The ETG-302-1 is a two-channel optical 10 Gigabit Ethernet board for the next generation Airborne Instrumentation Multiplexer, AIM-200XE-1. It receives and formats inbound (acquired) data. When the ETG-302-1 is used in the AIM, it can transmit data to an nREC-7000-1 recorder through one or two 10 Gb Ethernet ports.