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IBM Power775, Процедура обслуживания

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Power775 UEPO Cable Service Procedure   

PN: 41U8503, EC N44172 

8 of 32 

 

2.3 

UEPO Cable Description 

Referring to the drawing in Figure 2 UEPO Panel Location below, the UEPO cables are connected to the UEPO panel at 
location U-D1 (where U is the MTMS 9125 F2C Serial #) on the front of the rack.  Specifically, the BPA-A UEPO cable 
plug labeled EPOS-T1 connects to UEPO panel jack U-D1-T1 and the opposite cable end labeled A33B-BPCHA-T4 
connects to U-P2-C1-T4.  Likewise, the BPA-B UEPO cable plug labeled EPOS-T2 connects to UEPO panel jack U-
D1-T2 and the other end labeled A33B-BPCHB-T4 connects to U-P1-C1-T4.  

UEPO

 

Figure 2 UEPO Panel Location 

Содержание Power775

Страница 1: ...Power775 UEPO Cable Service Procedure PN 41U8503 EC N44172 1 of 32 Power775 UEPO Cable Service Procedure Last Modified 9 29 2011...

Страница 2: ...OUND 10 2 4 1 UEPO Circuit Operation 10 2 5 CONCURRENCY 12 2 6 UEPO CABLE WEIGHT 12 2 7 REQUIRED SSRS AND ROLES 12 2 8 ESTIMATED SERVICE TIME 12 2 9 P7IH HAND TOOL KIT P N 74Y0988 REQUIRED TOOLS 12 3...

Страница 3: ...BPCH UEPO Bypass Switch shown in desired BYPASS position moved to the right 17 Figure 12 UEPO Cable Removal 20 Figure 13 Removal of UEPO Cable from BPCH T4 21 Figure 14 UEPO Cable Plugged into BPCH 22...

Страница 4: ...e document when no longer needed recalled or obsolete 1 2 Required Documents Document PN Location Safety Notices http publib boulder ibm com infocenter powersys v3r1m5 topic p7hdx G229 9054 pdf Docume...

Страница 5: ...respectively DE Disk Enclosure EDFI Error Detection Fault Isolation Power Thermal firmware diagnostic function FRU Field Replaceable Unit FSP Flexible Service Processor GPFS Global Parallel File Syste...

Страница 6: ...tem outage and possible physical injury Remove all metallic jewelry before servicing C001 CAUTION The doors and covers to the product are to be closed at all times except for service by trained servic...

Страница 7: ...on File System Risk Statement The Global Parallel File System GPFS implementation of software RAID stripes data across all the Disk Enclosures in the cluster If a single Disk Enclosure is powered off...

Страница 8: ...n U D1 where U is the MTMS 9125 F2C Serial on the front of the rack Specifically the BPA A UEPO cable plug labeled EPOS T1 connects to UEPO panel jack U D1 T1 and the opposite cable end labeled A33B B...

Страница 9: ...e PN 41U8503 EC N44172 9 of 32 Figure 3 is a drawing of the UEPO Panel on the front of the rack Note the UEPO cables 2X plug into the top as also illustrated in Figure 15 further in this document Figu...

Страница 10: ...Note one 2 pole Bypass Switch is in the BPA A BPCH and another is in the BPA B BPCH They are wired in parallel with the UEPO switch During normal operation both the 2 pole Bypass Switches are open so...

Страница 11: ...short across the UEPO switch It forces the UEPO loop to remain closed the system to be kept running and the UEPO Panel green LED to stay lit This allows us to concurrently remove the UEPO cables witho...

Страница 12: ...1 lbs 2 7 Required SSRs and Roles This service procedure requires one SSR 2 8 Estimated Service Time This procedure normally takes approximately 30 minutes 2 9 P7IH Hand Tool Kit P N 74Y0988 Required...

Страница 13: ...of this PDF and select SIDE_A on the Launch ASM Interface window and enter the following at the command prompt IMPORTANT DOUBLE CHECK THE COMMAND IS TYPED IN EXACTLY CORRECT BEFORE PRESSING ENTER BECA...

Страница 14: ...SYSTEM DISRUPTION bpccmd c 9baa0000ffef Expect 00aa00 returned which means the command executed properly and reported successful Redundant UEPO Panel Cable status If something different is returned t...

Страница 15: ...rocedure PN 41U8503 EC N44172 15 of 32 Figure 8 Front Door Open DANGER Hazardous voltage present Voltages present constitute a shock hazard which can cause severe injury or death L004 Figure 9 Hazardo...

Страница 16: ...ower775 UEPO Cable Service Procedure PN 41U8503 EC N44172 16 of 32 10 Locate both BPCHs see Figure 10 below and the UEPO Cable plugged into position T4 on each BPCH Figure 10 Location of BPCHs in rack...

Страница 17: ...of this PDF and ensure ASM SIDE_A is active per Step 12 and enter the following at the command prompt IMPORTANT DOUBLE CHECK THE COMMAND IS TYPED IN EXACTLY CORRECT BEFORE PRESSING ENTER BECAUSE EVEN...

Страница 18: ...above Table 5 for translation Bytes 1 2 are BPCH A status and bytes 3 4 are BPCH B status A typical value of 48CC48CC has only the Pull Up bits equal to 1 i e forced high due to pull up resistors both...

Страница 19: ...Code Definitions 00 Command executed properly 21 Cage Not Present Configured 22 FRU Not Present Configured 27 Location code error 4A Error in sent command 4B Invalid State 95 BPCH LIC Detected Error...

Страница 20: ...N44172 20 of 32 14 Disconnect either the suspect EPOS T1 or EPOS T2 UEPO cable from the UEPO Panel assembly T1 or T2 position by loosening the connector thumb screws and unplugging only one cable ref...

Страница 21: ...l by loosening the connector thumb screws and unplugging the cable connector as shown in Figure 13 below Figure 13 Removal of UEPO Cable from BPCH T4 16 Unfasten any required Soft Cable Ties velcro fr...

Страница 22: ...he replacement UEPO Cable to either the BPCH A T4 location U P2 C1 T4 or BPCH B T4 location U P1 C1 T4 where U is the MTMS 9125 F2C Serial by plugging the T4 cable connector and tightening the connect...

Страница 23: ...gging into the connector positions labeled T1 or T2 and tightening the connector thumb screws as shown in Figure 15 below Figure 15 UEPO Cables Plugged into UEPO Panel 20 Neatly route the replacement...

Страница 24: ...DF and ensure ASM SIDE_A is active per Step 12 and enter the following at the command prompt IMPORTANT DOUBLE CHECK THE COMMAND IS TYPED IN EXACTLY CORRECT BEFORE PRESSING ENTER BECAUSE EVEN A SINGLE...

Страница 25: ...to the appropriate row of the above Table 6 for translation Bytes 1 2 are BPCH A status and bytes 3 4 are BPCH B status A typical value of 40C440C4 has only the Pull Up bits equal to 1 i e forced high...

Страница 26: ...F and ensure ASM SIDE_A is active per Step 12 and enter the following at the command prompt IMPORTANT DOUBLE CHECK THE COMMAND IS TYPED IN EXACTLY CORRECT BEFORE PRESSING ENTER BECAUSE EVEN A SINGLE I...

Страница 27: ...indow and issue an BPCH B real time Power Thermal SRC read out command to the HMC BPC B ASM SIDE_B Service Processor Command Line Refer to Power775 BPC FSP Command Line Procedure in Appendix A of this...

Страница 28: ...DURE 5 1 Procedure to Access the BPC FSP Command Line 1 The HMC can be accessed via the keyboard display that resides in the network management rack 2 Login to the HMC if not done already 3 In the HMC...

Страница 29: ...Procedure PN 41U8503 EC N44172 29 of 32 4 From the Tasks Menu right arrow pull down menu click Operations Launch Frame Advanced Systems Management ASM as shown in Figure 18 Figure 18 Launch Frame Adv...

Страница 30: ...of 32 5 From the Launch ASM Interface window select SIDE_A or SIDE_B whichever the instructions call for from the Frame IP Address pull down arrow menu then click the OK button see Figure 19 which sho...

Страница 31: ...window is presented Acquire the necessary User ID and Password celogin requires Daily Password from the IBM Support Center celogin1 might be enabled by the customer If so obtain the password from the...

Страница 32: ...e commands defined in the paper service procedures at this command line and press the Enter key or click the Execute button 12 If you are not sure whether you are on the ASM A_SIDE or B_SIDE BPC FSP C...

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