PLANET CS-2000 - Manual (Page 5)

3.2 NAT Mode Connecting Example
LAN DMZ
CS-2000 DMZ
NAT Mode
10.0.0.1
LAN PC1
192.168.1.2
LAN PC1
192.168.1.3
DMZ Server1
10.0.0.2
DMZ Server2
10.0.0.3
LAN
192.168.1.1
WAN1
61.11.11.11
WAN2
61.22.22.22
DMZ and WAN IP addresses are on the different subnet (as shown in the figure above).
This provides higher security level than transparent mode.