the NetVanta 814 provides 4 DS1/E1 interfaces that can be bonded for up to 6/8 Mbps of customer Ethernet service. The 814 provides 1 SFP for Optical/Electrical Ethernet handoff and 410/100 BaseT electrical Ethernet interfaces. The NetVanta 814 can be deployed in bookended application for E-Line service. Note that the 814 is 24/48 VDC powered. For AC applications an optional AC/DC is required (1202470) to be ordered separately. This product is MEF Compliant.