1-54
Cisco MDS 9148S Multilayer Switch Hardware Installation Guide
OL-20185-01
Chapter 1 Technical Specifications
Power Specifications
Power Specifications
This section includes the following information:
•
General Power Supply Specifications, page 1-54
•
Power Supply Requirements Specifications, page 1-55
•
Connection Guidelines for AC-Powered Systems, page 1-55
General Power Supply Specifications
lists the specifications for the Cisco MDS 9148S switch AC input power supply.
Weight
19.84 lb (9 kg) (with two fan modules and two power
supplies installed)
Power Supply
(fixed)
300-W AC for each power supply
Part Number: DS-C48S-300AC
Power cord: Notched C15 socket connector connecting to
C16 plug on power supply
100 to 240V AC (10% range)
50 to 60 Hz (nominal)
Airflow
Back to front.
200 linear feet per minute (LFM) through the system and a
maximum of 380 LMDM.
Cisco recommends 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.
Table 1-2
Cisco MDS 9148S Switch Specifications (continued)
Description
Specification
Table 1-3
Cisco MDS 9148S Switch AC Input Power Supply Specifications
AC Input Power Supply
Specification
AC input voltage
Minimum = 90 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 1-6
AC input frequency
Nominal = 50 to 60 Hz