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  • DTM Fulcrum Switch Manager
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For DTMs not installed in a COB, the switch manager software must be disabled.

To disable the Fulcrum switch manager

Log into the DTM

Execute fw_setenv nocm 1

Execute systemctl disable fmd

Reboot DTM

To reenable the Fulcrum switch manager

Log into the DTM

Execute fw_setenv nocm

Execute systemctl enable fmd

Reboot DTM

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