NetVanta, 8-Port Enhanced SHDSL (Annex A/B) Ethernet NTU. This device accepts up to 8 enhanced SHDSL Ports from the network and provides one (4)10/100 Base-T Ethernet interfaces and (1) Optical SFP interface for customer Ethernet service. This part number is 24/28 VDC powered and requires an external AC/DC power supply for AC operation(1202470). This product is MEF Compliant. This product is RoHS compliant.