Map 2330: 7133 - Fibre-Optic Extender - IBM 7133 Series Service Manual

Serial storage architecture disk subsystem
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MAP 2330: 7133 – Fibre-Optic Extender
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This maintenance analysis procedure (MAP) describes how to analyze a failure that has
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occurred in the optical link.
Diagnostic aid is provided by two lights on each Fibre-Optic Extender: a Power light 1
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and a Receive light 2 . During normal operations, both lights of each Fibre-Optic
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Extender are on.
A wrap cable and adapter assembly 3 is provided with each Fibre-Optic Extender. This
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assembly consists of a fiber optic wrap cable 4 and a fiber optic wrap adapter 5 . The
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two parts of the assembly are used during diagnostic procedures. The wrap cable
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connects the connectors of the Fibre-Optic Extender to each other; the wrap adapter
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connects the two fiber optic cables to each other.
Chapter 2. Problem Determination Procedures
2-2330-1

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