1-6
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Chapter 1 Product Overview
Features
Power supplies
Catalyst 4948E
• 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).
Note The power supplies are not interchangeable between the
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.
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.
Note Appendix A, “Power Supply Specifications” contains additional
information on both of the power supplies.
Note If the redundant power supply is not installed, the empty power
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.
Catalyst 4948E-F • 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.
Note Appendix A, “Power Supply Specifications” contains additional
information on both of the power supplies.
Note If the redundant power supply is not installed, the empty power
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.
Table 1-1 Catalyst 4948E and Catalyst 4948E-F Switch Features (continued)
Feature Description