Time And Items Required; Verifying The Necessity Of Replacement; Removing A Core Switch Blade (Cr4S-8) - Dell PowerConnect B-DCX-4S Backbone Hardware Reference Manual

Time and items required

The replacement procedure for the core switch blade takes approximately 30 minutes. The
following items are required for the core switch blade replacement:
•
•
•

Verifying the necessity of replacement

Confirm that you need to replace the core switch blade before continuing. The following events
might indicate that a core switch blade is faulty:
•
•
•
•
For more information about error messages, refer to the Fabric OS Message Reference.

Removing a core switch blade (CR4S-8)

The PowerConnect B-DCX-4S continues to operate while a core switch blade is being replaced.
ATTENTION
Follow ESD precautions
NOTE
The CR4S-8 blade is compatible only with the PowerConnect B-DCX-4S.
1. Remove the chassis door
2. Power off the blade by sliding the slider switch in the left ejector to the right to the off position
3. Disconnect all cables from the faulty core switch blade. If ICL cables are not used, remove the
4. Unscrew the thumb screw from both ejectors using the Phillips screwdriver.
PowerConnect B-DCX-4S Backbone Hardware Reference Manual
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ESD (electrostatic discharge) grounding strap
Phillips #2 screwdriver
Replacement core switch blade (PowerConnect B-DCX-4S requires the CR4S-8 core switch
blade)
The status LED on the core switch blade is lit amber, or the power LED is not lit.
The slotShow command does not show that the core switch blade is enabled.
The haShow command indicates an error.
Any of the following messages display in the error log:
•
"Slot unknown" message relating to a core switch blade slot.
•
Core switch blade errors or I
•
FRU: FRU_FAULTY messages for a core switch blade.
•
Configuration loader messages or "Sys PCI config" messages.
•
Generic system driver messages ("FABSYS").
•
Platform system driver messages ("Platform").
•
EM messages that indicate a problem with a core switch blade.
•
Function fail messages for the core switch blade master.
("ESD
(Figure 24).
EMI plugs from the cable sockets.
RRP: Core switch blade (CR4S-8)
2
C timeouts.
precautions").
("RRP: Chassis door").
5
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