NEC Neax 2400 Imx System Operations And Maintenance Manual
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![Page 517
CHAPTER 6 NDA-24238
Page 490
Revision 3.0
SYSTEM OPERATIONS
Table 6-20 Start-Up When Basic & Application Software Is
Installed [Procedure #1]
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
CPU OPE lamp on the
DSP of active CPU
lights steady green. IMG0-3
lamps flash.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON
(ON LINE)....](http://img.usermanuals.tech/thumb/54/84348/w64_nec-neax2400-imx-system-operations-and-maintenance-manual_d-516.png "Page 517
CHAPTER 6 NDA-24238
Page 490
Revision 3.0
SYSTEM OPERATIONS
Table 6-20 Start-Up When Basic & Application Software Is
Installed [Procedure #1]
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
CPU OPE lamp on the
DSP of active CPU
lights steady green. IMG0-3
lamps flash.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON
(ON LINE)....")
![Page 518
NDA-24238 CHAPTER 6
Page 491
Revision 3.0
SYSTEM OPERATIONS
CPU OPE and IMGX lamps on
both DSP go OFF.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
CPU OPE lamp on the
DSP of active CPU
lights steady-green. IMG0-3
lamps flash.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON.
(ON LINE)
Table 6-20 Start-Up When Basic & Application Software Is
Installed [Procedure #1]...](http://img.usermanuals.tech/thumb/54/84348/w64_nec-neax2400-imx-system-operations-and-maintenance-manual_d-517.png "Page 518
NDA-24238 CHAPTER 6
Page 491
Revision 3.0
SYSTEM OPERATIONS
CPU OPE and IMGX lamps on
both DSP go OFF.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
CPU OPE lamp on the
DSP of active CPU
lights steady-green. IMG0-3
lamps flash.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON.
(ON LINE)
Table 6-20 Start-Up When Basic & Application Software Is
Installed [Procedure #1]...")
![Page 519
CHAPTER 6 NDA-24238
Page 492
Revision 3.0
SYSTEM OPERATIONS
Table 6-21 Start-Up When Basic, Application Software, and
Office Data Installed [Procedure #2]
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
Press the CPU RST button
on the DSP of active CPU.
or
Turn OFF the SW on the PZ-
PW92 of active CPU and
turn it ON again. Set the...](http://img.usermanuals.tech/thumb/54/84348/w64_nec-neax2400-imx-system-operations-and-maintenance-manual_d-518.png "Page 519
CHAPTER 6 NDA-24238
Page 492
Revision 3.0
SYSTEM OPERATIONS
Table 6-21 Start-Up When Basic, Application Software, and
Office Data Installed [Procedure #2]
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
STATUS LED (right) on
the DSP of CPU is ON.
Press the CPU RST button
on the DSP of active CPU.
or
Turn OFF the SW on the PZ-
PW92 of active CPU and
turn it ON again. Set the...")
![Page 520
NDA-24238 CHAPTER 6
Page 493
Revision 3.0
SYSTEM OPERATIONS
CPU OPE lamp on the DSP of
active CPU lights steady-green.
IMG0-3 light steady-green.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON.
(ON LINE)
Table 6-21 Start-Up When Basic, Application Software, and
Office Data Installed [Procedure #2] (Continued)
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
System starts up again.
END
A
ATTENTIONContents
Static Sensitive
Handling
Precautions Required](http://img.usermanuals.tech/thumb/54/84348/w64_nec-neax2400-imx-system-operations-and-maintenance-manual_d-519.png "Page 520
NDA-24238 CHAPTER 6
Page 493
Revision 3.0
SYSTEM OPERATIONS
CPU OPE lamp on the DSP of
active CPU lights steady-green.
IMG0-3 light steady-green.
IMG0 lamp on the DSP of mate
CPU flashes green.
STATUS LED (right) on
the DSP of CPU is ON.
(ON LINE)
Table 6-21 Start-Up When Basic, Application Software, and
Office Data Installed [Procedure #2] (Continued)
ACT IO N7SEG LED/OPE LAMP/KEY
SETTINGS
System starts up again.
END
A
ATTENTIONContents
Static Sensitive
Handling
Precautions Required")
CHAPTER 6 NDA-24238 Page 494 Revision 3.0 This page is for your notes.
NDA-24238 CHAPTER 7 Page 495 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE CHAPTER 7 ROUTINE MAINTENANCE PROCEDURE 1. GENERAL When a fault has occurred in the system, (for example when a fault has occurred to No. 1 circuit on the 16LC card), the stations connected to No. 1 circuit become unserviceable. When the 16LC card has been replaced with a spare to analyze the cause of the fault or to repair the fault, other normal lines also become unservice- able. As in this example, even when the fault is restricted to a single component, it very often harms the system operations as a whole. Even if the system is operating normally, it is necessary to perform a routine check to prevent a fault occurrence before it is too late to discover any latent cause of a fault. This chapter categorizes the routine maintenance procedures of the PBX into the following three types, and explains the minimum required work steps and precautions pertaining to each of the three procedures. Daily Maintenance Procedure Monthly Maintenance Procedure Quarterly Maintenance Procedure 1.1 Flow of Procedures The scheduling of routine maintenance (daily, monthly, quarterly) will vary with each installation and or- ganization. Figure 7-1 shows the flow of the routine maintenance procedures. Figure 7-1 Flow of Procedures Section 2.7, Explanation of Terms in Chapter 2 Section 2, Routine Maintenance Procedures Daily Maintenance Procedures Monthly Maintenance Procedures Quarterly Maintenance Procedures Note: Perform procedure performance per each divided section Section 3, Routine Maintenance Check Lists Recording of checked items Chapter 5, Fault Repair Procedures Chapter 6, System Operations Chapter 4, Unit/Circuit Card Replacement Procedure
CHAPTER 7 NDA-24238 Page 496 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 1.2 Required Test Equipment and Tools Table 7-1 shows the tools and equipment required for test procedures. Table 7-1 Test Equipment and Tools NO. TEST EQUIPMENT/TOOLS PURPOSE REMARKS 1 Telephone Set A telephone set is used when performing connection tests on trunks, etc. 2 Blown Fuse A blown fuse is used when performing alarm tests. 3 VOM Digital Meter VOM digital meter is used when checking output voltages of the rectifier and the battery. 4 Phillips Screwdriver A screwdriver is used when replacing the fan with a spare.
NDA-24238 CHAPTER 7 Page 497 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2. ROUTINE MAINTENANCE PROCEDURES This section explains general routine maintenance procedures to be performed on a daily, monthly, and quar- terly basis. Table 7-2 lists each procedure according to the time each procedure is to be performed. Use the Reference Section to locate the detailed procedure. Table 7-2 List of Routine Maintenance Procedures TIME PROCEDURE REFERENCE SECTION REMARKS Daily Check the temperature and relative humidity in the switch room.Section 2.1, Ambient Conditions in Switch Room Check Check to see if any of the alarm indicator lamps on the TOPU are lit.Section 2.2, Alarm Check Check the operating status of the MAT and the printer, remaining quantity of paper, etc.Section 2.3, MAT/Printer Check Check to see if a system message indicating a fault is displayed.Section 2.4, Collection of Sys- tem Messages Check whether any station is in lockout state.Section 2.5, Display of Locked- out Station Check whether the FANU is operating normally.Section 2.6, Fan Unit Check Monthly Generate an alarm and check whether an indica- tion appears on the TOPU.Section 2.7, Alarm Tests Check the conditions of the rectifier and batteries.Section 2.8, Main Power System Check Check trunk circuits individually. Also check the RGU circuit in the PWR Supply of each Module.Section 2.9, Trunk RGU Check Check each operation and lamps of DESKCON/ ATTCON.Section 2.10, ATTCON/ DESKCON Check Quarterly Check the CPU, TSW, and line/trunk Port Micro- processors (PMs).Section 2.11, System Check
CHAPTER 7 NDA-24238 Page 498 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.1 Ambient Conditions in Switch Room Check Check the room temperature. Check the humidity in the room. If the temperature or the humidity is outside the allowable range, adjust the air conditioner.Check whether the room temperature is within the range of 5°C (41°F) to 30°C (86°F). Check whether the relative humidity in the room is within the 15% to 65% range. START END
NDA-24238 CHAPTER 7 Page 499 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.2 Alarm Check Check alarm indications on the TOPU. If an alarm is indicated Check whether the alarm lamp on the power supply of any module is lit. Check whether an alarm lamp is lit on any circuit card(s). Alarm recovery Refer to Chapter 5, diagnose the alarm, and perform the indicated recovery procedures. START END
CHAPTER 7 NDA-24238 Page 500 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.3 MAT/Printer Check Check the MAT. System messages are automatically sent to the MAT HD for output. System messages are automatically sent to the external printer for output.Turn ON the MAT’s power. Confirm that the menu appears on the screen. Leave the MAT power ON continuously (lower the CRT brightness when not in use). Confirm that printer power is ON and that the SEL lamp is lit. Check the remaining quantity of printer paper. START END
NDA-24238 CHAPTER 7 Page 501 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.4 Collection of System Messages Cause system messages to be displayed. When a system message is displayed. Check the results of routine diagnosis. When the system is operating normally or after a fault is restoredRefer to Chapter 3. If the system message indicates a fault, diagnose the fault by referring to Chapter 5, and perform fault recovery. System message [7-O] indicates that the system is normal. System message [7-P] indicates that the system is abnormal. Perform fault recovery by referring to Chapter 3 or Chapter 5. Use the RALM command to clear the alarm indication and registered system message. START END
CHAPTER 7 NDA-24238 Page 502 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.5 Display of Locked-out Station Check the displays of relevant commands to locate any locked-out stations.Check the displays of the following commands: DLSL: Display in the order of LENS DLSS: Display in the order of Station Numbers When any station in locked-out state is displayedRecover the locked-out station(s) referring to Section 3, Indication of Lockout Stations, in Chapter 6. START END
NDA-24238 CHAPTER 7 Page 503 Revision 3.0 ROUTINE MAINTENANCE PROCEDURE 2.6 Fan Unit Check When fan is set for automatic start When fan is set for constant operation When fan is out of orderPull FAN START switch toward the front and set it to ON (UP) position. Confirm that the fan has started running. Pull FAN START switch toward the front and set it to AUTO (DOWN) position. Confirm that the fan is running. Refer to Section 9, Fan Unit Fault, in Chapter 5. Replace the fan with a spare by referring to Section 4., Fan Unit Replacement, in Chapter 4. START END