48Table 9 Power module specificationsPower module model Specifications RemarksLSVM1AC650• Rated input voltage: 100 VAC to 240 VAC @ 50Hz or 60 Hz• Max input voltage: 90 VAC to 264 VAC @ 47 Hzto 63 Hz• Max output power: 650 W• Melting current of the fuse: 10 A/250 VFor more informationabout the powermodules, see H3CLSVM1AC650 &LSVM1DC650 PowerModules User Manual.LSVM1DC650• Rated input voltage: –40 VDC to –60 VDC• Max input voltage: –40 VDC to –72 VDC• Max output power: 650 W• Melting current of the fuse: 30 A/250 VFan traysTable 10 Fan tray specificationsFan tray model Item Specifications• LSWM1FANSA(from the powermodule side to theport side)• LSWM1FANSAB(from the port sideto the powermodule side)Dimensions 40.6 × 42.5 × 118.7 mm (1.60 × 1.67 × 4.67 in)Fan speed 21000 R.P.MMax airflow 35 CFMInput voltage 12 VMaximum power consumption 30 WDocumentation reference H3C LSWM1FANSA & LSWM1FANSAB FanTray User Guide• LSWM1BFANSC(from the powermodule side to theport side)• LSWM1BFANSCB(from the port sideto the powermodule side)Dimensions 80 × 80 × 76 mm (3.15 × 3.15 × 2.99 in)Fan speed 20000 R.P.MMax airflow 120 CFMInput voltage 12 VMaximum power consumption 57 WDocumentation reference H3C LSWM1BFANSC & LSWM1BFANSCBFan trays User GuideExpansion cardsThe S6820-4C switch provides four expansion slots. Select expansion cards for the switch asrequired.Table 11 Interface cards available for the S6820-4C switchInterfacecard model Interface card name Interface numberand typeTransceiver modules availablefor the portsLSWM18CQ 8-Port QSFP28 InterfaceModule 8 × QSFP28 ports • For the transceiver modules andcables available for the SFP+