System DescriptionH3C S3600 Series Ethernet Switches Chapter 2 Hardware Description2-402.8.4 Attributes of 1000 Mbps SFP PortsDepending on your needs, the S3600-52P-EI can provide four 1000 Mbps SFP portswhich are numbered as 49, 50, 51 and 52 (optical or electrical) on its front panel.SFP modules allow for great flexibility in networking because they are hot swappableand user configurable.Please see Table 2-6 to know the available SFP modules: Note:The available 1000 Mbps SFP modules are subject to changes. For information on the latest moduleoptions, contact your sales agent.2.8.5 Power SubsystemI. AC-input powerFollowing are the AC-input voltage specifications of the S3600-52P-EI:Rated voltage: 100 to 240 VAC; 50 to 60 HzMax. tolerance: 90 to 264 VAC; 50 to 60 HzII. DC-input powerDC-input voltage range: -36 VDC to -72 VDC.2.8.6 Cooling SubsystemThe S3600-52P-EI is cooled by one fan.2.9 S3600-52P-PWR-EI Ethernet Switch2.9.1 AppearanceThe S3600-52P-PWR-EI has 48 x 10Base-T/100Base-TX Ethernet ports, four 1000Mbps SFP ports, and one Console port on its front panel, and on its rear panel both ACand DC power inputs.