Check the listing for details. Comnet CNFE2MCM Small-size 10/100 Mbps Ethernet Media Converter. Condition: Used. Listed at 400.00 USD. The ComNet™ Ethernet media converters are designed to transmit and receive 10/100 Mbps data over optical fiber through user selectable SFP options. The CNFE2MCM transmits and receives a single channel of Ethernet data. CNFE2MCM is environmentally hardened to operate in extreme temperatures. Packaged in the exclusive ComNet ComFit housing, the CNFE2MCM units may be either wall or rack-mounted, or may be DIN-rail mounted by the addition of ComNet model DINBKT1 adaptor plate. The small-size CNFE2MCM is available for either AC or DC power. Features 10/100 Mbps EthernetElectrical port supports Auto-Negotiation for 10 Mbps or 100 Mbps, full duplex or half duplex dataOptical port supports 100 Mbps full duplex dataAutomatic MDI/MDI-X crossoverDistances up to 80 km with optional SFPsDesigned to meet full compliance with the environmental requirements (ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/lowline voltage conditions and transient voltage protection) of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control EquipmentUses interchangeable SFP modules for fiber type, distance and connectorVoltage transient protection on all power and signal input/output lines provides protection from power surges and other voltage transient eventsNo in-field optical adjustments requiredCNFE22MC are hot-swappable rack modulesCNFE22MC are interchangeable between stand-alone or rack mount use – ComFitLED indicators provided for confirming equipment operating statusIEEE 802.3 compliant THIS ITEM IS NEW IN AN OPEN BOX. IT IS IN GREAT CONDITION BUT MAY NOT NOT BE CONTAINED IN THE ORIGINAL PACKAGING.