HP A7990A - StorageWorks SAN Director 4/16 Blade Switch, Hardware Reference Manual

Page: 77 / 144

DC SAN Backbone Director hardware reference guide 77
Removing a core switch blade (CR8)
The DC Director continues to operate while a core switch blade is being replaced.
NOTE: The CR8 blade is compatible only with the DC Director.
To remove a CR blade:
CAUTION: Wear a grounded ESD strap when handling a CR8 blade. Use the grounding connections
above the power connectors on the chassis.
1. Remove the chassis door. See ” Removing the chassis door ” on page 64.
2. Power off the blade by sliding the slider switch in the top ejector down to the off position (see
Figure 31 ).
3. Disconnect cables from the faulty core switch blade.
4. Unscrew the thumb screw from both ejectors using the Phillips screwdriver.
5. Lever open both ejector handles simultaneously to approximately 45 degrees and pull the core switch
blade out of the chassis (see Figure 31 ).
Figure 31 Core switch blade (CR8)
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