MOD-54417-100IR Ethernet Core Module NetBurner MOD-54417-100IR Ethernet Core module is a 32-bit single and dual port module. This module operates at 250MHz with a 64MB DDR2 RAM and 32MB flash. MOD-54417-100IR can function as a switch or as two independent ports, each with a MAC address of its own. This module can be used as a high-performance single board computer or can be added as Ethernet connectivity to a new or existing design. This device is made up of two 10/100Mbps Ethernet with eight UARTs, four I2C, two CAN, three SPI, and 1-wire support.