A technician has replaced an MX chassis tub. They complete the tub installation and power on the chassis. They notice that the KVM is no longer functional. What should the technician do after…

Question

Options

• AEnsure all cables connecting the tub to the left ear control panel are connected properly
• BEnsure all power supplies are connected and powered-on
• CEnsure all cables connecting the tub to the right ear control panel are connected properly
• DEnsure all installed Management Modules are connected to the network

• A
  83% (40)
• B
  8% (4)
• C
  6% (3)
• D
  2% (1)

Explanation

Option A is correct because in the Dell EMC MX chassis, the KVM functionality - including the VGA and USB ports used for local keyboard/video/mouse access - is physically routed through the left ear control panel. Replacing the chassis tub can disturb the internal cables connecting the tub to that panel, severing the KVM signal path even though the feature remains enabled in OME-M software.

Option B is wrong because the chassis already powered on successfully, confirming the power supplies are functional - PSU issues would affect the entire chassis, not just KVM. Option C is wrong because KVM is tied to the left ear, not the right; the right ear control panel handles different functions. Option D is wrong because Management Module network connectivity enables remote/out-of-band management, whereas KVM is a local, direct-access feature independent of network state.

Memory tip: "Left ear = Local KVM" - both start with L. When local console access breaks after a tub swap, always check the left side first.

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