1-14Figure 1-8 Installation procedureInstall thepower moduleConnect thepower cordSwitch on thepower moduleInstall thepower moduleConnect thepower cordSwitch on thepower moduleFigure 1-9 Removal procedureSwitch off thepower moduleDisconnect thepower cordRemove thepower moduleSwitch off thepower moduleDisconnect thepower cordRemove thepower moduleAC Power ModuleThe S5810 series uses PSR300-12A as the AC power module. The specifications of PSR300-12A areillustrated in Table 1-18.Table 1-18 PSR300-12A specificationsItem SpecificationsRated voltage range 100 VAC to 240 VAC; 50/60 HzMax voltage range 90 VAC to 264 VAC; 47/63 HzOutput voltage 12 VMax output current 25 AMax output power 300 WDC Power ModuleThe S5810 series uses the PSR300-12D1 as the DC power module. The specifications ofPSR300-12D1 are illustrated in Table 1-19.Table 1-19 PSR300-12D1 specificationsItem SpecificationsRated voltage range –48 VDC to –60 VDCMax voltage range –40.5 VDC to –72 VDCOutput voltage 12 VMax output current 25 AMax output power 300 WSee H3C PSR300-12A & PSR300-12D1 Power Module User Manual for the detailed description of thepower modules.Ventilation SystemThe ventilation system of the S5810 series consists of the air vents at both sides of the chassis, theturbo fan, and the power module fans. With the ventilation system, the heat generated from the chassisand the power modules can be dissipated in time to ensure the system stability. When installing the