Cisco Systems CATALYST 2950 manual Connecting to DC Power, Ground the Switch

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6Connecting to DC Power

To connect the Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997 switch to a DC-input power source, follow the steps in this section.

Equipment That You Supply

You need to supply these tools and equipment:

Ratcheting Phillips-head torque screwdriver

Panduit crimping tool

6-gauge copper ground wire

Four leads of 18-gauge copper wire

Wire stripping tool

Ground the Switch

Follow these steps:

Step 1 Remove the ground lug and the two number-10-32 screws from the switch (on the rear panel of the Catalyst 2950G-24-EI-DC switch and on the front panel of the Catalyst 2950ST-24 LRE 997 switch).

Step 2 If your 6-gauge ground wire is insulated, strip it to 0.5 inch (12.7 mm).

0.5 inch (12.7 mm)

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Contents Catalyst 2950 Switch Getting Started Guide About this Guide Equipment That You Supply to Run Express SetupTaking Out What You Need Shipping Box Contents Running Express Setup DHCP-enabled PC Page Using the Device Manager Managing the SwitchRefreshing the PC IP Address Downloading Cisco Network Assistant Command-Line InterfaceOther Management Options Equipment That You Supply Rack-MountingBefore You Begin Installation Warning Statements Connector cover on the back of the switch. Statement Attaching the Brackets Front-mounting positionRack-Mount the Switch Connect to the Switch Ports Connect to 10/100 and 10/100/1000 PortsInstall SFP and Gbic Modules and Connect to the Ports Connecting to DC Power Ground the SwitchWiring the DC Input Power Source Return Feed a Negative Negative Feed B Troubleshooting Express Setup Case of DifficultyResetting the Switch Accessing Help OnlineObtaining Documentation For More InformationOrdering Documentation Cisco.comDocumentation Feedback Obtaining Technical Assistance Submitting a Service RequestCisco Technical Support Website Definitions of Service Request Severity Obtaining Additional Publications and InformationCisco Limited Lifetime Hardware Warranty Terms Duration of Hardware Warranty Page USA