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EMC Connectrix B Series v6.2 ED-DCX-4S-B Hardware Reference Manual

Removal and Replacement Procedures (RRPs)

RRP: Core switch blade (CR4S-8)

This section describes how to remove and replace a core switch blade.

The ED-DCX-4S-B has two core switch blades: one in slot 3 and one in

slot 6. Note that the blade shown in the removal illustration

(Figure 22 on page 108) is shown with EMI plugs installed.

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:

◆ ESD (electrostatic discharge) grounding strap

◆ Phillips #2 screwdriver

◆ Replacement core switch blade (ED-DCX-4S-B requires the

CR4S-8 core switch blade)

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:

◆ 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

C timeouts.

• 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.

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