IBM 3745 130, Maintenance Information Procedures

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Preface
Preface
About this Manual
This MIP is a guide for fault isolation and repair of the 3745 Communication Controller. It is expected that
the customer has used the .
Problem Determination Guide, SA33-0096 or the 3745 Models A, Problem
Analysis Guide (online document) prior to calling IBM for service. The MIP does not duplicate the tasks
done by the
Problem Determination Guide.
The MIP gives the service representative information needed to:
Ÿ Analyze problems or symptoms reported by the system user.
Ÿ Restore normal 3745 operation.
Who Should Read this Manual
The person using this manual should be:
Ÿ Trained to service the 3745 and 3746-900.
Ÿ Familiar with the configuration of the system to which the 3745 is connected.
Ÿ Familiar with the operation of the 3745, as described in the
IBM 3745 Hardware Maintenance
Reference, SY33-2066 and IBM 3745 Communication Controller Service Function, SY33-2069, which
are part of this Maintenance Library.
The intended audience for this manual are Product-Trained Customer Engineers (PT CE). The Product
Support-Trained Customer Engineer (PST CE) is also expected to refer to this manual when he is required
to perform the same tasks as the PT CE.
How this Manual Is Organized
This manual is organized as follows:
Ÿ
Safety information is at the start of the manual.
Ÿ
From Chapter 1 through Chapter 4, this manual is designed so that the information is presented to
the user in the same order as he will require it during the majority of service calls. The user is told
where to go next for each path through this part of the manual.
Ÿ
At the back of the manual are:
– Appendix A, Maintenance Aids
– Appendix B, Bibliography
– Appendix X: Abbreviation list and glossary.
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Copyright IBM Corp. 1989, 1997
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