Dell PowerEdge MX740c EMC PowerEdge MX7000 Enclosure Installation and Service - Page 39

Fabrics and modules, Removing a blank from Fabric A or B slot

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Fabrics and modules There are several connections on the Main Distribution Board to enable communication between the IOMs. Between each pair of IOMs (C1 and C2), there is a link for intermodule communication. This link is referred as Fabric-V in the schematics. This link supports a x1 connection with each lane operating up to 10 Gbps per direction. In addition to the Fabric-V, there are handshake signals between the two modules to facilitate redundancy/failover or other module to module communication. The usage of these interconnects depends on the IOM design and its particular requirements. There are three fabrics connections available in MX7000 enclosure. • General purpose (2) - Fabric A and B • Storage (1) - Fabric C • Fabric module A or B • Fabric module C • Management module Removing a blank from Fabric A or B slot Steps 1. Press the blue release button to release the blank. 2. Pull the blank out of the enclosure. NOTE: To maintain proper airflow, ensure that the blanks are installed if the IOMs are not installed. Figure 28. Removing a blank from Fabric A or B slot Next steps 1. Install a module in the Fabric A or B slot or a blank. Installing a blank in Fabric A or B slot Prerequisites 1. Follow the safety guidelines listed in Safety instructions. Installing and removing system components 39

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Fabrics and modules
There are several connections on the Main Distribution Board to enable communication between the IOMs. Between each pair of IOMs
(C1 and C2), there is a link for intermodule communication. This link is referred as Fabric-V in the schematics. This link supports a x1
connection with each lane operating up to 10 Gbps per direction. In addition to the Fabric-V, there are handshake signals between the two
modules to facilitate redundancy/failover or other module to module communication. The usage of these interconnects depends on the
IOM design and its particular requirements.
There are three fabrics connections available in MX7000 enclosure.
•
General purpose (2) - Fabric A and B
•
Storage (1) - Fabric C
•
Fabric module A or B
•
Fabric module C
•
Management module
Removing a blank from Fabric A or B slot
Steps
1.
Press the blue release button to release the blank.
2.
Pull the blank out of the enclosure.
NOTE:
To maintain proper airflow, ensure that the blanks are installed if the IOMs are not installed.
Figure 28. Removing a blank from Fabric A or B slot
Next steps
1.
Install a module in the Fabric A or B slot
or
a blank
.
Installing a blank in Fabric A or B slot
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
Installing and removing system components
39