Cisco Catalyst 3850 User Manual

Catalyst 3850 Switch Hardware Installation Guide
First Published: 2013-01-21
Last Modified: 2015-09-22
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Text Part Number: OL-26779-05

Cisco Catalyst 3850 Specifications

General

Stacking Bandwidth	480 Gbps
Max Stacking Units	9
Form Factor	Rack-mountable
RAM	4 GB
Flash Memory	4 GB
Operating System	Cisco IOS XE
Model	Catalyst 3850
Ports	24 or 48 Gigabit Ethernet ports
Uplink Interfaces	4 x 1GE, 2 x 10GE, or 4 x 10GE
Power Supply	Redundant power supplies
Dimensions	44.5 x 44.8 x 4.45 cm
Weight	7.6 kg
Features	IPv6
Power over Ethernet (PoE)	PoE, PoE+, UPOE (varies by model)
Operating Temperature	0 to 40°C

Summary

Preface

Document Conventions

Explains document conventions and symbols used throughout the manual.

Related Documentation

Lists other Cisco documentation relevant to the Catalyst 3850.

Obtaining Documentation and Submitting a Service Request

Provides information on how to get Cisco documentation and request service.

CHAPTER 1 Product Overview

Switch Models

Details various Catalyst 3850 switch models and their specifications.

Front Panel

Describes the components and indicators located on the front panel of the switch.

Rear Panel

Details the connectors, ports, and modules found on the rear panel of the switch.

Management Options

Outlines the different methods available for managing the switch.

Network Modules

Explains the different types of network modules supported by the switch.

SFP and SFP+ Modules

Describes SFP and SFP+ modules used for fiber-optic and copper connections.

LEDs

Explains the function and meaning of the various LEDs on the switch.

SYST LED

Details the System LED status and its meaning.

XPS LED

Explains the status and meaning of the XPS LED.

Port LEDs and Modes

Describes the port LEDs and how to change port modes.

USB Console LED

Explains the USB console port LED status.

S-PWR LED

Details the StackPower LED status.

ACTV LED

Describes the Active LED status for switches in a stack.

STACK LED

Explains the Stack LED status indicating switch member sequence.

PoE LED

Describes the PoE LED status indicating power over Ethernet mode.

UID/Beacon LED

Explains the UID/Beacon LED for switch identification.

Network Module LEDs

Details the LEDs associated with network modules.

RJ-45 Console Port LED

Explains the LED status for the RJ-45 console port.

StackWise Ports

Describes the StackWise ports used for switch stacking.

Power Supply Modules

Details the different power supply modules supported by the switch.

Fan Module

Describes the fan modules and their role in cooling.

StackPower Connector

Explains the StackPower connector for power stacking.

Ethernet Management Port

Describes the dedicated Ethernet management port.

CHAPTER 2 Switch Installation

Preparing for Installation

Details prerequisites and initial steps before installing the switch.

Safety Warnings

Provides critical safety warnings for switch installation.

Installation Guidelines

Lists guidelines for proper switch installation to ensure optimal performance and safety.

Box Contents

Lists the items included in the switch packaging.

Tools and Equipment

Specifies the tools and equipment needed for switch installation.

Verifying Switch Operation

Describes how to verify the switch's operation after installation.

Powering Off the Switch

Explains the procedure for powering down the switch.

Planning a Switch Data Stack

Details how to plan a data stack for switch interconnectivity.

Switch Stacking and Power Stacking Guidelines

Provides guidelines for setting up switch stacks and power stacks.

Data Stack Cabling Configurations

Illustrates recommended cabling configurations for data stacks.

Data Stack Bandwidth and Partitioning Examples

Shows examples of data stack bandwidth and partitioning scenarios.

Power-On Sequence for Switch Stacks

Describes the correct sequence for powering on switches in a stack.

Planning a StackPower Stack

Covers planning for a StackPower stack configuration.

StackPower Stacking Guidelines

Provides guidelines for implementing StackPower stacking.

StackPower Cabling Configurations

Details recommended cabling configurations for StackPower stacks.

StackPower Partitioning Examples

Illustrates examples of StackPower stacks with failover conditions.

Installing the Switch

Covers the physical installation of the switch.

Rack-Mounting

Details the procedure for mounting the switch in a rack.

Attaching the Rack-Mount Brackets

Explains how to attach the necessary brackets for rack mounting.

Mounting the Switch a Rack

Describes the process of physically securing the switch in a rack.

Installing the Switch on a Table or Shelf

Provides instructions for installing the switch on a flat surface.

After Switch Installation

Outlines tasks to perform after the physical installation is complete.

Connecting to the StackWise Ports

Details how to connect switches using StackWise ports.

Connecting to the StackPower Ports

Explains how to connect switches for StackPower functionality.

Installing a Network Module in the Switch

Covers the installation of network modules into the switch.

Installing and Removing SFP, SFP+ and QSFP+ Modules

Describes the installation and removal of SFP, SFP+, and QSFP+ modules.

Connecting Devices to the Ethernet Ports

Explains how to connect devices to the switch's Ethernet ports.

10/100/1000 Port Connections

Details how to connect devices to 10/100/1000 Ethernet ports.

Auto-MDIX Connections

Explains automatic medium-dependent interface crossover functionality.

PoE+ and Cisco UPOE Port Connections

Describes connections for PoE+ and Cisco UPOE ports.

Where to Go Next

Guides users on the next steps after initial setup.

CHAPTER 3 Installing a Network Module

Network Module Overview

Provides an overview of the available network modules.

Installing a Network Module in the Switch

Details the procedure for installing a network module.

Removing a Network Module

Explains how to remove a network module from the switch.

Installing SFP and SFP+ Modules

Covers the installation of SFP and SFP+ modules.

Removing SFP and SFP+ Modules

Explains how to remove SFP and SFP+ modules.

Finding the Network Module Serial Number

Guides users on locating the serial number of a network module.

Network Module Port Configurations

Details the port configurations for different network modules.

Safety Warnings

Provides safety warnings specific to installing network modules.

Equipment That You Need

Lists the tools and equipment required for installing network modules.

Installing Network Modules

Details the procedure for installing network modules.

C3850-NM-4-1G Module

Details the C3850-NM-4-1G network module and its ports.

C3850-NM-4-10G Module

Details the C3850-NM-4-10G network module and its ports.

C3850-NM-2-10G Module

Details the C3850-NM-2-10G network module and its ports.

C3850-NM-8-10G Module

Details the C3850-NM-8-10G network module and its ports.

C3850-NM-2-40G Module

Details the C3850-NM-2-40G network module and its ports.

CHAPTER 4 Power Supply Installation

Power Supply Module Overview

Provides an overview of the supported power supply modules.

Installation Guidelines

Lists guidelines for installing or removing power supply modules.

Installing or Replacing an AC Power Supply

Details the procedure for installing or replacing AC power supplies.

Installing a DC Power Supply

Covers the procedure for installing DC power supplies.

Equipment That You Need

Lists necessary tools and equipment for power supply installation.

Grounding the Switch

Describes the grounding procedure for the switch.

Wiring the DC Input Power Source

Explains how to connect the DC input power source.

Finding the Power Supply Module Serial Number

Guides users on locating the serial number of a power supply module.

CHAPTER 5 Installing the Fan

Fan Module Overview

Provides an overview of the fan modules.

Installation Guidelines

Lists guidelines for installing or removing fan modules.

Installing a Fan Module

Details the procedure for installing a fan module.

Finding the Fan Module Serial Number

Guides users on locating the serial number of a fan module.

CHAPTER 6 Configuring the Switch

Configuring the Switch Using the Web User Interface

Explains how to configure the switch via its web interface.

Configuring the Switch Using the CLI

Details how to configure the switch using the command-line interface.

Setting up the Switch

Describes the initial setup process for the switch.

Connecting to the Switch

Guides on how to establish a connection to the switch for configuration.

Creating User Accounts

Explains how to create user accounts for switch access.

Choosing Setup Options

Outlines options for configuring the switch during initial setup.

Configuring Basic Device Settings

Details how to configure fundamental device settings.

Configuring Your Device Based on a Site Profile

Explains how to configure the device using site-specific profiles.

Configuring Switch Wide Settings

Covers configuration settings that apply globally to the switch.

Configuring VLAN Settings

Details how to configure Virtual Local Area Networks (VLANs).

Configure STP Settings

Explains how to configure Spanning Tree Protocol (STP) settings.

Configuring DHCP, NTP, DNS and SNMP Settings

Covers configuration for network services like DHCP, NTP, DNS, and SNMP.

Configuring Port Settings

Details how to configure individual switch ports.

Accessing the CLI Through the Console Port

Explains how to access the CLI via the console port.

Connecting the RJ-45 Console Port

Details how to connect to the switch using the RJ-45 console port.

Connecting the USB Console Port

Explains how to connect to the switch using the USB console port.

Installing the Cisco Microsoft Windows USB Device Driver

Guides on installing the necessary USB driver for Windows.

Installing the Cisco Microsoft Windows XP USB Driver

Details the installation of the USB driver for Windows XP.

Installing the Cisco Microsoft Windows 2000 USB Driver

Details the installation of the USB driver for Windows 2000.

Installing the Cisco Microsoft Windows Vista and Windows 7 USB Driver

Details the installation of the USB driver for Windows Vista and 7.

Uninstalling the Cisco Microsoft Windows USB Driver

Guides on uninstalling the USB driver.

Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver

Details uninstalling USB drivers for XP and 2000.

CHAPTER 7 Troubleshooting

Diagnosing Problems

Offers methods for diagnosing switch problems using LEDs and other tools.

Switch POST Results

Explains how to interpret POST results.

Switch LEDs

Describes the switch LEDs and their troubleshooting significance.

Switch Connections

Addresses issues related to switch physical connections.

Bad or Damaged Cable

Provides guidance on identifying and resolving issues with cables.

Ethernet and Fiber-Optic Cables

Discusses common issues with Ethernet and fiber-optic cables.

Link Status

Guides on verifying link status for troubleshooting.

10/100/1000 Port Connections

Addresses troubleshooting for 10/100/1000 port issues.

10/100/1000 PoE+ Port Connections

Troubleshoots issues related to PoE+ port power delivery.

SFP and SFP+ Module

Discusses troubleshooting SFP and SFP+ module issues.

Interface Settings

Guides on troubleshooting interface configuration problems.

Ping End Device

Explains how to use ping for connectivity troubleshooting.

Spanning Tree Loops

Addresses troubleshooting Spanning Tree Protocol (STP) loops.

Switch Performance

Discusses troubleshooting switch performance issues.

Speed, Duplex, and Autonegotiation

Addresses troubleshooting speed, duplex, and autonegotiation mismatches.

Autonegotiation and Network Interface Cards

Discusses troubleshooting autonegotiation issues with NICs.

Cabling Distance

Guides on checking cable distances for performance issues.

Clearing the Switch IP Address and Configuration

Explains how to reset the switch IP and configuration to defaults.

Replacing a Failed Data Stack Member

Details the process for replacing a failed switch in a data stack.

APPENDIX A Technical Specifications

Environmental and Physical Specifications

Lists environmental and physical specifications for the switch.

Specifications for the Power Supplies, Switches, and Fan

Provides detailed specifications for power supplies, switches, and fans.

Environmental Ranges

Lists the operating and storage environmental ranges.

Physical Specifications

Details the physical dimensions and weight of the switch.

Weight

Lists the weight specifications for various switch models and power supplies.

Power Requirements

Details the power requirements and output for AC power supplies.

Input current

Lists the input current specifications for power supplies.

Output ratings

Lists the output ratings for power supplies.

Voltage range domestic

Specifies domestic voltage ranges for DC power supplies.

Voltage range international

Specifies international voltage ranges for DC power supplies.

Wire gauge for ground connection

Specifies wire gauge requirements for grounding.

APPENDIX B Connector and Cable Specifications

Connector Specifications

Details the specifications for various switch connectors.

10/100/1000 Ports (Including PoE)

Describes the connectors for 10/100/1000 ports.

SFP Module Connectors

Details the connectors used for SFP modules.

Console Port

Describes the switch's console ports (USB and RJ-45).

Cables and Adapters

Lists cables and adapters used with the switch.

StackWise Cables

Provides specifications for StackWise cables.

SFP Module Cables

Refers to specifications for SFP module cables.

Cisco QSFP to SFP or SFP+ Adapter

Describes the Cisco QSFP to SFP/SFP+ adapter.

Cable Pinouts

Shows pinout diagrams for various cables.

Console Port Adapter Pinouts

Provides pinout diagrams for console port adapters.