Cisco MDS 9100 Series Hardware Installation Guide (OL-17951-02, February 2009)

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B-2
Cisco MDS 9100 Series Hardware Installation Guide
OL-17951-02
Appendix B Technical Specifications
Power Specifications
Power Specifications
This section includes the following information:
• General Power Supply Specifications, page B-3
• Power Supply Requirements and Heat Dissipation Specifications, page B-3
• Connection Guidelines for AC-Powered Systems, page B-5
Table B-2 Cisco MDS 9100 Series Switch Specifications
Description Specification
Cisco MDS 9134
Switch
Dimensions
Width = 17.16 in. (43.59 cm)
Height = 1.72 in. (4.47 cm)
Depth = 18.89 in. (47.98 cm)
Cisco MDS 9124
Switch
Dimensions
Width = 17.16 in. (44.45 cm)
Height = 1.72 in. (4.45 cm)
Depth = 16 in. (40.64 cm)
Cisco MDS 9140
and MDS 9120
Switch
Dimensions
Width = 17.2 in. (43.69 cm)
Height = 1.75 in. (4.45 cm)
Depth = 23.1 in. (58.67 cm)
Depth with cable guide = 28.1 in. (71.37 cm)
Rack Unit (RU)
Chassis requires 1 RU (1.75 in. or 4.45 cm)
Weight 25 lb (Cisco MDS 9140 Switch and Cisco MDS 9120
Switch chassis with two fan modules and two power supplies
installed)
20 lb Cisco MDS 9134 Switch with two power supplies
installed
16.5 lb (Cisco MDS 9124 Switch with a single power supply
installed)
18.5 lb (Cisco MDS 9124 Switch with two power supplies
installed)
Power Supply
(fixed)
300-W AC for each power supply
Power Supply
(optional
redundant power
supply)
300-W AC for each power supply
Part Number: DS-CAC-300W (Cisco MDS 9140 Switch and
Cisco MDS 9120 Switch)
Part Number: DS-C49-300AC (Cisco MDS 9124 Switch)
Airflow Front to back.
250 lfm
1
or 42 cfm
2
through the system. A minimum
clearance of 2.5 in. (6.4 cm) is required between the chassis
air vents and any walls.
1. lfm = linear feet per minute
2. cfm = cubic feet per minute