The Instek GPT-10000-02 LAN Option is a user-installable accessory for the GPT-12000 and GPT-15000 Series Electrical Safety Analyzers. Remove the screws from the rear panel cover plate and insert the GPIB card into the opening. Push the card gently until it is fully inserted and fasten the screws. The interface settings allows user to choose the remote interface configuration. Select the LAN interface option, press the UP/DOWN arrow soft-keys to move the cursor to the DHCP setting, which assigns IP address related settings automatically. Use the scroll wheel to turn the setting on or off. Designate a target port value in the socket port setting from 00000 to 65000. Define the IP Address, Subnet Mask, and Gateway settings individually from 0 to 255.