Card configurations include a chassis slot designation. A slot must be preconfigured with the type of cards and MDAs which are allowed to be provisioned.
The following example shows card and MDA configurations for the 7750 SR or 7450 ESS:
classic CLI commands
echo "Card Configuration"
#--------------------------------------------------
    card 8
        card-type iom4-e
        mda 1
            mda-type me10-10gb-sfp+
            no shutdown
        exit
        mda 2
            mda-type me1-100gb-cfp2
            no shutdown
        exit
        no shutdown
              exit
#----------------------------------------------
                MD-CLI commands
(gl)[/]
A:admin@Dut-E# configure card 8
(gl)[/configure card 8]
A:admin@Dut-E# info
    card-type iom4-e
    mda 1 {
        mda-type me10-10gb-sfp+
    }
    mda 2 {
        mda-type me1-100gb-cfp2
    }
    fp 1 {
    }
                The following example shows card configurations for the 7950 XRS:
A:7950 XRS-20# configure card 1
A:7950 XRS-20>config>card# info
----------------------------------------------
        card-type xcm-x20
        mda 1
            mda-type cx20-10g-sfp
            no shutdown
        exit
        mda 2
            mda-type cx2-100g-cfp
            no shutdown
        exit
        no shutdown
----------------------------------------------