DC Power Supplies
The following Summit 1100 W DC power supplies are available for use in ExtremeSwitching X690 and
X870 series switches.
• Summit 1100 W DC power supply: front-to-back airflow (part no. 10962)
• Summit 1100 W DC power supply: back-to-front airflow (part no. 10963)
See Summit 1100 W DC Power Supplies (10962, 10963) on page 464 for details.
Summit 1100 W AC Power Supplies (10941, 10942)
Table 319: Physical Specifications
Dimensions Height: 1.57 inches (4.0 cm)
Width: 3.25 inches (8.3 cm)
Length: 10.22 inches (26.0 cm)
Weight 2.55 lb (1.12 kg)
Table 320: Power Specifications
Voltage input range
100-127/200-240 47 to 63Hz
Nominal input ratings 12.5 A max at 115VAC and 6 A max at 230VAC at full 1100 W load
Maximum inrush current 45A at Max 264 VAC at 25C with cold start
Output 54 V, 20 A max, 1100 W
Power supply input socket and cord IEC/EN 60320-1/C16 AC input receptacles
Power cord wall plug Refer to Power Cord Requirements for AC-Powered Switches
and AC Power Supplies on page 475.
Eciency Minimum eciency: 88% at maximum power output.
Table 321: Environmental Specifications
Operating temperature -10°C to 50°C (normal operation)
Storage temperature -40°C to 70°C
Operating humidity 93% relative humidity, non-condensing at 30C
Operational shock 30 m/s
2
(3 G)
Technical Specifications DC Power Supplies
ExtremeSwitching Hardware Installation Guide 463
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