Site to site VPN between Checkpoint UTM 1 R62 and...

Question

hi,
is any one can guide me how to configure the site to site vpn on checkpoint UTM 1 with R62 and Cisco pix. i am not able estabilish the tunnel. is there any difference in configuring site to site vpn on CP UTM R62 and NG 55. some time i have done same configuration on NG and pix it works fine. but failed to estabilish tunnel between r62 and pix. please share the idea or URL.