Cisco Systems Ws-C3850-24t-S, C3850NM210G, C3850NM41G User Manual

Catalyst 3850 Switch Hardware Installation Guide

September 2013

Cisco Systems, Inc.

www.cisco.com

Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco website at www.cisco.com/go/offices.

Text Part Number: OL-26779-02

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Catalyst 3850 Switch Hardware Installation Guide

Preface ix

Purpose ix

Document Conventions ix

Preface

This guide describes the hardware features of the Catalyst 3850 switches. It describes the physical and performance characteristics of each switch, explains how to install a switch, and provides troubleshooting information.

This guide does not describe system messages that you might receive or how to configure your switch. See the switch software configuration guide, the switch command reference, and the switch system message guide on

http://www.cisco.com/go/cat3850_docs

Document Conventions

This document uses the following conventions.

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this manual.

Caution Means reader be careful. In this situation, you might do something that could result in equipment

damage or loss of data.

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Catalyst 3850 Switch Hardware Installation Guide

Preface

Warning

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

SAVE THESE INSTRUCTIONS

The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Catalyst 3850 Switch that is available on Cisco.com. The EMC regulatory

statements are also included in that guide.

Statement 1071

Product Overview

The Catalyst 3850 series switches are Ethernet switches to which you can connect devices such as Cisco IP Phones, Cisco Wireless Access Points, workstations, and other network devices such as servers, routers, and other switches.

The Catalyst 3850 switches support stacking through Cisco StackWise-480 technology and power management through StackPower. The StackWise technology for the Catalyst 3850 switches is called StackWise-480.

Unless otherwise noted, the term switch refers to a standalone switch and to a switch stack.

• Switch Models, page 1-2

• Front Panel, page 1-4

• Rear Panel, page 1-17

• Management Options, page 1-23

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Catalyst 3850 Switch Hardware Installation Guide

1-1

Switch Models

Table 1-1 Catalyst 3850 Switch Models

Switch Model Cisco IOS Image Description

Catalyst 3850-24T-L LAN Base Stackable 24 10/100/1000 Ethernet ports,

Catalyst 3850-48T-L LAN Base Stackable 48 10/100/1000 Ethernet ports,

Catalyst 3850-24P-L LAN Base Stackable 24 10/100/1000 PoE+

Catalyst 3850-48P-L LAN Base Stackable 48 10/100/1000 PoE+ ports,

Catalyst 3850-48F-L LAN Base Stackable 48 10/100/1000 PoE+ ports,

Catalyst 3850-24U-L LAN Base Stackable 24 10/100/1000 Cisco Universal Power

Catalyst 3850-48U-L LAN Base Stackable 48 10/100/1000 Cisco UPOE ports,

Catalyst 3850-24T-S IP Base Stackable 24 10/100/1000 Ethernet ports,

Catalyst 3850-48T-S IP Base Stackable 48 10/100/1000 Ethernet ports,

Catalyst 3850-24P-S IP Base Stackable 24 10/100/1000 PoE+ ports,

Catalyst 3850-48P-S IP Base Stackable 48 10/100/1000 PoE+ ports,

Catalyst 3850-48F-S IP Base Stackable 48 10/100/1000 PoE+ ports,

Catalyst 3850-24U-S IP Base Stackable 24 10/100/1000 Cisco UPOE ports,

Catalyst 3850-48U-S IP Base Stackable 48 10/100/1000 Cisco UPOE ports,

Catalyst 3850-24T-E IP Services Stackable 24 10/100/1000 Ethernet ports,

Catalyst 3850-48T-E IP Services Stackable 48 10/100/1000 Ethernet ports,

Catalyst 3850-24P-E IP Services Stackable 24 10/100/1000 PoE+ ports,

Catalyst 3850-48P-E IP Services Stackable 48 10/100/1000 PoE+ ports,

Catalyst 3850-48F-E IP Services Stackable 48 10/100/1000 PoE+ ports,

Chapter 1 Product Overview

1 network module slot

1 network module

1 network module slot

1 network module

Over Ethernet (Cisco UPOE) ports, 1 network module slot

1 network module slot

1 network module

1 network module slot, 715-W power supply

1 network module

1 network module slot, 1100-W power supply

1 network module slot

1 network module

1 network module slot

1 network module

, 350-W power supply

slot1, 350-W power supply

, 715-W power supply

slot, 715-W power supply

slot, 1100-W power supply

, 1100-W power supply

, 350-W power supply

slot1, 350-W power supply

slot, 715-W power supply

slot, 1100-W power supply

, 1100-W power supply

, 350-W power supply

slot1, 350-W power supply

, 715-W power supply

slot, 715-W power supply

slot, 1100-W power supply

ports,

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Chapter 1 Product Overview

Table 1-1 Catalyst 3850 Switch Models (continued)

Switch Model Cisco IOS Image Description

Catalyst 3850-24PW-S IP Base Catalyst 3850 24-port PoE IP Base with 5 access

Catalyst 3850-48PW-S IP Base Catalyst 3850 48-port PoE IP Base with 5 access

Catalyst 3850-24U-E IP Services Stackable 24 10/100/1000 Cisco UPOE ports,

Catalyst 3850-48U-E IP Services Stackable 48 10/100/1000 Cisco UPOE ports,

1. For supported network modules, see Table 1-2 on page 1-8.

2. PoE+ = Power over Ethernet plus (provides up to 30 W per port).

Switch Models

points license

point license

1 network module

1 network module slot

slot, 1100-W power supply

, 1100-W power supply

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Catalyst 3850 Switch Hardware Installation Guide

1-3

Front Panel

ACTV

Front Panel

Chapter 1 Product Overview

This section describes the front panel components:

• 24 or 48 downlink ports of one of these types:

–

10/100/1000

–

10/100/1000 PoE+

–

10/100/1000 Cisco UPOE ports

• Uplink network modules slot

• USB Type A connector

• USB mini-Type B (console) port

• LEDs

• Mode button

All of the switches have similar components. See Figure 1-1 and Figure 1-2 for examples.

Note The Catalyst 3850 switches might have slight cosmetic differences on the bezels.

Figure 1-1 Catalyst 3850-48P-L Switch Front Panel

Catalyst 3850 48 PoE+

01X

12X

13X

24X

25X

36X

37X

48X

C3850-NM-4-1G

1 Mode button 4 USB mini-Type B (console) port

2 Status LEDs 5 10/100/1000 PoE+ Ethernet ports

3 USB Type A storage port 6 Network module

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Chapter 1 Product Overview

ACTV

Figure 1-2 Catalyst 3850-24P-L Switch Front Panel

Front Panel

1 Mode button 4 USB mini-Type B (console) port

2 Status LEDs 5 10/100/1000 PoE+ Ethernet ports

3 USB Type A storage port 6 Network module

10/100/1000 Ethernet Ports

The 10/100/1000 Ethernet ports use RJ-45 connectors with Ethernet pinouts. The maximum cable length is 328 feet (100 meters). The 100BASE-TX and 1000BASE-T traffic requires Category 5, Category 5e, or Category 6 unshielded twisted pair (UTP) cable. The 10BASE-T traffic can use Category 3 or Category 4 UTP cable.

For information about the 10/100/1000 Ethernet port connections and specifications, see the

“10/100/1000 Ethernet Port Connections” section on page 2-19 and Appendix B, “Connector and Cable Specifications.”

Catalyst 3850 PoE+

01X

13X

24X

C3850-NM-4-1G

344514

PoE, PoE+, and Cisco UPOE Ports

The PoE+ and Cisco Universal Power Over Ethernet (Cisco UPOE) ports use the same connectors as described in the “10/100/1000 Ethernet Ports” section on page 1-5.

They provide:

• PoE+ ports: Support for IEEE 802.3af-compliant powered devices (up to 15.4 W PoE per port) and

support for IEEE 802.3at-compliant powered devices (up to 30 W PoE+ per port). The maximum total PoE power in a 1RU switch is 1800 W.

• Cisco UPOE ports: Support for powered devices on all four Ethernet signal pairs (up to 60 W Cisco

UPOE per port).

• Support for Cisco-enhanced PoE.

• Support for prestandard Cisco powered devices.

• Configuration for StackPower. When the switch internal power supply module(s) cannot support the

total load, StackPower configurations allow the switch to leverage power available from other switches.

• Configurable support for Cisco intelligent power management, including enhanced power

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negotiation, power reservation, and per-port power policing.

Catalyst 3850 Switch Hardware Installation Guide

1-5

Front Panel

Depending on the installed power supply modules, each port can deliver up to 60 W of Cisco UPOE. See

Table 1-15 on page 1-19 for the power supply matrix that defines the available PoE, PoE+, and Cisco

UPOE power per port. The output of the PoE+ circuit has been evaluated as a Limited Power Source (LPS) per IEC 60950-1.

Note For information about power supply modules, PoE+ port connections, and PoE+ specifications, see the

“Power Supply Modules” section on page 1-18, the “PoE+ and Cisco UPOE Port Connections” section on page 2-20, and Appendix B, “Connector and Cable Specifications.”

Management Ports

• Ethernet management port (see the “Ethernet Management Port” section on page 1-23)

• RJ-45 console port (EIA/TIA-232) (see the “RJ-45 Console Port” section on page 1-23)

• USB mini-Type B console port (5-pin connector)

You can connect the switch to a host such as a Windows workstation or a terminal server through the Ethernet management port, the RJ-45 console port, or the USB console port (USB mini-Type B port).

The USB console port connection uses a USB Type A to 5-pin mini-Type B cable. The USB console interface speeds are the same as the RJ-45 console interface speeds.

Chapter 1 Product Overview

USB Mini-Type B Port

The switch provides a USB mini-Type B console connection on the front panel, and the RJ-45 console port on the switch rear panel. Console output is always active on both connectors, but console input is active on only one connector at a time, with the USB connector taking precedence over the RJ-45 connector.

Use a USB type-A-to-USB 5-pin mini-Type B cable to connect a PC or other device to the switch. The required USB cable is included in the optional accessory kit.

The connected device must include a terminal emulation application.

Windows PCs need a driver for the USB port. See the “Installing the Cisco Microsoft Windows USB

Device Driver” section on page C-4 for installation instructions.

When the switch detects a valid USB connection to a powered device, input from the RJ-45 console port is immediately disabled, and input from the USB console is enabled. Removing the USB connection immediately reenables input from the Ethernet connection. An LED on the switch front panel (see

Figure 1-4) is green when the USB console connection is enabled.

The switch provides a configurable inactivity timeout that reactivates the RJ-45 console if no input activity has occurred on the USB console for a specified time period. After the USB console has been deactivated due to a timeout, you can restore its operation by disconnecting and reconnecting the USB cable. You can disable USB console operation by using Cisco IOS commands. See the switch software configuration guide for details.

Note The 4-pin mini-Type B connectors resemble 5-pin mini-Type B connectors. They are not compatible.

Use only the 5-pin mini-Type B. See Figure 1-3.

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Chapter 1 Product Overview

Figure 1-3 USB Mini-Type B Port

You can use the command-line interface (CLI) to configure an inactivity timeout which reactivates the

RJ-45 console if the USB console has been activated and no input activity has occurred on the USB console for a specified time period.

After the USB console deactivates due to inactivity, you cannot use the CLI to reactivate it. Disconnect and reconnect the USB cable to reactivate the USB console. For information on using the CLI to configure the USB console interface, see the switch software guide.

USB Type A Port

The USB Type A interface provides access to external USB flash devices (also known as thumb drives or USB keys).

Front Panel

253163

The interface supports Cisco USB flash drives with capacities from 64 MB to 1 GB.

Cisco IOS software provides standard file system access to the flash device: read, write, erase, and copy, as well as the ability to format the flash device with a FAT file system.

For more information about the switch management ports, see the switch software configuration guide and the command reference on Cisco.com and the “Connector Specifications” section on page B-1.

Network Modules

The switch supports one hot-swappable network module that provides uplink ports to connect to other devices. The switch should only be operated with either a network module or a blank module installed.

The switch generates logs when you insert or remove a network module with SFP ports.

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Catalyst 3850 Switch Hardware Installation Guide

1-7

Front Panel

Chapter 1 Product Overview

Table 1-2 Network Modules

Network Module

Description

C3850-NM-4-1G This module has four 1-Gigabit SFP module slots. Any combination of

standard SFP modules are supported. SFP+ modules are not supported.

If you insert an SFP+ module in the 1-Gigabit network module, the SFP+ module does not operate, and the switch logs an error message.

See Figure 3-1 on page 3-2.

C3850-NM-2-10G This module has four slots that support the following combinations:

• Two slots (left side) support only 1-Gigabit SFP modules and two slots

(right side) support either 1-Gigabit SFP or 10-Gigabit SFP modules.

• Three slots (left side) support 1-Gigabit SFP modules and one slot (right

side) supports 10-Gigabit Ethernet SFP+.

Supported combinations of SFP and SFP+ modules:

• Slots 1, 2, 3, and 4 populated with 1-Gigabit SFP modules.

• Slots 1 and 2 populated with 1-Gigabit SFP modules and Slot 4 populated

with one 10-Gigabit SFP+ module.

• Slot 3 and Slot 4 each populated with 10-Gigabit SFP+ modules.

See Figure 3-2 on page 3-2.

C3850-NM-4-10G This module has four 10-Gigabit slots or four 1-Gigabit slots.

Note This is only supported on the 48-port models.

C3850-NM-BLANK This module has no uplink ports.

1. All network modules are hot-swappable.

For information about the network modules, see the “Installing a Network Module in the Switch” section

on page 2-19. For cable specifications, see Appendix B, “Connector and Cable Specifications.”

SFP and SFP+ Modules

The SFP and SFP+ modules provide copper or fiber-optic connections to other devices. These transceiver modules are field-replaceable, and they provide the uplink interfaces when installed in an SFP module slot. The SFP modules have LC connectors for fiber-optic connections or RJ-45 connectors for copper connections.

Use only Cisco SFP and SFP+ modules on the switch. For the latest information about supported SFP and SFP+ modules, refer to the Cisco Transceiver Modules Compatibility Information at:

http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html

For information about SFP modules, see the SFP module documentation and the “Installing SFP and

SFP+ Modules” section on page 3-9. For cable specifications, see Appendix B, “Connector and Cable Specifications.”

The Catalyst 3850 switch supports the SFP module patch cable (CAB-SFP-50CM), a 0.5-meter, copper, passive cable with SFP module connectors at each end. This cable is only used with 1-Gigabit Ethernet SFP ports to connect two Catalyst 3850 switches in a cascaded configuration.

See Figure 3-3 on page 3-3.

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Catalyst 3850 Switch Hardware Installation Guide

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Chapter 1 Product Overview

LEDs

Front Panel

You can use the switch LEDs to monitor switch activity and its performance. Figure 1-4 shows the switch LEDs and the Mode button that you use to select a port mode.

Figure 1-4 Switch Front Panel LEDs

01X

1 STAT (status) 6

CONSOLE (USB mini-Type B (console) port

344176

2 DUPLX (duplex) 7 SYST (system)

3 SPEED 8 ACTV (active)

4 STACK 9 XPS

5 PoE

1. The XPS 2200 is not supported in this release.

2. Only switches with PoE+ ports.

Note The Catalyst 3850 switches might have slight cosmetic differences on the bezels.

10 S-PWR (StackPower)

(Expandable power system)

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Catalyst 3850 Switch Hardware Installation Guide

1-9

Front Panel

SYST LED

Chapter 1 Product Overview

Table 1-3 SYST LED

Color System Status

Off System is not powered on.

Green System is operating normally.

Blinking Green Switch is running POST.

Blinking Amber There is a fault with one of the following:

• Network module (non-traffic-related)

• Power supply

• Fan module

Amber System is receiving power but is not functioning

properly.

For information on the SYST LED colors during POST, see the “Diagnosing Problems” section on

page 6-1.

XPS LED

Note The XPS 2200 is not supported in this release.

Ta b le 1 - 4 X P S L ED

Color XPS Status

Off XPS cable is not installed.

Switch is in StackPower mode.

Green XPS is connected and ready to provide back-up power.

Blinking green XPS is connected but is unavailable because it is providing power to another device

(redundancy has been allocated to a neighboring device).

Amber The XPS is in standby mode or in a fault condition. See the XPS 2200

documentation for information about the standby mode and fault conditions.

Blinking amber The power supply in a switch has failed, and the XPS is providing power to that

switch (redundancy has been allocated to this device).

For information about the XPS 2200, see the Cisco eXpandable Power System 2200 Hardware Installation Guide on Cisco.com:

http://www.cisco.com/go/xps2200_hw

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Chapter 1 Product Overview

Port LEDs and Modes

Each Ethernet port, 1-Gigabit Ethernet module slot, and 10-Gigabit Ethernet module slot has a port LED. These port LEDs, as a group or individually, display information about the switch and about the individual ports. The port mode determines the type of information shown by the port LEDs. Ta ble 1-5 lists the mode LEDs and their associated port modes and meanings.

To select or change a mode, press the Mode button until the desired mode is highlighted. When you change port modes, the meanings of the port LED colors also change. Ta ble 1-6 explains how to interpret the port LED colors in different port modes.

When you press the Mode button on any switch in the switch stack, all the stack switches change to show the same selected mode. For example, if you press the Mode button on the active switch to show the SPEED LED, all the other switches in the stack also show the SPEED LED.

Table 1-5 Port Mode LEDs

Mode LED Port Mode Description

STAT Port status The port status. This is the default mode.

SPEED Port speed The port operating speed: 10, 100, or 1000 Mb/s.

DUPLX Port duplex mode The port duplex mode: full duplex or half duplex.

ACTV Active The active switch status.

STACK Stack member status

Front Panel

The stack member status.

StackWise port status

The StackWise port status. See the “STACK LED” section on

page 1-14.

PoE

1. Only switches with PoE+ ports.

Table 1-6 Meaning of Switch LED Colors in Different Modes

PoE+ port power The PoE+ port status.

Port Mode Port LED Color Meaning

STAT (port status)

Off No link, or port was administratively shut down.

Green Link present, no activity.

Blinking green Activity. Port is sending or receiving data.

Alternating green-amber

Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault indication.

Amber Port is blocked by Spanning Tree Protocol (STP) and is not

forwarding data.

After a port is reconfigured, the port LED can be amber for up to 30 seconds as STP checks the switch for possible loops.

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Front Panel

Chapter 1 Product Overview

Table 1-6 Meaning of Switch LED Colors in Different Modes (continued)

Port Mode Port LED Color Meaning

SPEED

DUPLX (duplex)

ACTV (data active switch)

STACK (stack member)

10/100/1000/SFP ports

Off Port is operating at 10 Mb/s.

Green Port is operating at 100 Mb/s.

Single green

Port is operating at 1000 Mb/s. flash (on for 100 ms, off for 1900 ms)

Network module slots

Off Port is not operating.

Blinking green Port is operating at up to 10 Gb/s.

Off Port is operating in half duplex.

Green Port is operating in full duplex.

Off The switch is not the active switch.

Note For a standalone switch, this LED is off.

Green The switch is the active switch.

Amber Error during active switch election.

Blinking green Switch is a standby member of a data stack and assumes active

responsibilities if the current active switch fails.

Off No stack member corresponding to that member number.

Blinking green Stack member number.

Green Member numbers of other stack member switches.

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Chapter 1 Product Overview

Table 1-6 Meaning of Switch LED Colors in Different Modes (continued)

Port Mode Port LED Color Meaning

PoE+

Front Panel

Off PoE+ is off.

If the powered device is receiving power from an AC power source, the port LED is off even if the device is connected to the switch port.

Green PoE+ is on. The port LED is green when the switch port is providing

power.

Alternating green and

PoE+ is denied because providing power to the powered device will exceed the switch power capacity.

amber

Blinking amber PoE+ is off due to a fault or because it has exceeded a limit set in

the switch software.

Caution PoE+ faults occur when noncompliant cabling or

powered devices are connected to a PoE+ port. Use only standard-compliant cabling to connect Cisco prestandard IP Phones and wireless access points or IEEE 802.3af-compliant devices to PoE+ ports. You must remove from the network any cable or device that causes a PoE+ fault.

USB Console LED

S-PWR LED

Amber PoE+ for the port has been disabled.

Note PoE+ is enabled by default.

1. Only switches with PoE or PoE+ ports.

The USB console LED (Figure 1-4) shows whether there is an active USB connection to the port.

Table 1-7 USB Console Port LED

Color Description

Off USB console is disabled.

Green USB console is enabled.

Table 1-8 S-PWR LED

Color Description

Off StackPower cable is not connected, or the switch is in standalone

mode.

Green Each StackPower port is connected to another switch.

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Front Panel

ACTV LED

Chapter 1 Product Overview

Table 1-8 S-PWR LED

Color Description

Blinking Green This appears on the switch in a StackPower ring configuration

that detects an open ring or has only one StackPower cable connected.

Amber There is a fault: load shedding is occurring, a StackPower cable

is defective, or administrative action is required. See the switch software configuration guide for information about configuring StackPower.

Blinking Amber The StackPower budget is not sufficient to meet current power

demands.

Ta b le 1 - 9 A C TV LE D

Color Description

Off Switch is not the active switch.

Green Switch is the active switch or a standalone switch.

Amber An error occurred when the switch was selecting the active

switch, or another type of stack error occurred.

Slow blinking green Switch is in stack standby mode.

STACK LED

The STACK LED shows the sequence of member switches in a stack. Up to four switches can be members of a stack. The first four port LEDs show the member number of a switch in a stack. Figure 1-5 shows the LEDs on the first switch, which is stack member number 1. For example, if you press the Mode button and select Stack, the LED for port 1 blinks green. The LEDs for ports 2 and 3 are solid green, as these represent the member numbers of other switches in the stack. The other port LEDs are off because there are no more members in the stack.

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Catalyst 3850 Switch Hardware Installation Guide

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Chapter 1 Product Overview

01X

ACTV

Figure 1-5 STACK LED

Front Panel

PoE LED

01X

12X

13X

12X

13X

12X

13X

24X

25X

24X

25X

24X

25X

36X

37X

36X

37X

Catalyst 3850 48 PoE+

48X

C3850-NM-4-1G

1 Stack member 1 4 LED blinks green to show that this is switch 1 in the stack.

2 Stack member 2 5 LED is solid green to show that switch 2 is a stack member.

3 Stack member 3 6 LED is solid green to show that switch 3 is a stack member.

When you select the STACK LED mode, the representative STACK LEDs are green when the StackWise ports are up, and the representative STACK LEDs are amber when the ports are down.

The PoE LED indicates the status of the PoE mode: either PoE, PoE+, or Cisco UPOE.

Table 1-10 PoE LED Status

344178

Color Status of PoE mode (PoE, PoE+, or Cisco UPOE)

Off PoE mode is not selected. None of the 10/100/1000 ports have been denied power

or are in a fault condition.

Green PoE mode is selected, and the port LEDs show the PoE mode status.

Blinking amber PoE mode is not selected. At least one of the 10/100/1000 ports has been denied

power, or at least one of the 10/100/1000 ports has a PoE mode fault.

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Front Panel

344177

C3850-NM-4-1G

Catalyst 3850 48 PoE+

Network Module LEDs

Figure 1-6 Network Module LEDs

Chapter 1 Product Overview

1 G1 LED 3 G3 LED

2 G2 LED 4 G4 LED

Table 1-11 Network Module LEDs

Color Network Module Link Status

Off Link is off.

Green Link is on; no activity.

Blinking green Activity on a link; no faults.

Note The LED will blink green even when there is very little

control traffic.

Blinking amber Link is off due to a fault or because it has exceeded a limit set in the

switch software.

Caution Link faults occur when noncompliant cabling is

connected to an SFP or SFP+ port. Use only standard-compliant cabling to connect to Cisco SFP and SFP+ ports. You must remove from the network any cable or device that causes a link fault.

Amber Link for the SFP or SFP+ has been disabled.

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Chapter 1 Product Overview

CONSOLE

MGMT

344179

105

1196 6 7

109

PWR-C1-715WAC

Rear Panel

The switch rear panel includes StackWise connectors, StackPower connectors, ports, fan modules, and power supply modules. See Figure 1-7.

Figure 1-7 Catalyst 3850 Switch Rear Panel

1 Ground connector 7 StackPower connector

2 CONSOLE (RJ-45 console port) 8 StackPower connector

3 MGMT (RJ-45 10/100/1000 management

9 AC OK (input) status LED

port)

4 RESET button 10 PS OK (output) status LED

5 Fan module 11 Power supply modules (AC power supply

modules shown)

6 StackWise port connector

RJ-45 Console Port LED

Table 1-12 RJ-45 Console Port LED

Color RJ-45 Console Port Status

Off RJ-45 console is disabled. USB console is active.

Green RJ-45 console is enabled. USB console is disabled.

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Rear Panel

StackWise Ports

StackWise ports are used to connect switches in StackWise stacking configurations. The Catalyst 3850 switch ships with a 0.5-meter StackWise cable that you can use to connect the StackWise ports. For more information on StackWise cables, see StackWise Cables, page B-5.

Caution Use only approved cables, and connect only to similar Cisco equipment. Equipment might be damaged

if connected to nonapproved Cisco cables or equipment.

Power Supply Modules

The 24- and 48-port switches are powered through one or two internal power supply modules.

Supported power supply modules:

• PWR-C1-350WAC

• PWR-C1-715WAC

Chapter 1 Product Overview

• PWR-C1-1100WAC

• PWR-C1-440WDC

The switch has two internal power supply module slots. You can use two AC modules, two DC modules, a mixed configuration of one AC and one DC power supply module, or one power supply module and a blank module.

The switch can operate with either one or two active power supply modules or with power supplied by a stack. A Catalyst 3850 switch that is in a StackPower stack can operate with power supplied by other switches in the stack.

Table 1-1 show the default power supply modules that ship with each switch model. All power supply

modules (except the blank modules) have internal fans. All switches ship with a blank power supply module in the second power supply slot.

Caution Do not operate the switch with one power supply module slot empty. For proper chassis cooling, both

power supply module slots must be populated with either a power supply or a blank module.

The 350-W and 715-W AC power supply modules are autoranging units that support input voltages between 100 and 240 VAC. The 1100-W power supply module is an autoranging unit that supports input voltages between 115 and 240 VAC. The 440-W DC power supply module has dual input feeds (A and B) and supports input voltages between 36 and 72 VDC. The output voltage range is 51–57 V.

Each AC power supply module has a power cord for connection to an AC power outlet. The 1100-W and 715-W modules use a 16-AWG cord (only North America). All other modules use an 18-AWG cord. The DC-power supply module must be wired to a DC-power source.

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Table 1-1 3 , Tabl e 1 -14, and Tab l e 1 - 15 shows the PoE available and PoE requirements for Catalyst 3850

switches.

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Table 1-13 Available PoE with AC Power Supply

Models Default Power Supply Available PoE

24-port data switch PWR-C1-350WAC —

48-port data switch

24-port PoE switch PWR-C1-715WAC 435 W

48-port PoE+ switch

48-port full PoE+ switch PWR-C1-1100WAC 800 W

24-port Cisco UPOE switch

48-port Cisco UPOE switch

Table 1-14 Available PoE with DC Power Supply

Rear Panel

PWR-C1-1100WAC 800 W

Number of Power

Models

Supplies Available PoE

24-port PoE+ switch 1 220 W

2660 W

48-port PoE+ switch 1 185 W

2625 W

24-port Cisco UPOE switch

48-port Cisco UPOE switch

Table 1-15 Switch Power Supply Requirements for PoE, PoE+, and Cisco UPOE

PoE Option 24-Port Switch 48-Port Switch

PoE (up to 15.4 per port)

1220 W

2660 W

1185 W

2625 W

(1) 715-W These are the combinations of power

supplies:

• (1) 1100-W

• (1) 715-W + (1) 715-W

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Rear Panel

Chapter 1 Product Overview

Table 1-15 Switch Power Supply Requirements for PoE, PoE+, and Cisco UPOE (continued)

PoE Option 24-Port Switch 48-Port Switch

PoE+ (up to 30 W per ports

Cisco UPOE (up to 60 W per port)

These are the combinations of power supplies:

• (1) 1100-W

• (1) 715-W 715-W

(2) 1100-W These are the combinations of power

These are the combinations of power supplies:

• (1) 1100-W + (1) 715-W

• (2) 1100-W

supplies:

(1) 1100-W + (1) 715-W

(2) 1100-W

Note Up to 30 PoE ports can receive

full Cisco UPOE.

1. A 48-port switch with one 715-W power supply provides up to 8.7 W of PoE to all ports.

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Catalyst 3850 Switch Hardware Installation Guide

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+ 84 hidden pages

Cisco Systems Ws-C3850-24t-S, C3850NM210G, C3850NM41G User Manual

Catalyst 3850 Switch Hardware Installation Guide

CONTENTS

Preface

Product Overview

Switch Models

Front Panel

10/100/1000 Ethernet Ports

PoE, PoE+, and Cisco UPOE Ports

Management Ports

USB Mini-Type B Port

USB Type A Port

Network Modules

SFP and SFP+ Modules

LEDs

SYST LED

XPS LED

Port LEDs and Modes

USB Console LED

S-PWR LED

ACTV LED

STACK LED

PoE LED

Network Module LEDs

Rear Panel

RJ-45 Console Port LED

StackWise Ports

Power Supply Modules