IBM FlashSystem 900 User manual

3746 Nways Multiprotocol Controller
Model 900 ÉÂÔ
Service Guide
SY33-2116-02

3746 Nways Multiprotocol Controller
Model 900 ÉÂÔ
Service Guide
SY33-2116-02

Note!
Before using this information and the product it supports, be sure to read the general information under “Notices”
on page xv.
Third Edition (July 1999)
This edition applies to the 3746 Nways Multiprotocol Controller Model 900.
Order publications through your IBM representative or the IBM branch office serving your locality. Publications are not stocked at the
address given below.
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 Copyright International Business Machines Corporation 1997, 1999. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Electronic Emission Notices .............................. xvi
Industry Canada Class A Emission Compliance Statement .......... xvi
Avis de conformité aux normes d'Industrie Canada .............. xvi
European Union (EU) Mark of Conformity Statement ............. xvi
Japanese Voluntary Control Council for Interference (VCCI) Statement ... xvii
Korean Communications Statement ....................... xvii
Taiwanese Class A Warning Statement .................... xviii
New Zealand Radiocommunications (Radio) Regulations .......... xviii
Notice to UK Users .................................. xviii
Year 2000 Statement ................................ xviii
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
General and Product Safety Information ..................... xxi
Service Inspection Safety Procedures ...................... xxi
Safety and Disposal Instructions For Batteries ................. xxi
Service Inspection Safety Procedures for the 3745, 3746-900, and Controller
Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Control Panel LED Status Versus 3746-900 States ............. xxxvi
3745 Model 17A/3746-900 Power Supply CP/CB and Fuse Reference . xxxvii
3745 Models 21A to 61A Power Supply CP/CB Reference ........ xxxviii
Controller Expansion Fuse Reference .................... xxxviii
3745 Models 21A to 61A Primary Power Part Number ........... xxxix
3746-900 Primary Power Part Number ..................... xxxix
Sicherheitsüberprüfungen für IBM 3745, 3746-900 und die Erweiterung der
Steuereinheit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xl
Einführung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xl
Bedeutung der LEDs am Bedienungsfeld der 3746-900 ............ liv
Stromversorgung, Sicherungsautomaten (CB), Überstromschutzschalter (CP)
und Sicherungen (F) der 3745, Modell 17A/3746-900 ............. lv
Stromversorgung, Sicherungsautomaten (CB) und Überstromschutzschalter
(CP) der Modelle 21A bis 61A der 3745 .................... lvi
Sicherungen der Erweiterung der Steuereinheit ................. lvi
Teilenummern der Netzteile der Modelle 21A bis 61A der 3745 ....... lvii
Teilenummern der Netzteile der 3746-900 .................... lvii
Safety Label Locations ................................ lxxvii
Safety Label Locations on the 3745 Models 17A ............... lxxvii
3745 Model 17A Safety Label Identifications ................. lxxix
Safety Label Locations on the 3745 Models 21A to 61A ........... lxxx
3745 Models 21A to 61A Safety Label Identifications ........... lxxxiii
Safety Label Locations on the 3746-900 ................... lxxxiv
Safety Label Location on the LCB ...................... lxxxiv
3746-900 Safety Label Identifications ..................... lxxxv
LCB Safety Label ................................ lxxxvi
Controller Expansion Label Locations .................... lxxxvi
 Copyright IBM Corp. 1997, 1999 iii

3745 Model 17A Safety Label Part Numbers by Country ......... lxxxvii
3745 Models 21A to 61A Safety Label Part Numbers by Country .... lxxxviii
3746-900 Safety Label Part Numbers by Country ............. lxxxix
About This Manual .................................. xci
Aim of this manual ................................... xci
Who should read this manual ............................. xci
How this manual is organized ............................ xci
Chapter 1. START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
START - How to Begin Troubleshooting ...................... 1-1
Console Use for maintenance ........................... 1-1
Finding a Service Procedure ............................ 1-3
CPN or FRU to Exchange ............................. 1-4
Other Symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Run Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Miscellaneous Informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3745/3746-900/Service Processor Windows Overview .............. 1-7
Service Processor Menu Details ......................... 1-8
3746-9x0 Menu Details .............................. 1-10
Problems During Machine, EC or MES Installation ............... 1-12
Selection Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Symptom Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
General Verbal Symptoms ............................ 1-13
3746-900 Control Panel Symptoms ....................... 1-14
3746-900 Control Panel Codes ........................... 1-15
Using the MIP FRU Group Table .......................... 1-24
3746-900 FRU Group Table ........................... 1-25
3746-900/Service Processor Maintenance Using a CPN .......... 1-26
3746-900 Maintenance Using an SRC Sequence Number ......... 1-28
3746-900 Maintenance Using a FRU list .................... 1-28
Service Processor Maintenance Using an SRC Sequence Number .... 1-28
3746-900 FRU List .................................. 1-29
MAP: 3746-900 FRU Exchange ........................ 1-34
MAP: CBSA Check LED ON .......................... 1-36
MAP: Ready and Standby LEDs are OFF .................. 1-37
MAP: Standby LED Blinking .......................... 1-40
MAP: Standby LED ON ............................. 1-43
MAP: Ready LED Blinking ........................... 1-49
MAP: Ready LED ON .............................. 1-52
3746-900 FRU list for exchange ........................ 1-55
MAP: ARC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-57
MAP: CBSP/CBSP2/CBSP3 . . . . . . . . . . . . . . . . . . . . . . . . . . 1-62
MAP: CLP/CLP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-65
MAP: TIC3 of the CBSP ............................. 1-74
MAP: ESCC/ESCC2/ESCP/ESCP2/ESCP3 . . . . . . . . . . . . . . . . . . 1-76
MAP: TRP/TRP2/TRP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-82
MAP: CBC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-85
MAP: LCPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-90
MAP: LCEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-92
MAP: LCPB, LCPE, LCEB, LCEE ....................... 1-94
MAP: LIC11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-97
MAP: LIC12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-103
MAP: LIC16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-107
iv 3746-900: Service Guide

MAP: TIC3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111
MAP: SIE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-114
MAP: SPD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-117
MAP: 3746-900 SPS, Control Panel ..................... 1-121
3746-900 ACPW, DCPW, Transformer .................... 1-123
MAP: 3746-900 in Offline Mode ....................... 1-124
MAP: No Problem Found on All the FRUS with Diagnostics in
Concurrent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-130
MAP: 3746-900 Ending Exchange Procedure After Power ON ..... 1-136
MAP: 3746-900 Ending Procedure In Offline Mode ............ 1-137
MAP: 3746-900 Ending Procedure in Concurrent Mode ......... 1-139
MAP: 3746-900 ESCC/ESCC2 Disabling .................. 1-142
MAP: 3746-900 ESCC/ESCC2 Enabling .................. 1-144
MAP: 3746-900 CLP Backup or Standard Mode Setting ......... 1-146
Activate/Deactivate a Resource Via CCM .................. 1-150
3746-900 Setting in Offline Mode ....................... 1-153
Display the FRU List After a Diagnostic Failure ............... 1-154
3746-900 EEPROM Upgrade ........................... 1-155
EEPROM Upgrade Overview ......................... 1-155
EEPROM Upgrade/Downgrade Processing ................. 1-155
Engineering Data Transfer ............................ 1-157
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-157
Preparing Engineering Data on the Local Service Processor ....... 1-157
Transferring Engineering Data from the Service Processor ........ 1-158
3746 Model 900 Diagnostic Requirements ................... 1-159
3746-900 Control Panel Use ........................... 1-160
Purpose of the Control Panel ......................... 1-160
Explanation of 3746-900 Panel Keys, LEDs and Switches ........ 1-161
3746-900 Control Panel Display Description ................. 1-162
How to Perform 3746 Model 900 Control Panel Operations ......... 1-163
Power ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-163
General IML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-163
CBSA IML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-163
CBSP Dump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-163
General IML With Diagnostics ......................... 1-163
CBSA IML Without Diagnostics ........................ 1-163
Panel Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-163
Service Processor Link Restart ........................ 1-163
Display Error Code ............................... 1-163
Control Panel LED Status Versus 3746-900 States ............ 1-164
IML Request Versus 3746 Model 900 States ................ 1-164
Chapter 2. MAPs for FRU Isolation ........................ 2-1
3746-900 RSF MAP .................................. 2-1
MAP 2000: 3746-900 Manual Call ........................ 2-1
3746-900 Power MAPs ................................ 2-4
MAP 5100: 3746 Model 900 Power Control Subsystem Problems ..... 2-4
MAP 5110: 3746-900 Power ON Problem in Remote Mode ......... 2-8
MAP 5120: 3746-900 Power ON Problem in Local Mode .......... 2-13
MAP 5130: 3746-900 CP1 Tripped. ...................... 2-14
3746-900 -48v DC DISTRIBUTION ....................... 2-16
MAP 5140: 3746-900 CP2 or CP3 Tripped .................. 2-17
MAP 5150: 3746-900 CP4, CP5, CP6, or CP7 Tripped ........... 2-19
MAP 5160: Suspected Problem on 3745/3746-900 Power Connection .. 2-20
Contents v

MAP 5170: Suspected Problem on 3745/3746-900 EPO Cable ...... 2-22
MAP 5180: 3746-900 Ready LED Blinking. .................. 2-23
3746-900/Service Processor/Network Node Processor MAPs ......... 2-25
MAP 2600: 3746-900/Service Processor/Network Node Processor/
Multiaccess Enclosure Link Icons Color Symptom ............. 2-25
MAP 2605: 3746-900 Either CP3, CP4, CP5, CP6, or CP7 is Tripped .. 2-33
MAP 2610: 3746-900 ESCA, LAN, or CLP Problem ............. 2-36
MAP 2615: 3746-900 Configuration Mismatch ................ 2-38
MAP 2620: 3746-900 Control Panel Problem ................ 2-43
MAP 2625: LAN Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-44
MAP 2630: 3746-900 Service Logic Problem ................. 2-45
3746-900 Service Logic Cabling ........................ 2-47
MAP 2635: 3746-900 Several Fans Are in Errors .............. 2-50
MAP 2640: 3746-900 Cable From SPD1 to SPD2 .............. 2-52
MAP 2645: 3746-900 Cable From DCDP to SPD1 ............. 2-54
MAP 2650: 3746-900 Signal Power cable from SPD1 to the Control Panel 2-55
MAP 2655: 3746-900 Cable From SIE to SAC in Multiaccess Enclosure . 2-56
MAP 2660: 3746-900 Intermittent Box Errors ................. 2-58
MAP 2665: 3746-900 Resource Not Present in CDF-E ........... 2-60
MAP 2670: 3746-900 Processor Non-Identified in CDF-E ......... 2-62
MAP 2675: 3746-900 CBC/ESCC/TIC3 Non-Identified in CDF-E ..... 2-64
MAP 2680: 3746-900 LIC11/LIC12/LIC16 Non-Identified in CDF-E .... 2-68
MAP 2685: 3746-900 LCB Non-Identified in CDF-E ............. 2-83
3746-900 ESCA MAPs ............................... 2-88
MAP 2700: 3746-900 Permanent ESCA Problem .............. 2-88
MAP 2710: 3746-900 Any Intermittent ESCA Problem ........... 2-89
MAP 2720: 3746-900 Bit Error Rate Validation ................ 2-90
MAP 2730: 3746-900 ESCA Activation Problem ............... 2-91
3746-900 LAN MAPs ................................ 2-94
MAP 2750: 3746-900 Permanent Service Processor Link Problem .... 2-94
MAP 2760: 3746-900 TRP LAN Problem ................... 2-96
MAP 2770: 3746-900 Duplicate Token Ring Local Address ....... 2-106
3746-900 CLP MAPs ............................... 2-107
MAP 2800: 3746-900 All the Lines of CLP Have a Problem ....... 2-107
MAP 2810: 3746-900 Problem on a Group of ARCs ........... 2-110
MAP 2820: 3746-900 Problem on a LIC11 ................. 2-115
MAP 2830: 3746-900 Problem on a LIC12 ................. 2-127
MAP 2840: 3746-900 Problem on a LIC16 ................. 2-133
MAP 2850: 3746-900 CLP Fallback Problem ................ 2-138
MAP 5550: 3746-900 Activate/Deactivate Line Problems or Line Errors
on CLP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-139
MAP 2860: 3746-900 All the Lines of LCBE Have Problem ....... 2-144
Service Processor MAPs ............................. 2-149
MAP 5600: LAN Problem on LAN Attached to the Service Processor . 2-149
MAP 5610: 3746-900/APPN Link Problem ................. 2-154
Chapter 3. How to Run Diagnostics ....................... 3-1
3746-900 Diagnostic Description ........................... 3-1
3746-900 Concurrent Maintenance ........................ 3-14
Concurrent Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Concurrent Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Concurrent Mode Activation Procedure .................... 3-14
How to Run the 3746-900 Control Panel Test .................. 3-15
How to run the 3746-900 Service Processor Link Restart ........... 3-16
vi 3746-900: Service Guide

MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode ...... 3-17
MAP 6010: How to run 3746-900 Diagnostic in Offline Mode ......... 3-43
MAP 6020: How to Run 3746-900 Specific Diagnostics ............ 3-45
3746-900 Service Logic Cabling ........................ 3-48
MAP 6030: How to Run the Selective IML on the Multiaccess Enclosure .. 3-51
Chapter 4. 3746-900 FRU Exchange ....................... 4-1
Exchange Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
List of 3746-900 FRUs ............................... 4-2
3746-900 FRU Physical Locations .......................... 4-3
3746-900 Basic Board Locations ......................... 4-4
3746-900 Expansion Board Locations ...................... 4-6
3746-900 Front Side Details ............................ 4-8
3746-900 Rear Side Details ............................ 4-9
Exchange an Air Filter .............................. 4-10
Exchange an ACPW ............................... 4-11
Exchange an ARC ................................ 4-13
Exchange a Board ................................ 4-15
Exchange a CBC Cassette ............................ 4-16
Exchange a CBSP/CBSP2/CBSP3 ....................... 4-17
Exchange the Control Panel ........................... 4-19
Exchange a Connectivity Switch ........................ 4-20
Exchange a CSCE ................................ 4-22
Exchange DCDC of Processor ......................... 4-23
Exchange a Connectivity Switch DCDC .................... 4-24
Exchange the Power Distribution DCDP .................... 4-26
Exchange a DCPW ................................ 4-28
Exchange an Enclosure (Basic or Expansion) ................. 4-30
Exchange an ESCC/ESCC2 ........................... 4-32
Exchange a Fan Drawer ............................. 4-33
Exchange a Processor Other than the CBSP (CLP/CLP3,
ESCP/ESCP2/ESCP3 or TRP/TRP2/TRP3) ................. 4-34
Exchange a LCEE ................................. 4-35
Exchange a LCEB ................................. 4-37
Exchange a LCPB ................................. 4-39
Exchange a LCPE ................................. 4-41
Exchange a LIC (Type 11, 12, or 16) ...................... 4-43
Exchange an SIE ................................. 4-45
Exchange an SPD1 ................................ 4-46
Exchange an SPD2 ................................ 4-47
Exchange an SPS ................................. 4-48
Exchange a TIC3 associated With the CBSP ................. 4-49
Exchange a TIC3 ................................. 4-51
Exchange a Transformer ............................. 4-52
CE Leaving Procedure .............................. 4-55
Appendix A. Maintenance Aids . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
General Purpose Tools .............................. A-1
ESD kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Shipping Group Tools ............................... A-2
Appendix B. 3746-900 Bibliography . . . . . . . . . . . . . . . . . . . . . . B-1
Customer Documentation for the 3745 (All Models), and 3746 (Model 900) . B-1
Contents vii

Additional Customer Documentation for the 3745 Models 130, 150, 160, 170,
and 17A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6
Service Documentation for the IBM 3745 (Models 210, 21A, 310, 31A, 410,
41A, 610, and 61A) and 3746 (Model 900) ................... B-7
Additional Service Documentation for the IBM 3745 Models 130, 150, 160,
170, and 17A .................................... B-10
Related Signal Converter Products Information ................. B-11
World Wide Web ................................. B-11
Related NCP Service Information ......................... B-12
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-1
viii 3746-900: Service Guide