LAN cable from IOT to Fiery needs to be a crossover.
IOT NIC needs to be either DHCP/AutoIP (Vastly preferred) or Static assigned as
Machine Status > Tools > Connectivity and Network Setup > Protocol Settings > TCP/IP Network Settings > Change Settings
IP=100.100.100.101
SUB=255.255.252.252
Gate=100.100.100.102
But that is not the preferred method
EIP needs to be enabled and configured
CWIS > Properties > General Setup > Extensible Services Setup