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This chapter provides instructions for cleaning the high-density backplane-mounted (HBMT) connectors on the rear of the S2 cards in the fabric card chassis.
This chapter presents the following topics:
•Information About Cleaning the S2 HBMT Connectors
•Cleaning the S2 HBMT Connectors
In the fabric card chassis (FCC), the S2 and OIMs connect to each other using HBMT connectors on the back of each card. Use the S2 HBMT adapter (see Figure 4-1) to clean these connectors.
Figure 4-1 S2 HBMT Adapter
Each S2 HBMT connector contains four optical ferrules. To access all ferrules, you must clean two ferrules and then rotate the adapter 180 degrees to clean the remaining two ferrules, as described in the following steps:
Warning Because invisible radiation may be emitted from the aperture of the port when no fiber cable is connected, avoid exposure to radiation and do not stare into open apertures. Statement 125
Warning Class 1M laser radiation when open. Do not view directly with optical instruments. Statement 281
Figure 4-2 Cleaning the S2 HBMT Connectors
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S2 fabric card |
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S2 HBMT adapter |
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Cleaning tool |
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S2 HBMT connector |
To clean the S2 HBMT connectors, follow these steps:
Step 1 Attach an ESD-preventive wrist strap to your wrist and connect its leash to an ESD connection socket or a bare metal surface on the chassis.
Step 2 Insert the S2 HBMT adapter all the way into the connector. The metal tabs on the sides of adapter should contact the plastic latches on the sides of the connector, as shown in Figure 4-3.
Figure 4-3 Sample Cleaning Adapter, Cleaning Tool, and S2 HBMT Connector
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S2 HBMT adapter |
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Metal tabs on adapter |
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Cleaning tool |
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Plastic latches on connector |
Step 3 Insert the cleaning tool into the first adapter slot. Align the key on the cleaning tool with the matching notch in the adapter slot. The cleaning tool works properly only when the cleaning head is properly inserted.
Step 4 Advance the thumb wheel until you hear two hard clicks. This advancement ensures that enough lint-free cleaning cloth advances across the face of the fibers in the ferrule.
Note The thumb wheel makes a series of soft clicks followed by a "hard click" when turned. The hard click is represented by six large notches along the edge of the thumb wheel. Always advance the thumb wheel until you hear two hard clicks.
Step 5 Clean the two visible ferrules and then rotate the array adapter 180 degrees to clean the remaining two ferrules.
Step 6 Repeat these steps for all S2 HBMT connectors that require cleaning.