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Installing a CR4S-8 core switch blade
Attention: Follow ESD precautions (see “ESD precautions” on page xviii)
whenever handling blades.
To install a CR blade (slot 3 or 6), do the following:
1. Open the ejector handles to approximately 45 degrees; then, orient the CR
blade so that the handles are toward you and the flat metal side is on the
bottom.
2. Align the flat metal side of the core switch blade inside the left and right blade
guides in the slot; then, slide the core switch blade into the slot until it is firmly
seated.
3. Close the ejector handles and then tighten the thumbscrews inside each handle
using the Phillips screwdriver.
4. Turn the core switch blade on by sliding the ON/OFF switch in the left handle
to the left, to cover the thumbscrew.
5. Verify that the power LED is green (this might require a few seconds). If not,
ensure that the core switch blade has power and is firmly seated and that the
ejectors are in the locked position.
6. Connect the cables to the new core switch blade. If ICL cables are not used,
insert EMI plugs into the cable sockets.
7. Install the chassis door. (See “Removing and installing the chassis door” on
page 61.)
8. Pack the faulty core switch blade in the packaging provided with the new core
switch blade for return to IBM, following local procedures.
384b020
Figure 36. Removing and replacing the core switch blade
74 SAN384B Installation, Service, and User Guide
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