Controller Card Components - Dell EMC ML3 User Manual

Removing the controller card
Figure 69. Controller card components
Note: The base controller card is on the left, and the expansion controller card is on the right.
Table 44. Controller card components
1
2
3
4
5
6
7
1. Unplug the AC power cables from the module that contains the failed controller card.
2. On the module that contains the failed controller card, remove the expansion interconnect cables ( 2
and 6 ) that connect to other modules, if present.
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Blue captive thumbscrews
Upper Expansion Module connection port
USB Port
Ethernet Port A
Ethernet Port B
Lower Expansion Module connection port
Controller card LEDs, top to bottom
v Green Controller Health Status. The flashing LED indicates that the controller is in
good health status and properly working.
v Yellow Controller Error. This LED turns on if the controller has a hardware issue. In
this case, the green LED stops flashing.
v Blue Unit Identifier. This LED is a beacon that can be turned on or off through the
Management GUI. The LED gives the user an indication that the controller needs
attention. See "Identifying a failed component" on page 73.