To change an MDA type already provisioned for a specific slot/card, the slot/MDA/port configuration must be shut down and then the MDA must be deleted from the configuration. Modify and delete operations can be performed only on the MDAs that are not auto-equipped or auto-provisioned.
Use the following syntax to modify an MDA.
config> port port-id
shutdown
config> card slot-number
shutdown
[no] mda mda-number
[no] mda-type mda-type
shutdown