IBM FlashSystem 900 Instruction Manual

3746 Nways Multiprotocol Controller
Models 900 and 950 ÉÂÔ
Multiaccess Enclosure
Installation and Maintenance
(Starting from EC F12720)
SY33-2124-02

3746 Nways Multiprotocol Controller
Models 900 and 950 ÉÂÔ
Multiaccess Enclosure
Installation and Maintenance
(Starting from EC F12720)
SY33-2124-02

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 multiaccess enclosure of the 3746 Nways multiprotocol Controller Models 900 and 950.
Order publications through your IBM representative or the IBM branch office serving your locality. Publications are not stocked at the
address given below.
A form for readers’ comments appears at the back of this publication. If the form has been removed, address your comments to:
Department CGFA
Design & Information Development
IBM Corporation
PO Box 12195
Research Triangle Park NC 27709
U.S.A.
When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes
appropriate without incurring any obligation to you.
 Copyright International Business Machines Corporation 1998, 1999. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
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
Product Safety Information ............................. xxi
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Safety Notices for United Kingdom ........................ xxi
Service Inspection Procedures ............................ xxi
About this Book ................................... xxiii
Who Should Use this Book ............................. xxiii
How to Use this Book ................................ xxiii
How this Book is Organized ............................. xxiii
Where to Find More Information .......................... xxiv
World Wide Web ................................. xxiv
Online Documentation from CD-ROM ...................... xxv
Service Personnel Definitions ............................. xxv
Chapter 1. Installing and Setting Up Your MAE ................ 1-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Installation Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Multiaccess Enclosure Installation Tasks ...................... 1-3
Step 1 - Preparing Your Installation ......................... 1-4
Step 2 - Installing the MAE .............................. 1-5
Step 3.1 - Connecting the MAE to a 7585 .................... 1-11
Step 3.2 - Connecting the MAE to a 6275 .................... 1-12
Step 3.3 - Other MAE Cables Installation ..................... 1-13
Single ac Outlet Distribution Box ........................ 1-13
Dual ac Outlet Distribution Box ......................... 1-14
Step 4 - Installing the SIE Cassette in the 3746-9X0 .............. 1-15
Step 5 - Connecting the MAE to the 3746-9X0 .................. 1-16
Installing the 8228s .................................. 1-16
Connect the MAE to the 3746-9X0 thru 8228 ................. 1-18
Connect the MAE from the SAC to the SIE Cassette ............ 1-19
Step 6 - Customizing the MAE ........................... 1-21
Chapter 2. Maintaining the Code on the MAE ................. 2-1
Overview of Managing the MAE Code and Configuration Files ......... 2-2
 Copyright IBM Corp. 1998, 1999 iii

Displaying the Level of the MAE LIC ........................ 2-3
Installing a New Version of the LIC and Firmware ................. 2-5
Installing MCF on the MAE .............................. 2-6
Removing Microcode Fixes on the MAE ..................... 2-10
Displaying a MAE Configuration .......................... 2-12
Chapter 3. Multiaccess Enclosure Problem Determination ......... 3-1
Multiaccess Enclosure Power Supply ....................... 3-1
System Card LEDs ................................. 3-1
LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Power Supply Status ................................ 3-3
System Card Status ................................. 3-3
SAC Card Status .................................. 3-3
Adapter Card Status ................................ 3-3
Important Phone Numbers .............................. 3-4
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Diagnosing Hardware Problems .......................... 3-5
Diagnosing Operational Code and Configuration Problems .......... 3-5
Maintenance Actions and Procedures ...................... 3-5
MAP 0300: Multiaccess Enclosure Basic Verification ............. 3-6
MAP 0310: Parallel Channel Problem Isolation ............... 3-16
MAP 0320: Verifying Repair Action for Parallel Channel .......... 3-17
Preparing the Multiaccess Enclosure Hard Disk ............... 3-18
Adapter Wrap Plugs (Service Kit - Part Number 30L6123) ......... 3-20
LIC 282, LIC 290, and LIC 291 External Wraps ................ 3-21
External Wrap Testing Parallel Channel Adapters ................ 3-23
Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Rules for Parallel Channel Adapter Testing .................. 3-23
Preparing the Wrap Blocks ............................ 3-24
Running the Parallel Channel Adapter External Wrap Tests ........ 3-27
Installing and Removing Channel Adapters .................... 3-33
Parallel Channel Attachment ........................... 3-33
V-Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37
Channel Interface Cables ........................... 3-37
Using Interconnected V-Cables ......................... 3-38
Installing Channel Feature 3299 ........................ 3-39
Parallel Channel Adapters Installation and Removal ............. 3-40
Installing Channel Adapters .......................... 3-40
Removing Channel Adapters ......................... 3-43
ESCON Channel Adapter Cable Installation .................. 3-44
Installing Optical Fiber Cables ........................ 3-44
Channel Interface Cable Replacement Procedure .............. 3-46
Removing a Channel Interface Cable .................... 3-46
Reinstalling the Channel Interface Cable .................. 3-46
Routing the Adapter Cables through the Cable Guides ........... 3-47
Releasing the Device to Your Customer .................... 3-47
Chapter 4. Multiaccess Enclosure FRU Exchange .............. 4-1
Prerequisite Before some FRU Exchanging .................... 4-2
Exchanging a Power Supply ............................. 4-4
Exchanging the System Card ............................. 4-5
Exchanging the SAC ................................. 4-24
Exchanging the Hard Drive on the System Card ................. 4-25
Exchanging the Memory on the System Card .................. 4-32
iv 3746-9X0: MAE Installation and Maintenance

Exchanging the PCMCIA Card ........................... 4-35
PCMCIA Speed Setting ............................. 4-36
PCMCIA Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
Exchanging the Fan Tray .............................. 4-40
Exchanging an Adapter ............................... 4-42
Exchanging the ISDN Daughter Card ....................... 4-46
Exchanging the ESCON Adapter .......................... 4-48
Exchanging the Backplane ............................. 4-51
Chapter 5. Multiaccess Enclosure Firmware and Operational Code .... 5-1
Running Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Using Multiaccess Enclosure Firmware ....................... 5-2
Attended Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Unattended Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Starting Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Accessing the Firmware from the Service Processor .............. 5-3
The Function Keys ................................... 5-5
Obtaining Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Managing the Configuration .............................. 5-6
Selecting the Boot Sequence ............................. 5-7
Selecting a Device To Test .............................. 5-9
Using the Utilities ................................... 5-10
Setting the Power-On Password ........................ 5-11
Setting the Supervisory Password ....................... 5-12
Enabling Unattended Start Mode ........................ 5-13
Disabling Unattended Start Mode ........................ 5-14
Removing the Supervisory Password ...................... 5-15
Updating System Firmware ........................... 5-16
Displaying the Event / Error Log ........................ 5-23
Viewing or Setting Vital Product Data ..................... 5-24
Manipulating the Dead Man Timer ....................... 5-27
Setting Up Remote Initial Program Load .................... 5-28
Change Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-29
Xmodem Software Selection ......................... 5-29
Restoring the Image Code of the Multiaccess Enclosure Hard Disk .... 5-30
Using Operational Diagnostics ........................... 5-41
Overview of Diagnostic Functions and Status Information .......... 5-41
Accessing the Operational Diagnostics from the Service Processor .... 5-42
Using the Command Line Interface Operational Diagnostics ........ 5-44
Testing the Adapters ................................. 5-49
Running Diagnostics on the New Adapter ................... 5-50
ESCON-only Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-53
Run the Light Test on the New Fiber Optic Cable .............. 5-53
ESCON Interactive Test Options ........................ 5-56
ESCON Optical Power Measurement Test .................. 5-57
CE Leaving Procedure ................................ 5-60
Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-60
Chapter 6. Installing Options . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Installing a Dual Power Supply (FC 3500) ..................... 6-2
Machines Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Related BMs and ECs ............................... 6-2
BMs to be Installed ................................. 6-2
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Contents v

Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Purpose and Description .............................. 6-2
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Installation Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Tools/Materials Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Details of Installation ................................ 6-4
Test procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Field Updating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Installing an Adapter (FC 32XX). ........................... 6-6
Machines Affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Related BMs and ECs ............................... 6-6
BMs to be Installed ................................. 6-6
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Purpose and Description .............................. 6-8
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Installation Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Tools/Materials Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Details of Installation ................................ 6-9
Installing an Adapter ............................... 6-9
Configuring the Adapter. ........................... 6-10
Test procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Field Updating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
After Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Publications Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Parts Disposition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Machine Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Chapter 7. Removing or Relocating Your Multiaccess Enclosure ..... 7-1
Deleting the Configuration Parameters ....................... 7-2
Disconnecting the MAE from Power and Removing Cables ........... 7-3
Preparing the MAE for Shipment ........................... 7-3
Appendix A. Multiaccess Enclosure Components Location ........ A-1
Appendix B. MAE Adapters Plugging Rules ................. B-1
Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Plugging Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Multiaccess Enclosure Slots and Adapters .................... B-2
Appendix C. Parameter Worksheets . . . . . . . . . . . . . . . . . . . . . . C-1
For the multiaccess enclosure ........................... C-1
LAN link from the MAE to the 3746 ........................ C-1
Appendix D. Controller Expansion Component Locations ........ D-1
Appendix E. Managing Operational Code and Configuration Files ... E-1
Reconfiguring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
How Software Files Are Managed ......................... E-1
How to View the Files .............................. E-1
vi 3746-9X0: MAE Installation and Maintenance

How to Reset the Multiaccess Enclosure ................... E-2
Migrating to a New Code level ......................... E-2
Installing a New User Module .......................... E-3
Other Change Management Functions ..................... E-4
Describe Load Images ............................ E-4
Disable Dumping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Enable Dumping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Erase Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Using the Copy Command ............................ E-5
Configuring the MAE via CCM ........................... E-6
Activate MAE Configuration Via CCM ....................... E-14
Appendix F. Common Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-1
LED States / Adapter Status ............................ F-1
The Firmware Interface ............................... F-1
Command Line Interface .............................. F-1
Displaying List of Configured Interfaces ..................... F-1
Displaying the Operational State of the Interfaces ............... F-2
Verifying Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-2
Viewing Vital Software Data ............................ F-2
Viewing Vital Hardware Data ........................... F-3
Adding/Removing an Adapter Using CCM .................... F-3
Suspend Traffic on an Adapter Port ....................... F-3
Resume Traffic on an Adapter Port ........................ F-3
Up-to-Date multiaccess enclosure Information ................. F-4
Disabling Interfaces that Have WAN Reroute Enabled ............. F-4
Enabling WAN Reroute after You Have Disabled it ............... F-5
Spare Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-5
Appendix G. Hardware Error Codes ...................... G-1
Appendix H. Parts Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-1
Assembly 1: Final Assembly, Multiaccess Enclosure ............ H-2
Appendix I. Multiaccess Enclosure Cables ................... I-1
Cables Between the Multiaccess Enclosure, 3746 Models 900/950 and
Service Processor (based on 6275) ....................... I-1
Cables Between the Multiaccess Enclosure, 3746 Models 900/950 and
Service Processor (based on 7585) ....................... I-2
Cable From the Multiaccess Enclosure Lan Adapter to the 8228 ....... I-3
Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-3
Cable from the Multiaccess Enclosure System Card PCMCIA Token-Ring
Adapter to Service Processor .......................... I-4
Interchange Circuits for the Cable between the Multiaccess Enclosure and
the Service Processor ............................. I-4
Balun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-5
Balun Pin Assignment .............................. I-5
Cable from the Multiaccess Enclosure EIA-232 Connector to the Service
Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-6
Interchange Circuits for the Cable between the Multiaccess Enclosure and
the Service Processor ............................. I-6
Adapter Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-7
Cable From the Service Processor or Network Node Processor to the 8228 I-8
Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-8
Contents vii

Multiaccess Enclosure Unit Power Cables .................... I-9
Local Area Network Cable ........................... I-10
Cable Between the 3746 SIE Cassette and the MAE SAC Card ..... I-11
Interchange Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-11
Multiaccess Enclosure LIC Cables ......................... I-13
V.24 / EIA-232 Fanout Cable .......................... I-13
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-14
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-14
V.35 Fanout Cable ................................ I-15
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-16
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-16
V.36 Fanout Cable ................................ I-17
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-18
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-18
X.21 Fanout Cable ................................ I-19
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-20
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-20
V.24 / EIA-232 Serial Cable ........................... I-21
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-21
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-21
V.24 / EIA-232 Direct Attachment Cable .................... I-22
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-22
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-22
V.35 Serial Cable ................................. I-23
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-23
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-23
V.35 Direct Attachement Cable ......................... I-24
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-24
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-24
V.36 Serial Cable ................................. I-25
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-25
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-25
V.36 Direct Attachment Cable .......................... I-26
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-26
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-26
X.21 Serial Cable ................................. I-27
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-27
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-28
X.21 Direct Attachement Cable ......................... I-29
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-29
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-29
Multi-Purpose RJ-45 Cable ........................... I-30
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-30
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-30
RJ-48 T1 ISDN Pri Cable ............................ I-31
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-31
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-31
E1 ISDN Pri Cable ................................ I-32
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-32
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-32
RJ-45 J1 ISDN Pri Cable ............................. I-33
Interchange Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-33
Cable List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-33
V.35 Serial Cable - France ............................ I-34
viii 3746-9X0: MAE Installation and Maintenance