Cisco Systems 3750-E, 3560-E manual Preparing for Installation, Grounding the Switch

Page 65

Chapter 3 Power Supply and Fan Module Installation

Installing a DC-Power Supply

Warning This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 15 A. Statement 1005

Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement 1022

Note The grounding architecture of this product is DC-isolated (DC-I)

Preparing for Installation

Obtain these necessary tools and equipment:

•Ratcheting torque screwdriver with a number-2 and a number-1 Phillips head that exerts up to 15 pound-force inches (lbf-in.) or 240 ounce-force inches (ozf-in.) of pressure.

•Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920, CT-920CH, CT-930, or CT-940CH).

•Wire-stripping tools.

•12-gauge copper ground wire (insulated or noninsulated) when using the single-ground connection.

•6-gauge copper ground wire (insulated or noninsulated) when using the dual-ground connection.

•Ground lug screw and lug ring in the switch accessory kit. For a dual-ground connection on 24- and 48-port switches, also use the dual-ground adaptor and dual-hole lug from the DC power supply accessory kit.

•Four leads of 16-gauge copper wire.

•Four round eyelet terminals or four fork-type terminals from the DC power supply accessory kit.

Grounding the Switch

To make sure that the equipment is reliably connected to earth ground, follow the grounding procedure instructions and observe these warnings:

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024

Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide

 

OL-9774-03

3-5

 

 

 

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Contents Text Part Number OL-9774-03 Americas HeadquartersPage N T E N T S Connecting Devices to the Ethernet Ports Wiring the DC-Input Power Source Accessing the CLI Through the Console Port C-1 Conventions AudiencePurpose Viii Related PublicationsPreface OL-9774-03 Part Number Description Switch ModelsFront Panel Description Switch Part Number Description24- and 48-Port Switch Front Panel PoE Ports 10/100/1000 Ethernet PortsCisco TwinGig Converter Module Gigabit Ethernet Module SlotsSFP Modules LEDs 24- and 48-Port Switch LEDsColor System Status System LEDMaster LED Power Supply LEDsColor RPS Status ColorPort LEDs and Modes Mode LED Port Mode DescriptionFan LED Port Mode Port LED Color Meaning Color PoE Status PoE LEDStack LED Stack LEDRear Panel Description 24- and 48-Port Switch Rear PanelStackWise Ports Catalyst 3560E-12D Switch Rear Panel48-Port Switch Power-Supply Modules Power-Supply ModulesSwitch Port PoE Port non-PoE Port Non-PoEDC-Power-Supply Module LEDs Description AC-Power-Supply Module LEDsModule LEDs Description Fan ModulesManagement Ports RPS ConnectorManagement Options Network Configurations Safety Warnings Preparing for InstallationOL-9774-03 Switch Installation Preparing for Installation Statement 371-Power Cable and AC Adapter Tools and Equipment Installation GuidelinesBox Contents Switch Stacking Guidelines Planning a Switch Stack Catalyst 3750-E SwitchesStack Cabling Configurations Example of a Stack with Full Bandwidth Connections Stack Bandwidth and Partitioning ExamplesExample of a Stack with a Failover Condition Power On Sequence for Switch StacksRack-Mounting Installing the SwitchRack-Mounting Brackets Attaching the Rack-Mount Brackets 10 Removing Screws from the Switch11 Attaching Brackets for 19-inch Racks Mounting the Switch in a Rack Mounting the Switch in a RackWall-Mounting Attaching the Brackets to the Switch for Wall-MountingMounting the Catalyst 3560E-12D Switch on a Wall Mounting the Catalyst 3560E-12SD Switch on a Wall Table- or Shelf-Mounting After Installing the SwitchConnecting to the StackWise Ports Catalyst 3750-E Switches Installing X2 Transceiver Modules and Converter Modules Installing Devices in the 10-Gigabit Ethernet SlotsModule inserted face up Module inserted face down 202046 Removing an X2 Transceiver Module or Converter Module Installing SFP ModulesInstalling an SFP Module Lower SFP modules are inverted on 24- and 48-port switches Removing an SFP Module Connecting Devices to the Ethernet PortsDevice Crossover Cable 10/100/1000 Ethernet Port ConnectionsPoE Port Connections Switch Installation Connecting Devices to the Ethernet Ports Where to Go Next OL-9774-03 Installation Overview Power Supply and Fan Module Installation OL-9774-03 Inserting the AC-Power Supply in 24- and 48-Port Switches Installing an AC-Power SupplyAC-Power Supply with Power Cord Retainer Installing a DC-Power SupplyGrounding the Switch Preparing for InstallationStripping the Ground Wire See -9for the Catalyst 3560E-12SD ground location Inserting the DC-Power Supply in 24- and 48-Port Switches Installing the DC Power Supply in the SwitchWiring the DC-Input Power Source 12 Inserting the Fan Module in 24- and 48-Port Switches Installing a Fan Module202049 OL-9774-03 Check Switch Post Results Diagnosing ProblemsCheck Switch Connections Check Switch LEDsBad or Damaged Cable Ethernet and Fiber CablesPoE Connections Transceiver IssuesPort and Interface Settings Ping End Device Check Switch PerformanceSpanning Tree Loops Speed, Duplex, and AutonegotiationCabling Distance How to Clear the Switch IP Address and ConfigurationAutonegotiation and NIC Cards How to Replace a Failed Stack Member Finding the Switch Serial NumberTroubleshooting How to Replace a Failed Stack Member OL-9774-03 Environmental Ranges Physical SpecificationsPower Specifications Table A-5 OL-9774-03 Connector Specifications Connector and Cable SpecificationsGigabit Ethernet Module Interfaces 10/100/1000 PortsFigure B-4 Duplex LC Cable Connector Console Port 10/100 Ethernet Management PortGigabit Ethernet X2 Transceiver Module Cable Specifications Cable and Adapter SpecificationsModal X2 Product Wavelength Core Size Bandwidth Number Microns MHz/kmX2 Product Transmit Power Receive Power Number SFP Module Cable SpecificationsTransmit DBm Wavelength nm652 43.4 to 62 miles 1530 To 100 km 1570 1610 Four Twisted-Pair Cable PinoutsTwo Twisted-Pair Cable Pinouts Two Twisted-Pair Crossover Cable SchematicIdentifying a Crossover Cable Switch Console RJ-45-to-DB-9 Port DTEConsole Port Adapter Pinouts DeviceSwitch Console RJ-45-to-DB-25 Port DTE Accessing the CLI Through the Console Port Accessing the CLIAccessing the CLI Through Express Setup Connecting to the Console Port Entering the Initial Configuration InformationIP Settings Completing the Setup Program Line vty 0 These choices appear OL-9774-03 Numerics IN-2 IN-3 IN-4 IN-5 IN-6
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