NEC Neax 2400 Imx System Operations And Maintenance Manual
Have a look at the manual NEC Neax 2400 Imx System Operations And Maintenance Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 1168 NEC manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
![Page 271
CHAPTER 4 NDA-24238
Page 244
Revision 3.0
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
[Circuit Card Accommodation into the New CPR]
The steps below show the procedure to install the new CPR into the LPM.
STEP 1 Using the Phillips Screwdriver, remove the 4 + 8 screws. Then, detach the
front panel and top cover from the new CPR. (Refer to Figure 4-4)
Figure 4-4 Removal of Front Panel and Top Cover from CPR
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
Top Cover
CPRFront Panel
As shown in...](http://img.usermanuals.tech/thumb/54/84348/w64_nec-neax2400-imx-system-operations-and-maintenance-manual_d-270.png "Page 271
CHAPTER 4 NDA-24238
Page 244
Revision 3.0
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
[Circuit Card Accommodation into the New CPR]
The steps below show the procedure to install the new CPR into the LPM.
STEP 1 Using the Phillips Screwdriver, remove the 4 + 8 screws. Then, detach the
front panel and top cover from the new CPR. (Refer to Figure 4-4)
Figure 4-4 Removal of Front Panel and Top Cover from CPR
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
Top Cover
CPRFront Panel
As shown in...")
CHAPTER 4 NDA-24238 Page 244 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE [Circuit Card Accommodation into the New CPR] The steps below show the procedure to install the new CPR into the LPM. STEP 1 Using the Phillips Screwdriver, remove the 4 + 8 screws. Then, detach the front panel and top cover from the new CPR. (Refer to Figure 4-4) Figure 4-4 Removal of Front Panel and Top Cover from CPR ATTENTIONContents Static Sensitive Handling Precautions Required Top Cover CPRFront Panel As shown in Figure 4-4, detach the front panel of the new CPR by removing the 4 screws. Then, also lift away the top cover by removing the 8 screws.
NDA-24238 CHAPTER 4 Page 245 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE STEP 2 Insert the ISAGT (PZ-GT13) and LANI (PZ-PC19) cards into the following slots of the new CPR (refer to Figure 4-5): ISAGT (PZ-GT13) →Slot #6 (ISA) LANI (PZ-PC19) →Slot #0 (PCI)(For Fusion Link) LANI (PZ-PC19) →Slot #1 (PCI)(When connecting MAT via 10- BASE T and PCI buses) LANI (PZ-PC19) →Slot #3 (PCI)(When LANI for Fusion Link is in dual configuration) Note Figure 4-5 Insertion of ISAGT and LANI Cards ATTENTIONContents Static Sensitive Handling Precautions Required CPRSlot 0 (PCI) LANIISAGT Slot 1 (PCI)Slot 3 (PCI) Slot 6 (ISA) Note:Accommodation of the second LANI (in PCI Slot 3) is optional. Figure 4-5 shows how to insert the ISAGT and LANI cards into CPR slots #6 (ISA), and #0, #1 and #3 (PCI), respectively.
CHAPTER 4 NDA-24238 Page 246 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE STEP 3 Reattach the top cover and front panel by fastening the removed screws. (Refer to Figure 4-6) Figure 4-6 Reattachment of CPR Top Cover and Front Panel ATTENTIONContents Static Sensitive Handling Precautions Required After mounting the ISAGT/LANI cards, reattach the top cover by tightening the 8 screws. Then, attach the Front Panel by fastening the 4 screws. Top Cover CPRFront Panel
NDA-24238 CHAPTER 4 Page 247 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE STEP 4 After turning “ON” the MBR key on the DSP of the new CPR, insert the new CPR into the LPM. Then, fasten the retained four screws. (Refer to Figure 4-7) Figure 4-7 Accommodation of New CPR into LPM ATTENTIONContents Static Sensitive Handling Precautions Required CPR LPM As shown in Figure 4-7, insert the new CPR into the LPM. Then, fasten the four screws.
CHAPTER 4 NDA-24238 Page 248 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE STEP 5 Insert the new HFD into the CPR. Then, fasten the two screws. (Refer to Figure 4-8) Figure 4-8 Insertion of New HFD into CPR ATTENTIONContents Static Sensitive Handling Precautions Required By using the two screws, fasten the new HFD onto the CPR. LPM HFD (PZ-IO27/PZ-IO28)
NDA-24238 CHAPTER 4 Page 249 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE Replacement Procedure System Changeover of the CPU from ACT to STBY mode. IMG0 lamp on the DSP begins to flash green. Check the mate CPU’s lamp indications: CPU OPE=Steady green IMG0, IMG1, IMG2, IMG3=Flash green EMA SUP lamp on the EMA card is green. Cable Name to be disconnected CPU #0: 10AL-(110) FLT CA CPU #1: 10AL-(130) FLT CA START Make a backup copy of the main data (office data, CF/SPD data, etc.) onto the hard disk of the HFC. Turn ON the MBR key on the DSP of the CPU to be replaced. Then turn OFF the MBR key again. Confirm the mate CPUs ACT mode. Turn ON the EMA SUP key on the EMA (PH-PC40) card. Disconnect the power alarm cable from the PALM connector on PZ-PW92. A IMG1 IMG2 IMG3 CPUOPE WDT IMG0 12 34 567 8 OFF 12 34 567 8 OFF 12 34 OFF MBR FRONT VIEWDSP ON 4C026AE AT T E N T I O NContents Static Sensitive Handling Precautions Required PWR (PZ-PW92) FRONT VIEW SW ON OFF PALM -48V ON ALM OUTPWR INPWR
CHAPTER 4 NDA-24238 Page 250 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE ATTENTIONContents Static Sensitive Handling Precautions Required Refer to Figure 4-2 for CPR face layout. Refer to Figure 4-2 for CPR face layout. Refer to Figure 4-3 to replace the CPU. Cables to be disconnected Ether cable: UTP CTG5 ST CA-n Note: The kind of Ethernet cable may vary, Disconnect power cables from the OUTPWR connector and INPWR connector on PZ-PW92. Disconnect Ethernet cables from the front connectors on the PZ-PC19 (LANI). Take off the four screws fastened onto the CPR. (Keep the removed screws.) B A Turn OFF the SW key on PZ-PW92. Disconnect bus cables from the front connectors on the PZ-GT16. Cables to be disconnected EXGT BUSCA-A for CN-A connector 50-40 GT BUS CA-A for CN-B connector vary, depending on its connecting conditions. Cable to be disconnected from OUTPWR CPU #0: 6P-(4P-3P) PWR CA-A CPU #1: 6P-(4P-3P) PWR CA-B Cable to be disconnected from INPWR CPU #0: 4P-2P PWR CA-A CPU #1: 4P-2P PWR CA-B PWR (PZ-PW92) FRONT VIEW SW ON OFF PALM -48V ON ALM OUTPWR INPWR
NDA-24238 CHAPTER 4 Page 251 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE ATTENTIONContents Static Sensitive Handling Precautions Required Refer to Figure 4-3 to replace the CPU. Refer to Circuit Card Installation Into New CPR procedure in this section. Turn ON the MBR key on the DSP of the new CPR. C B Extract the CPR from the LPM. Mount ISAGT (PZ-GT13) and LANI (PZ-PC19) cards onto the new CPR. Then, insert the new CPR into the LPM. IMG1 IMG2 IMG3 CPUOPE WDT IMG0 12 34 567 8 OFF 12 34 567 8 OFF 12 34 OFF MBR FRONT VIEWDSP ON 4C026AE
CHAPTER 4 NDA-24238 Page 252 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE ATTENTIONContents Static Sensitive Handling Precautions Required Note: Do not connect the cable for the Connect the disconnected bus cables to the connectors on the PZ-GT13. Turn ON the SW key on PZ-PW92. Connect the disconnected power alarm cable to the PALM connector on PZ-PW92. D C Connect the disconnected and Ethernet cables Connect the disconnected power cables to the OUTPWR and INPWR connectors. PALM connector yet. to the connectors on the PZ-PC19. PWR (PZ-PW92) FRONT VIEW SW ON OFF PALM -48V ON OUTPWR INPWR ALM
NDA-24238 CHAPTER 4 Page 253 Revision 3.0 UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE ATTENTIONContents Static Sensitive Handling Precautions Required EMA SUP lamp on the EMA card goes OFF. IMG0 lamp on the DSP flashes green. Flip the MBR key on the DSP of the new CPR from ON to OFF. END D Turn OFF the EMA-SUP key on the EMA (PH-PC40) card. Confirm that IPL has completed successfully. Initial Program Load (IPL) starts automatically. MBR(DSP) 123 IMG1 IMG2 IMG3 CPUOPE WDT IMG0 12 34 567 8 OFF 12 34 567 8 OFF 12 34 OFF MBR FRONT VIEWDSP ON 4C026AE