S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
B-3
Cisco MDS 9100 Series Hardware Installation Guide
OL-21514-01
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-4
•
Connection Guidelines for AC-Powered Systems, page B-5
General Power Supply Specifications
Table B-3
lists the specifications for the Cisco MDS 9100 Series AC input power supply.
Power Supply
(Spares)
300-W AC power supply spares.
Part Number: DS-CAC-300W= (Cisco MDS 9140 Switch
and Cisco MDS 9120 Switch)
Part Number: DS-C24-300AC= (Cisco MDS 9124 Switch
and Cisco MDS 9134 Switch).
Part Number: DS-C48-300AC= (Cisco MDS 9148 Switch)
Airflow
Front to back, except for Cisco MDS 9148 switch where it is
from back to front.
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
Table B-2
Cisco MDS 9100 Series Switch Specifications (continued)
Description
Specification
Table B-3
Cisco MDS 9100 Series AC Input Power Supply Specifications
AC Input Power Supply
Specification
AC input voltage
Minimum = 85 VAC
Nominal = 100 to 240 VAC
Maximum = 264 VAC
AC input current rating
(maximum)
4.7 A at 85 VAC
3.6 A at 110 VAC
1.8 A at 220 VAC
Note
For plug current rating, see the
“Jumper Power Cord” section on
page C-6
.
AC input frequency
Minimum = 47 Hz
Nominal = 50 to 60 Hz
Maximum = 63 Hz