... migrate to an IPv6 network, the S3700 helps enterprise customers build next-generation IT networks. In addition, the S3700 uses advanced ... /100 ports, 4 Gig SFP, PoE+, Dual Slots of power, Without Power Module)S3700-28TP-PWR-EI Mainframe (24 Ethernet 10/100 ports ... /100/1,000 or SFP, PoE+, Dual Slots of power, Without Power Module)S3700-28TP-EI-AC Mainframe (24 Ethernet 10/100 ports ...