PLANET SG-1000 - Manual (Page 58)

4.3 Setting DMZ Interface Address (NAT Mode)
STEP 1 Click DMZ Interface
STEP 2 Select NAT Mode in DMZ Interface
„ Select NAT in DMZ Interface
„ Enter IP Address and Netmask
STEP 3 Select Ping, HTTP, and HTTPS.
STEP 4 Click OK
Setting DMZ Interface Address (NAT Mode) Web UI