
Contents
Figures ............................v
Tables ............................vii
Safety and Environmental Notices .................ix
About This Publication .....................xi
Who Should Use This Publication ..................xi
Terms Used ..........................xi
What Is Included In This Publication .................xi
Related Publications .......................xi
How To Send Your Comments ...................xii
Summary of Changes .....................xiii
Chapter 1. Installation .....................1-1
Physical Planning Information ...................1-1
Physical Specifications.....................1-1
Installation Flowchart ......................1-4
2074 Setup Instructions .....................1-4
Customer Information ......................1-7
Power on the 2074 .......................1-7
Verify the 2074 Start Up .....................1-8
Chapter 2. Maintenance Information ................2-1
Service Start Map .......................2-1
Diagnostics ..........................2-3
Diagnostic Tools Overview ...................2-3
Identifying Problems Using LEDs .................2-4
Troubleshooting 2074 Hang Conditions................2-5
Client Terminal Session Troubleshooting ...............2-6
ESCON Troubleshooting.....................2-11
″ESCON 1″- Troubleshooting Guidelines .............2-11
Steps...........................2-11
Summary .........................2-13
″ESCON 2″- Troubleshooting Guidelines .............2-14
Steps...........................2-14
Summary .........................2-16
2074 LAN Adapter Diagnostics ..................2-16
Token-Ring or Ethernet LAN adapter diagnostics...........2-18
End of Call .........................2-25
Chapter 3. Service Procedures ..................3-1
Service Procedures Problem/Action List ...............3-1
Determining Whether the 2074 Channel Adapters Are Active ........3-3
Collecting I/O Traces and Logs...................3-3
Summary of Operation (AWSABEND.CMD) .............3-4
Snap Shot Dump .......................3-4
I/O Trace ..........................3-4
2074 Error Logs ........................3-5
AWSERROR.LOG ......................3-6
INSTALL.LOG ........................3-6
POPUPLOG.OS2.......................3-6
© Copyright IBM Corp. 2000, 2003 iii
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