Cisco MDS 9000 Series Hardware Installation Guide

SpecificationDescription
• 500-W AC, port-side exhaust variant (up to 2
per switch)
• 500-W AC, port-side intake variant (up to 2 per
switch)
• AC input—100 to 240 V AC (10% range)
• Frequency—50 to 60 Hz (nominal)
• 80 PLUS Platinum certified
Power Supply
• Back to front (toward ports) using port-side
exhaust fans
• Front to back (into ports) using port-side intake
fans
• 50 CFM (0.02 m
3
/s) through system fan
assembly at 25°C
• 100 CFM (0.04 m
3
/s) maximum
We recommend that you maintain a minimum air
space of 2.5 in. (6.4 cm) between walls and chassis
air vents and a minimum horizontal separation of 6
in. (15.2 cm) between two chassis to prevent
overheating.
To prevent the switch from overheating and shutting
down, you must position the air intake for the switch
in a cold aisle.
Airflow
Power Specifications
General Power Supply Specifications
The following table lists the specifications for the switch AC power supply:
Table 4: Power Supply Specifications
SpecificationAC Input Power
100 to 240 VACAC input voltage
Nominal = 50 to 60 HzAC input frequency
500 WPower supply output capacity
20 msOutput holdup time
Cisco MDS 9148V-K9 Switch Hardware Installation Guide
46
Technical Specifications
Power Specifications

Cisco MDS 9000 Series Specifications

General

Brand	Cisco
Model	MDS 9000 Series
Category	Switch
Language	English