B-2
Cisco MDS 9100 Series Hardware Installation Guide
OL-16187-01
AppendixB 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-4
TableB-2 CiscoMDS 9100 Series Switch Specifications
Description Specification
Cisco MDS9134
Switch
Dimensions
Width = 17.16 in. (43.59 cm)
Height = 1.72 in. (4.47 cm)
Depth = 18.89 in. (47.98 cm)
Cisco MDS9124
Switch
Dimensions
Width = 17.16 in. (44.45 cm)
Height = 1.72 in. (4.45 cm)
Depth = 16 in. (40.64 cm)
Cisco MDS9140
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 CiscoMDS 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 (CiscoMDS 9140 Switch and
Cisco MDS 9120 Switch)
Part Number: DS-C49-300AC (CiscoMDS 9124 Switch)
Airflow Front to back.
250 lfm1 or 42 cfm2 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