... install and maintain. With its flexible VLAN deployment, PoE capabilities, comprehensive routing functions, and capability to ... . This facilitates the ease of PD use. PoE ports continue to work while in power-saving ... S3700-52P-PWR-EI Mainframe (48 Ethernet 10/100 ports, 4 Gig SFP, PoE+, Dual Slots of power, ... S3700-52P-PWR-SI Mainframe (48 Ethernet 10/100 ports, 4 Gig SFP, PoE+, Dual Slots of Power, ...