You have to top up your Equicex card in order to be able to use it. After you activate the card a wallet will be enabled for you giving the deposit/withdraw method. You can top-up your card using Bitcoin only.
Once you have funds in one of your Equicex wallets, click Load on your Accounts page.
On the next page select a wallet to fund the card. You can top up your card from one of your Accounts.