Chapter 2 Installation
Connecting to DC Power
2-20
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-02
If you are using an RPS, refer to the Cisco RPS 300 Redundant Power System
Hardware Installation Guide for installation instructions.
Warning
Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the RPS
receptacle.
For POST information, see the “Running POST” section on page 2-29.
Connecting to DC Power
To connect the Catalyst 2950G-24-EI-DC switch to a DC-input power source,
follow these steps:
• Preparing for installation
• Grounding the switch
• Wiring the DC-input power source
Warning
The customer 48 volt power system must provide reinforced insulation
between the primary AC power and the 48 VDC output.
Warning
The Catalyst 2950G-24-EI-DC switch is intended for Local Area Network
(LAN) connections only. This unit is not certified for use in Public Telephone
Networks.
Warning
The Catalyst 2950G-24-EI-DC contains no field-replaceable units (FRUs). Do
not open the chassis or attempt to remove or replace any components. For
information about obtaining service for this unit, contact your reseller or
Cisco sales representative.
Warning
The equipment is to be connected to a UL Listed, limited power source.
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