ISPSoft User Manual Setting COM2 to show for: when COM2 is selected from the drop-down list, it will show the RS485 communication status of the COM2; when Card2 is selected from the drop-down list, it will show the Card2 communication status. 3.1.4.8 Options - Ethernet Port Basic Setting The communication parameters can be set for the Ethernet port in the CPU module in this page. Refer to other related documents or manuals for more information about Ethernet. Mode sets the addressing mode of the IP of the CPU module. If users select Static , they can specify an IP address directly. If DHCP or BOOTP is selected, the IP address is assigned dynamically by a DHCP/BOOTP server. 3-94