SYSTEM MAINTENANCE

4.2 DIAGNOSTICS FROM SYSTEM MESSAGES

Figure 9-3shows the operations from the diagnostics based on system messages to the identification of the cause of fault.

Diagnostics from System Message

Determination of Faulty Circuit Card or Equipment

Identifies the cause of fault by analyzing the displayed system message 4-R “TCP/IP Link Failure” – See Sections 4.2.1 and 3.2.1.

5-Q “ACD MIS LOCK UP”

6-H “Bad Call Notification” – See the “NEAX2400 IMX System Operations and Maintenance Manual”.

26-V “LAN interface Error Report” – See Sections 4.2.1 and 3.2.3.

For other messages, refer to the “NEAX2400 IMX System Operations and Maintenance Manual”.

When an alarm, such as circuit card initialization, is displayed during diagnostics, press the ALM RST button to reset the alarm indication.

When the result of diagnostics shows that the fault is temporary, execute the “RALM” command to reset all alarms and system messages and supervise the system operation.

Go to Section 5, “Fault Recovery Procedure”

When the cause of fault is identified, perform the fault recovery procedure in Section 5, which is

 

shown inside

 

of the diagnostics procedures.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 9-3 Flow of Diagnostics from System Message

 

NDA-24282 (E)

CHAPTER 9

 

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NEC 2400IMX system manual ACD MIS Lock UP, Shown inside Diagnostics procedures