IBM 7133 Series Service Manual
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| Step 1| You are here because the optical link might not be working correctly.| Ensure that:| The Fibre-Optic Extender at each end of the optical link is correctly plugged in.| The fiber optic cables are correctly connected to the Fibre-Optic Extenders.| The using system and the 7133 (or any other device into which Fibre-Optic Extenders| are plugged) are turned on.| Does the problem remain?| NO| Go to “MAP 2410: 7133 – Repair Verification” on page 2-2410-1 to verify the| repair.| YES| Go to step 2.| Step 2| (from step 1, step 10 on page 2-2330-12, and step 15 on page 2-2330-17)| If you are at this step for the first time, observe the lights on either of the two Fibre-Optic| Extenders of the link.| If you have come to this step from any step in this MAP other than step 1, observe the| lights on the Fibre-Optic Extender at the other end of the link.| Is the Power light off?| NO| Go to step 3.| YES| Go to step 5 on page 2-2330-5.| Step 3| (from step 2)| Is the Receive light off?| NO| Go to step 9 on page 2-2330-12.| YES| Go to step 4 on page 2-2330-4.Chapter 2. Problem Determination Procedures 2-2330-3 |
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