Hitachi 3080 G2 Hardware Reference Manual page 76

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Disengage the cable ties from the shell of the MFB by squeezing the tabs
at the base of the cable ties.
Once all cable ties have been disconnected, disconnect the cable
connectors from the mating MFB connectors by pressing the connector
retainer tabs.
Once all internal cables have been disconnected, remove the MFB. Turn it
upside down and place it on a flat work surface.
Open the box that contains the replacement MFB module. Remove the
module and orient it so that the module cover labels face down. This will
protect the sheet metal tabs on the bottom side of the module (see next
illustration).
Replacing server components
Hitachi NAS Platform 3080/3090 G2 Hardware Reference Guide