Specifications include, but are not limited to: 1. General. A. Furnish a MFES that is suitable for an ITS cabinet without the need for special environmental conditioning. The MFES must have no fan or other moving parts. B. Ensure the MFES supports full-duplex Ethernet communication. C. Provide a MFES that complies with the Institute of Electrical and Electronics Engineers (IEEE) networking standards IEEE-802.1 and IEEE-802.3. Specifically, the MFES must comply with the following IEEE 802.1 standards: IEEE 802.1D Media Access Control (MAC) Bridges, including Rapid Spanning Tree Protocol (RSTP). IEEE 802.1Q Virtual Local Area Network (VLAN) tagging and Multiple Spanning Tree Protocol (MSTP). IEEE 802.1X Port-Based Network Access Control. D. Provide a MFES that can be managed using Simple Network Management Protocol (SNMP) Version 3. E. Provide a power supply that interfaces the MFES to 120 volts alternating current (VAC) power, 60 hertz (Hz), single-phase power. Provide a MFES resistant to electromagnetic interference (EMI). Provide a MFES and power supply that has an operating temperature range of at least -40 degrees Fahrenheit (F) to 158 degrees F.