I am using this card on my c760 with Cacko 1.21b. Assuming you are using a Sharp based ROM, the procedure should be the same.
Open /etc/pcmcia/wlan-ng.conf in your favourite text editor and add the following:
card "Zonet ZCF1100"
manfid 0x000b, 0x7100
bind "prism_cs"
Then open a console and type /etc/rc.d/init.d/pcmcia restart
Your card should be detected, assuming you have it plugged in.
Good luck, hope this helps.
Mike.