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NEC Neax 2400 Ipx System Operations And Maintenance Manual

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    							NDA-24307 CHAPTER 7
    Page 583
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    4. ROUTINE MAINTENANCE CHECK LISTS
    This section provides check lists (Maintenance Procedure Reports) to be used when performing routine
    maintenance. The Routine Maintenance Check Lists consists of the following items:
    Maintenance Procedure Report
    C.O. Trunk/Tie Line
    Register/Sender Trunk (RST)
    Digital Conference Function (8 CFT)
    Speech Path for each PIM, and Ringing Generator Unit
    Attendant/Desk Console 
    						
    							CHAPTER 7 NDA-24307
    Page 584
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    USER NAMESIGNATURE OF 
    SUPERVISORWORK TIME
    (FROM -  )
    Name of User (Company) Date: Maintenance
    ClassificationRoutine/
    Non-routine
    Control No. Maintenance
    Company
    Name of Equipment Room Temperature - °C 
    °F & humidity %Name of Worker
    Reference 
    SectionItem Detail Check Reference 
    SectionItem Detail Check
    3.1Check of Ambient 
    Conditions in the 
    Switch RoomAmbient 
    Temperature3.9Trunk RGU Check SND Trunk
    Relative humidity DCF Function
    3.2Alarm Check TOPU Tone
    3.3MAT/Printer Check MAT MAT
    Printer3.10ATTCON Check Ringing Signal
    3.4Collection of 
    System MessagesRelated to Fault3.11System Check
    Result of Routine 
    DiagnosisCPU
    3.5Display of Locked- 
    out StationLocked out 
    StationsTSW
    3.6Fan Unit Check
    PM
    3.7Alarm Tests TOPU
    3.8Main Power 
    System CheckRectifier
    Battery
    3.9Trunk RGU Check C.O. Trunk
    Tie Trunk
    ORT
    IRT
    Condition And Cause
    Procedure and Parts Used 
    						
    							NDA-24307 CHAPTER 7
    Page 585
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    C.O. Trunk Tie Line
    TEST TYPE TEST ITEM CONNECTION DIAGRAM
    C.O. Trunk/Tie Line 
    Speech Path TestSet up a speech path test by
    seizing a trunk using the 
    Station or ATTCON/DESKCON 
    connection test diagrammed to
    the right.Connection Test-Station 
    Connection Test-ATTCON/DESKCON
    C.O. Trunk/Tie Line
    NAME OF TRUNK ROUTEACCESS 
    NUMBERROUTE 
    NUMBERTRUNK 
    NUMBERCHECK REMARKS
    LCTRK
    C.O./Tie
    Line
    ATITRK
    C.O./Tie
    Line
    ATTCON/
    DESKCON 
    						
    							CHAPTER 7 NDA-24307
    Page 586
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    Register/Sender Trunk (RST)
    TEST TYPE TEST ITEM CONNECTION DIAGRAM
    ORT Function  Perform the test by specifying 
    an ORT using the Connection 
    Test-Station.
     Confirm that [6-I] system 
    message displays as a result of 
    the test.DP/PB
    SENDER Function  Perform the test by specifying 
    an ORT using the Connection 
    Test-Station. 
     Confirm that [6-I] system 
    message displays as a result of 
    the test.
    LC
    ORT
    LC~
    SND
    ORT 
    						
    							NDA-24307 CHAPTER 7
    Page 587
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    RST (/)
    FUNCTION
    TRUNK NO.ORT
    SENDERREMARKSPB RECEIVING DP RECEIVING
    RST No.ORT0 SND0
    11
    22
    33
    44
    55
    66
    77
    RST No.00
    11
    22
    33
    44
    55
    66
    77
    RST No.00
    11
    22
    33
    44
    55
    66
    77
    RST No.00
    11
    22
    33
    44
    55
    66
    77 
    						
    							CHAPTER 7 NDA-24307
    Page 588
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    Digital Conference Function
    TEST TYPE TEST ITEM CONNECTION DIAGRAM
    Three-way 
    Conversation Perform the test by specifying 
    an 8CFT using the Connection 
    Test-Station. 
     Confirm that [6-I] system 
    message displays as a result of 
    the test.
    FUNCTION
    TRUNK NO.SPEECH RELEASE REMARKS
    CFT0
    1
    2
    3
    4
    5
    6
    7
    LC
    ~
    TSTT
    MUX
    8CFT
    ~ 
    						
    							NDA-24307 CHAPTER 7
    Page 589
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    Speech Path for Each PIM, and Ringing Generator Unit
    NO. TEST TYPE TEST ITEM CONNECTION DIAGRAM
    1 The ATTCON/
    DESKCON is called 
    from one station in 
    each PIM.Normal speech path is confirmed 
    by calling the attendant from a 
    station located in each PIM.
    2 The operator calls 
    the station back.After normal speech path has 
    been confirmed, the attendant 
    calls the station back. Confirm 
    that the station rings.
    ATI
    ATTCON/
    LC
    DESKCON
    ATI
    ATTCON/
    LC
    ~
    PWR0, 1
    RG
    (RINGING) DESKCON 
    						
    							CHAPTER 7 NDA-24307
    Page 590
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    MOUNTING LOCATION
    CHECK REMARKS
    MODULE NAME UNIT NAME
    PIM00
    1
    2
    3
    PIM10
    1
    2
    3
    PIM20
    1
    2
    3
    PIM30
    1
    2
    3 
    						
    							NDA-24307 CHAPTER 7
    Page 591
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    Attendant/Desk Console (ATTCON/DESKCON)
    TEST TYPE TEST ITEM CONNECTION DIAGRAM
    Call Termination Test A station dials the operator 
    access code and confirm that 
    the call termination is 
    indicated at all the ATTCON/
    DESKCON.
     A station dials the operator 
    access code. An attendant 
    answers and speaks with the 
    caller. This process is repeated 
    at all the ATTCON/
    DESKCON.
    Call Origination Test  The attendant originates a call 
    to the station by pressing 
    LOOP keys one after another.
    ATI
    ATTCON/
    LC
    DESKCON
    ATTCON/
    LC
    ~RG (RINGING)
    ATI
    DESKCON 
    						
    							CHAPTER 7 NDA-24307
    Page 592
    Issue 1
    ROUTINE MAINTENANCE PROCEDURE
    FUNCTION
    ATTCON/
    DESKCON NO.CALL TERMINATION CALL ORIGINATION REMARKS
    INCOMING CALL 
    INDICATIONSPEECH RELEASE SPEECH RELEASE
    0
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15 
    						
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