Table 313: Power Specifications (AC Power Supplies) (continued)
Power cord input plug IEC 320 C13
Power cord wall plug Refer to Power Cord Requirements for AC-Powered Switches
and AC Power Supplies on page 475.
Power supply cord gauge 18 AWG (0.75 mm
2
) up to 6 feet or 2 meters
or
16 AWG (1.0 mm
2
) over 6 feet
Eciency Low Line: 88% at 50% load and 86% at 100% load
High Line: 90% at 50% and 100% loads
Table 314: Power Specifications (DC Power Supplies)
Nominal input -48 to -60 VDC, 20.4 A
DC Voltage input range -35 to -75 V
Inrush Current 21 A peak
Maximum wire size 14 AWG (1.5 mm2 copper stranded).
DC Output +12.2VDC, 61.5A; +12Vaux, 2.5A
Power (W) 750 W
Table 315: Environmental Specifications (All Power Supply Units)
Operating temperature 0°C to 55°C (normal operation)
Storage temperature -40°C to 70°C
Operating humidity 20% to 90% relative humidity, non-condensing
Operational shock 30 m/s
2
(3 G)
Summit 770 W Power Supplies Technical Specifications
The following Summit 770 W power supplies are available for use in ExtremeSwitching X690 and X870
series switches.
• Summit 770 W AC power supply: front-to-back airflow (part no. 10960)
Technical
Specifications Summit 770 W Power Supplies Technical Specifications
ExtremeSwitching Hardware Installation Guide 461
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