Cisco 4948 - Catalyst Switch Installation Manual page 22

Features
Table 1-1 Catalyst 4948E and Catalyst 4948E-F Switch Features (continued)
Feature
Power supplies
Catalyst 4948E
Catalyst 4948E-F
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
1-6
Description
Supports one or two power supplies. The following power supplies are
•
supported:
PWR-C49E-300AC-R (300 W AC-input power supply).
–
PWR-C49-300DC (300 W DC-input power supply).
–
The power supplies are not interchangeable between the
Note
Catalyst 4948E and the Catalyst 4948E-F switch chassis.
The front panels on both of the power supplies for the Catalyst 4948E
•
are color-coded dark grey.
The 300 W AC-input power supply requires single-phase source AC.
Note
Source AC can be out of phase between multiple power supplies
because all AC power supply inputs are isolated.
Appendix A, "Power Supply Specifications"
Note
information on both of the power supplies.
If the redundant power supply is not installed, the empty power
Note
supply bay should be covered using the blank power supply cover
(p/n WS-X4994). The blank power supply cover is color-coded dark
grey.
Supports one or two power supplies. The following power supplies are
•
supported:
PWR-C49E-300AC-F (300 W AC-input power supply, reversed air
–
flow).
• The front panel on the power supply for the Catalyst 4948E-F is
color-coded blue.
Note The 300 W AC-input power supply requires single-phase source AC.
Source AC can be out of phase between multiple power supplies
because all AC power supply inputs are isolated.
Appendix A, "Power Supply Specifications"
Note
information on both of the power supplies.
If the redundant power supply is not installed, the empty power
Note
supply bay should be covered using the blank power supply cover
(p/n WS-X4994-F). The blank power supply cover is color-coded
blue.
Chapter 1 Product Overview
contains additional
contains additional
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