Switch, Firewall, Server manufacturer / supplier in China, offering 98011804-001 S5331-S48s4X-D Network Switches (48*GE SFP ports, 4*10GE SFP+ ports, with DC power), 98011803-001 S5331-S48s4X-a Network Switches (48*GE SFP ports, 4*10GE SFP+ ports, with AC power), 02270152 PDC-650wa-Be 650 W DC Poe Power Module for S6700 Series Switch in Stock and so on.