Lot of 2. Allied Telesyn AT-LMC100ST, which is an IEEE 802.3 Compliant Transceiver. Model: AT-LMC100ST Power: 12Vdc, 0.5A Serial Number: A00667L04110001T C The device is a Class III Ethernet Compatible Transceiver (MAU). It is listed for use in home or office environments and is not plenum rated.