Lenovo 8721 Product Manual

Also see for 8721: Quick start instructions

Contents

Note: The following power supplies are withdrawn from marketing:2100W Power Module, 47C7633HVDC 2500W Power Module, 00AM765Table 7. Ordering part number and feature codeDescription Part number Feature codeFlex System Enterprise Chassis 2500W Power Module 43W9049 A0UCFlex System Enterprise Chassis -48V DC 2500W Power Module 00FJ635 A5VCEach AC power supply part number ships with one 2.0m (6.5 ft) 16A/100-250V, C19 to IEC 320-C20 rackpower cable, feature 6292. Other supported AC line cords including three-way split line cords, are listed inthe following table.Table 8. Supported AC line cordsDescription Part number Feature code4.3m, 16A/208V, C19 to NEMA L6-20P (US) Line Cord 40K9772 62752.5m, 16A/100-240V, C19 to IEC 320-C20 Rack Power Cable 39Y7916 62522m, 16A/100-250V, C19 to IEC 320-C20 Rack Power Cable None 62924.3m, US/CAN, NEMA L15-30P - (3P+Gnd) to 3X IEC 320 C19 00D7192 A2Y34.3m, EMEA/AP, IEC 309 32A (3P+N+Gnd) to 3X IEC 320 C19 00D7193 A2Y44.3m, A/NZ, (PDL/Clipsal) 32A (3P+N+Gnd) to 3X IEC 320 C19 00D7194 A2Y5The -48V DC power supply operates at -48V to -60 V dc (nominal) and has a Molex 1060 PowerConnector. The power supply ships with one 2.0m DC power cord (FRU part number 69Y1652)The following figure shows the power supply and highlights the light-emitting diodes (LEDs).Figure 9. Power supply optionThe AC power supplies are 80 PLUS Platinum-certified. The 2500W modules are 2500 Watts output ratedat 200VAC to 208VAC (nominal), and 2750W at 220VAC to 240VAC (nominal). The power supply has anoversubscription rating of up to 3538 Watts output at 200VAC. The power supply operating range is 200-240 VAC. The power supplies also contain two dual independently powered 40mm cooling fan modulesthat are powered not from the power supply itself, but from the chassis midplane. The fan modules arevariable speed and controlled by the chassis fan logic.Flex System Enterprise Chassis 15