Digital Equipment EK-SFXXS-SG-003, Service Manual

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SF3x Storage Enclosure FRU Replacement 5–27
9. Install the new transition module and tighten the four screws.
10. Replace all cables on the appropriate transition module connectors.
11. If applicable, set any DSSI node ID switches that need setting.
Table 2–2.
12. Slide the inner assembly back into the extrusion tube. Replace the
front panel screws. Do not use excessive force as it may strip the
threads in the extrusion tube.
13. Replace the OCP by aligning the OCP connector pins with the TM clip
fasteners on the transition-termination module. Push, do not force,
the OCP into the fasteners by applying equal pressure to both sides.
14. Restore the enclosure to service, and run the checkout procedure in
(Section 5.9.2).
5.6 Replacing the Backplane
Use the following steps to remove and replace the DSSI backplane (PN
54-12109-01) from either the front or the rear of the storage enclosure.
1. Remove the fan assembly, using the procedure outlined in Section 5.4.
2. Remove the fan bracket by removing 4 screws, 2 on each side.
3. Remove the cables from the backplane.
4. Remove the five philips-head screws holding the backplane to the
storage enclosure.
NOTE
On the middle philips-head screw the is a insulating space
washer.
5. Install the replacement backplane, and tighten the five screws holding
it to the enclosure (Do not over tighten).
6. Replace all cables that you removed from the faulty backplane.
7. Replace fan bracket.
8. Repalce fan assembly.