM MESSAGE
0-C Reset Interrupt
0-D CPU Clock Down
0-E C-Level Infinite Loop
0-F Memory Failure
0-G B1-Level Infinite Loop (Permanent)
0-H B1-Level...

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SYSTEM MESSAGES
3-B C-Level Infinite Loop (Permanent)
3-C C-Level Infinite Loop (Temporary)
3-D Lock-Up Failure (Permanent)
3-E Lock-Up Failure (Temporary)
3-F -48V Over Current
3-G Ground Failure
3-H Digital Line Warning
3-I Digital Line Failure
3-J Digital Line Restore
4-C Both TSW Ready Failure
4-D TSW Ready Failure
4-Q DLKC Ready Failure
4-R IO Ready Failure for UAP Note 4
4-S MUX Ready Failure
4-T Both MUX Ready Failure
4-U PCI Card Failure
4-V PCI Card...

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SYSTEM MESSAGES
7-B System Initialize
7-C CPU MBR Key Turn ON
7-D CPU MBR Key Turn OFF
7-E TSW MBR Key Turn ON
7-F TSW MBR Key Turn OFF
7-G TSW PLO Key Turn ON
7-H TSW PLO Key Turn OFF
7-I ALMC MB Key Turn ON
7-J ALMC MB Key Turn OFF
7-K PM MB Key Turn ON
7-L PM MB Key Turn OFF
7-M NCU MB Key Turn ON
7-N NCU MB Key Turn OFF
7-O Cyclic Diagnosis Normal
7-P Cyclic Diagnosis Information (Error Detected)
7-U PLO MB Key Turn ON
7-V PLO MB Key Turn OFF
13-A CCH Clock...

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SYSTEM MESSAGES
13-P Digital Line Restore
13-Q DRU Battery Operation
13-R DRU Line Operation
13-Z Power Failure
15-A VPS Failure (Temporary)
15-B VPS Failure (Permanent)
15-C VPS Restore
16-A Inside Trunk All Busy
16-B Virtual Tie Line Set Report
16-C Virtual Tie Line Cancel Report
16-E Virtual Tie Line Set Time Out
16-F Sender Start Time Out
16-K I/O Port Line OFF
16-L I/O Port Line Restore
16-M Hard Clock Failure
16-N Hard Clock Restore
16-T IOC Failure...

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SYSTEM MESSAGES
Note 1:
Refer to Fusion Network System Manual.
Note 2:Refer to the manual related to ATM.
Note 3:Refer to Wireless System Manual.
Note 4:Refer to the manual related to OAI.
23-L ATM Interface Recovered Note 2
23-P DCH Back-Up Automatic Change Start/End
23-Q DCH Back-Up Manual Change Start/End
23-R ATM Interface Change Report Note 2
23-S FCCH Failure Note 1
23-T FCCH Failure Recovered Note 1
23-U FCCH Status Notice Note 1
23-W FCCH Advancing Start...

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SYSTEM MESSAGES
This message displays when the processor is reset due to a failure in the system.
➀ Self-CPU Restart Information
➁ Mate-CPU Restart Information (FF 
H: not mounted)
➂ Related-call Release Result
Reference: See Chapter 5, Section 6.2 and Section 6.3, for the repair procedure.
1: XXXX XX00 XXXX 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
➀➁ ➂ ➃
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8:...

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SYSTEM MESSAGES
➃Data Load Result after restart 
processing
Note 1:Phase 1 Restart is executed when initializing the system without disrupting the following two-way
connections that have already been established:
 Basic two-way connections (STN-STN, STN-TRK, TRK-TRK)
 Fixed connections
 Two-way connections established on a Fusion link
For more details, see Chapter 6, Section 12.2.3.
Note 2:Number sharing data load also affects the data load of Dual Station...