Omron MicroHAWK Integration Manual page 91

Communications
IP Address Mode
Determines how the reader's IP address will be defined.
Static
In Static Mode, the reader uses the user-defined IP address entered in ESP. This is the
default state for an Ethernet-enabled MicroHAWK.
DHCP
In DHCP Mode, the reader automatically acquires the IP address, Subnet, and Gateway
addresses from a DHCP or BOOTP server. This is the default state for a USB MicroHAWK.
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MicroHAWK Engine Integration Guide