Cisco Catalyst 9200 User Manual
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
First Published: 2018-11-19
Last Modified: 2019-02-06
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CONTENTS
CHAPTER 1
Product Overview 1
Switch Models 1
Front Panel Components 2
10/100/1000 Ports 3
PoE and PoE+ Ports 4
Management Ports 4
USB Type A Port 5
Uplink Ports 5
Rear Panel 6
RFID Tag 8
StackWise Ports 8
Power Supply Modules 8
Fan Modules 9
Ethernet Management Port 10
RJ-45 Console Port 10
Network Configurations 11
CHAPTER 2
Installing the Switch 13
Preparing for Installation 13
Safety Warnings 13
Installation Guidelines 15
Shipping Box Contents 15
Tools and Equipment 16
Verifying Switch Operation 17
Planning a Switch Data Stack 17
Switch Stacking Guidelines 17
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Contents
Data Stack Cabling Configurations 17
Data Stack Bandwidth and Partitioning Examples 18
Power-On Sequence for Switch Stacks 20
Installing the Switch 21
Rack-Mounting 21
Attaching the Rack-Mount Brackets 22
Mounting the Switch a Rack 24
Installing the Switch on a Table or Shelf 24
After Switch Installation 25
Connecting to the StackWise Ports 25
Connecting Devices to the Ethernet Ports 27
10/100/1000 Port Connections 27
Auto-MDIX Connections 27
CHAPTER 3
CHAPTER 4
Auto-MDIX Connections 27
PoE and POE+ Port Connections 28
Installing a Network Module 31
Installing a Network Module in the Switch 31
Safety Warnings 31
Equipment That You Need 31
Installing a Network Module 32
Removing a Network Module 34
Finding the Network Module Serial Number 34
Installing and Removing SFP Modules 35
Installing SFP/SFP+ Modules 35
Removing SFP/SFP+ Modules 37
Installing a Power Supply Unit 39
Power Supply Modules Overview 39
CHAPTER 5
iv
Finding the Power Supply Module Serial Number 41
Installation Guidelines 42
Installing or Replacing an AC Power Supply Module 43
Installing a Fan Module 47
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
Fan Modules Overview 47
Installation Guidelines 48
Installing a Fan Module 48
Finding the Fan Module Serial Number 49
Contents
CHAPTER 6
Configuring the Switch 51
Configuring the Switch Using the Web User Interface 51
Setting up the Switch 51
Connecting to the Switch 51
Creating User Accounts 52
Choosing Setup Options 53
Configuring Basic Device Settings 53
Configuring Your Device Based on a Site Profile 54
Configuring Switch Wide Settings 59
Configuring VLAN Settings 59
Configure STP Settings 60
Configuring DHCP, NTP, DNS and SNMP Settings 60
Configuring Port Settings 61
Configuring the Switch Using the CLI 62
Accessing the CLI Through the Console Port 62
Connecting the RJ-45 Console Port 63
APPENDIX A
Connecting the USB Console Port 63
Installing the Cisco Microsoft Windows USB Device Driver 64
Installing the Cisco Microsoft Windows XP USB Driver 64
Installing the Cisco Microsoft Windows 2000 USB Driver 65
Installing the Cisco Microsoft Windows Vista and Windows 7 USB Driver 65
Uninstalling the Cisco Microsoft Windows USB Driver 65
Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver 65
Uninstalling the Cisco Microsoft Windows Vista and Windows 7 USB Driver 66
Technical Specifications 69
Environmental and Physical Specifications 69
Specifications for the Power Supplies and Fans 72
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Contents
APPENDIX B
Switch LEDs 75
LEDs 75
Console LED 75
System LED 76
MASTER LED 76
STACK LED 77
PoE LED 78
Port LEDs and Modes 78
Beacon LED 80
RJ-45 Console Port LED 81
Fan LED 81
Uplink Port LEDs 81
Introduction ?
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Product Overview
• Switch Models, on page 1
• Front Panel Components, on page 2
• Rear Panel, on page 6
• Network Configurations, on page 11
Switch Models
The Cisco Catalyst 9200 Series switches have four modular (C9200) and eight fixed (C9200L) switch models.
The following tables describe all the available Cisco Catalyst 9200 Series switches and the features supported.
Table 1: C9200L Switch Models and Descriptions
CHAPTER 1
DescriptionSwitch Model
C9200L-24P-4G
C9200L-24P-4X
C9200L-24T-4G
C9200L-24T-4X
C9200L-48P-4G
C9200L-48P-4X
C9200L-48T-4G
C9200L-48T-4X
Stackable 24x1G PoE+ ports; 4x1G fixed uplink ports; 2 power
supply slots; 2 fixed fans; supports StackWise-80.
Stackable 24x1G PoE+ ports; 4x10G fixed uplink ports; 2 power
supply slots; 2 fixed fans; supports StackWise-80.
Stackable 24x1G ports; 4x1G fixed uplink ports; 2 power supply
slots; 2 fixed fans; supports StackWise-80.
Stackable 24x1G ports; 4x10G fixed uplink ports; 2 power supply
slots; 2 fixed fans; supports StackWise-80.
Stackable 48x1G PoE+ ports; 4x1G fixed uplink ports; 2 power
supply slots; 2 fixed fans; supports StackWise-80.
Stackable 48x1G PoE+ ports; 4x10G fixed uplink ports; 2 power
supply slots; 2 fixed fans; supports StackWise-80.
Stackable 48x1G ports; 4x1G fixed uplink ports; 2 power supply
slots; 2 fixed fans; supports StackWise-80.
Stackable 48x1G PoE+ ports; 4x10G fixed uplink ports; 2 power
supply slots; 2 fixed fans; supports StackWise-80.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Front Panel Components
Product Overview
Table 2: C9200 Switch Models and Descriptions
DescriptionSwitch Model
C9200-24P
C9200-24T
C9200-48P
C9200-48T
Front Panel Components
This section describes the front panel components of Cisco Catalyst 9200 Series switches :
• 24 or 48 downlink ports of one of the following types:
• 10/100/1000
• 10/100/1000 PoE+
• 1G/10G Uplink ports
Stackable 24x1G PoE+ ports; 4x1G and 4x10G fixed uplink ports;
2 power supply slots; 2 field-replaceable fans; supports
StackWise-160.
Stackable 24x1G ports; 4x1G and 4x10G fixed uplink ports; 2 power
supply slots; 2 field-replaceable fans; supports StackWise-160.
Stackable 48x1G PoE+ ports; 4x1G and 4x10G fixed uplink ports;
2 power supply slots; 2 field-replaceable fans; supports
StackWise-160.
Stackable 48x1G ports; 4x1G and 4x10G fixed uplink ports; 2 power
supply slots; 2 field-replaceable fans; supports StackWise-160.
• USB Type A storage ports
• USB mini-Type B console port
• LEDs
• Blue Beacon
All the switch models have similar components. See the following illustration for example.
Note
The Cisco Catalyst 9200 Series switches might have slight cosmetic differences on the bezels.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Product Overview
10/100/1000 Ports
Figure 1: Front Panel of a C9200L Switch
USB Type A storage ports5Blue Beacon (UID button)1
10/100/1000 PoE+ ports6Mode button2
Fixed uplink ports7Status LEDs3
USB mini-Type B (console) port4
Figure 2: Front Panel of a C9200 Switch
3
port
USB Type A storage ports4Blue Beacon (UID button)1
10/100/1000 PoE+ ports5Mode button2
6USB mini-Type B (console)
Network Module with uplink
ports
10/100/1000 Ports
The 10/100/1000 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 twisted pair (UTP) cable of Category 5
or higher. The 10BASE-T traffic can use Category 3 cable or higher.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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PoE and PoE+ Ports
PoE and PoE+ Ports
The PoE and PoE+ ports provide the following functionality:
• PoE/PoE+ ports: Support for IEEE 802.3af-compliant powered devices (up to 15.4W PoE per port) and
support for IEEE 802.3at-compliant powered devices (up to 30W PoE+ per port).
• Support for pre-standard Cisco powered devices.
• Configurable support for Cisco intelligent power management, including enhanced power negotiation,
power reservation, and per-port power policing.
See the Power Supply Modules, on page 8 for the power supply matrix that defines the available PoE and
PoE+ power per port. The output of the PoE+ circuit has been evaluated as a Limited Power Source (LPS)
per IEC 60950-1.
Management Ports
The management ports connect the switch to a PC running Microsoft Windows or to a terminal server.
Product Overview
• Ethernet management port. See Ethernet Management Port, on page 10.
• RJ-45 console port (EIA/TIA-232). See RJ-45 Console Port, on page 10.
• USB mini-Type B console port (5-pin connector).
The 10/100/1000 Ethernet management port connection uses a standard RJ-45 crossover or straight-through
cable. The RJ-45 console port connection uses the supplied RJ-45-to-DB-9 female cable. 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.
If you use the USB mini-Type B console port, the Cisco Windows USB device driver must be installed on
any PC connected to the console port (for operation with Microsoft Windows). Mac OS X or Linux do not
require special drivers.
The 4-pin mini-Type B connector resembles the 5-pin mini-Type B connectors. They are not compatible. Use
only the 5-pin mini-Type B.
Figure 3: USB Mini-Type B Port
This illustration shows a 5-pin mini-Type B USB port.
With the Cisco Windows USB device driver, you can connect and disconnect the USB cable from the console
port without affecting Windows HyperTerminal operations.
The console output always goes to both the RJ-45 and the USB console connectors, but the console input is
active on only one of the console connectors at any one time. The USB console takes precedence over the
RJ-45 console. When a cable is connected into the USB console port, the RJ-45 console port becomes inactive.
Conversely, when the USB cable is disconnected from the USB console port, the RJ-45 port becomes active.
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.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Product Overview
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 Software Configuration Guide.
USB Type A Port
The USB Type A port provides access to external USB flash devices (also known as thumb drives or USB
keys).
The port supports Cisco USB flash drives with capacities from 128 MB to 8 GB. USB devices with port
densities of 128 MB, 256 MB, 1 GB, 4 GB, and 8 GB are supported. When combined with stacking, you can
upgrade other switches in the stack from an USB key inserted in any switch within the stack. 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.
It provides you with the ability to automatically upgrade the internal flash with the USB drive's configuration
and image for emergency switch recovery using USB auto-upgrade. This feature checks the internal flash for
a bootable image and configuration and if either image or the configuration is not available, then the USB
drive is checked for boot images and configuration. If the boot image and configuration are available, these
are copied to flash for the reboot.
USB Type A Port
Uplink Ports
Note
The Cisco Catalyst 9200 Series switches support both fixed uplinks and modular uplinks. The C9200 switch
models support modular uplinks with one hot-swappable network module that provides uplink ports to connect
to other devices.
The fixed uplink ports on the C9200L switch models support two types of SFP/SFP+ modules.
• 4x1G ports that support 1G SFP modules.
• 4x10G ports that supports either 1G SFP or 10G SFP+.
For supported SFP/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 installing an (uplink) SFP/SFP+ module, see Installing SFP/SFP+ Modules, on page
35.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Rear Panel
Product Overview
Figure 4: Network Module C9200-NM-4G
Module slots2LEDs1
The following table lists the optional Cisco Catalyst 9200 Series Switches uplink network modules with
1-Gigabit and 10-Gigabit slots.
Note
Rear Panel
Table 3: Supported Network Modules
DescriptionNetwork Module
C9200-NM-4G
This module has four 1G SFP module slots. Any combination of standard
SFP modules are supported. SFP+ modules are not supported.
If you insert an SFP+ module in the 1G network module, the SFP+ module
does not operate, and the switch logs an error message.
C9200-NM-4X
This module has four 10G SFP module slots. Each port supports a 1G or 10G
connection. Any combination of standard SFP modules are supported.
C9200-NM-BLANK
Insert this blank module when the switch has no uplink ports (this is required
for sufficient air flow).
For information about installing a network module, see Installing a Network Module, on page 32.
The switch rear panel includes StackWise connectors, fan modules, and power supply modules.
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Product Overview
Figure 5: Rear Panel of a C9200L Switch
Rear Panel
Blue Beacon LED4RJ-45 console port1
2
3
Figure 6: Rear Panel of a C9200 Switch
C9200L switches
slots
5Fixed fan modules on
MGMT (RJ-45
10/100/1000 management
port)
6Power supply module
StackWise-80 port
connectors
Blue Beacon LED4RJ-45 console port1
2
5Modular fan modules on
C9200 switches
MGMT (RJ-45
10/100/1000 management
port)
3
6Power supply module
slots
StackWise-160 port
connector slots with stack
blanks installed
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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RFID Tag
RFID Tag
The switch has a built-in, front-facing, passive RFID tag that uses UHF RFID technology and requires an
RFID reader with compatible software. It provides auto-identification capabilities for asset management and
tracking. The RFID tags are compatible with the Generation 2 GS1 EPC Global Standard and are ISO 18000-6C
compliant. They operate in the 860- to 960-MHz UHF band. For more information, see Radio Frequency
Identification (RFID) on Cisco Catalyst 9000 Family Switches White Paper.
StackWise Ports
StackWise ports are used to connect switches in StackWise stacking configurations. The 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 Connecting to the StackWise Ports, on page 25.
Product Overview
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 switch has a field replaceable main AC power supply module and a redundant hot-swappable field
replaceable AC power supply module. The switch is powered through one or two internal power supply
modules. In switches with PoE capability, the redundant power supply can also be used for extra PoE power.
Following are the power supply modules supported on Cisco Catalyst 9200 Series Switches:
• PWR-C5-125WAC
• PWR-C5-600WAC
• PWR-C5-1KWAC
The switch has two internal power supply module slots. You can use two AC power supply modules or one
power supply module and a blank module (PWR-C5-BLANK).
The switch can operate with either one or two active power supply modules.
Switch Models, on page 1 shows 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. Each AC power supply module has a power cord
(CAB-TA-XXX) for connection to an AC power outlet.
8
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 power supply modules are autoranging units that support input voltages between 100 and 240 VAC. The
output voltage range is 12 to 12.5 V for 125W power supply and 54 to 56 V for 600W and 1000W power
supplies.
All the PoE-enable switches when installed with both the power supplies support full PoE+; 1440W on a
48-port switch and 740W on a 24-port switch.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
Product Overview
Fan Modules
The following tables show the PoE available and PoE requirements for PoE switch models.
Table 4: Available PoE with AC Power Supply
Available PoEDefault Power SupplyModels
Full PoE with Redundant
Power Supply
740W370WPWR-C5-600WACC9200-24P
1440W740WPWR-C5-1KWACC9200-48P
——PWR-C5-125WACC9200-24T
——C9200-48T
——C9200L-24T-4G
——C9200L-24T-4X
——C9200L-48T-4G
——C9200L-48T-4X
370WPWR-C5-600WACC9200L-24P-4G
740W
740W370WC9200L-24P-4X
740WPWR-C5-1KWACC9200L-48P-4G
1440W
1440W740WC9200L-48P-4X
Fan Modules
The power supply modules have two status LEDs.
Table 5: Switch Power Supply Module LEDs
DescriptionPS OKDescriptionAC OK
OffNo AC input power.Off
Output is disabled, or input is outside
operating range (AC LED is off).
Power output to switch active.GreenAC input power present.Green
Output has failed.Red
The Cisco Catalyst 9200 Series Switches supports two internal fixed 12-V fan modules and two field-replaceable
fan modules (C9200-FAN=). The C9200 models support modular fans whereas the C9200L models provide
two internal fixed fans.
For information about the type of fan module supported on different switch models, see Switch Models, on
page 1.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
9
Ethernet Management Port
The air circulation system consists of the fan modules and the power supply modules. The airflow patterns
vary depending on the power supply configuration. The switch can operate at ambient temperature if one of
the fans fail.
Figure 7: Switch Airflow Pattern
The following illustration shows the airflow pattern for the switches. The blue arrow shows cool airflow, and
the red arrow shows warm airflow.
Product Overview
Ethernet Management Port
You can connect the switch to a host such as a Windows workstation or a terminal server through the
10/100/1000 Ethernet management port or one of the console ports. The 10/100/1000 Ethernet out-of-band
management port is a virtual routing and forwarding (VRF) interface and uses a RJ-45 crossover or
straight-through cable.
Note
The 10/100/1000 Ethernet management port is an RJ-45 connector that should be connected to a Windows
workstation or a terminal server. Do not connect this port to another port in the same switch or to any port
within the same switch stack.
The following table shows the Ethernet management port LED colors and their meanings.
Table 6: Ethernet Management Port LED
DescriptionColor
Link up but no activity.Green
Link up and activity.Blinking green
Link down.Off
RJ-45 Console Port
The RJ-45 console port connection uses the supplied RJ-45-to-DB-9 female cable.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Product Overview
The following table shows the RJ-45 console port LED colors and their meanings.
Table 7: RJ-45 Console LED
Network Configurations
See the switch software configuration guide for network configuration concepts and examples of using the
switch to create dedicated network segments and interconnecting the segments through Fast Ethernet and
Gigabit Ethernet connections.
Network Configurations
DescriptionColor
RJ-45 console port is active.Green
The port is not active.Off
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Network Configurations
Product Overview
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
12
Installing the Switch
• Preparing for Installation, on page 13
• Planning a Switch Data Stack , on page 17
• Installing the Switch, on page 21
• Connecting to the StackWise Ports, on page 25
• Connecting Devices to the Ethernet Ports, on page 27
Preparing for Installation
Safety Warnings
This section includes the basic installation caution and warning statements. Read this section before you start
the installation procedure. Translations of the warning statements appear in the Regulatory Compliance and
Safety Information guide on Cisco.com.
CHAPTER 2
Warning
Warning
Warning
Warning
Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces,
and watches). Metal objects will heat up when connected to power and ground and can cause serious burns
or weld the metal object to the terminals. Statement 43
Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and
equipment damage. Statement 48
Ethernet cables must be shielded when used in a central office environment. Statement 171
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement
1001
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Safety Warnings
Installing the Switch
Warning
Warning
Warning
Warning
Warning
Warning
Read the installation instructions before connecting the system to the power source. Statement 1004
Class 1 laser product. Statement 1008
This unit is intended for installation in restricted access areas. A restricted access area can be accessed only
through the use of a special tool, lock and key, or other means of security. Statement 1017
The plug-socket combination must be accessible at all times, because it serves as the main disconnecting
device. Statement 1019
Use copper conductors only. Statement 1025
This unit might have more than one power supply connection. All connections must be removed to de-energize
the unit. Statement 1028
Warning
Warning
Warning
Warning
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement
1030
Ultimate disposal of this product should be handled according to all national laws and regulations. Statement
1040
To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended
ambient temperature of: <113°F (45°C). Statement 1047
Installation of the equipment must comply with local and national electrical codes. Statement 1074
To prevent airflow restriction, allow clearance around the ventilation openings to be at least: 3 inches (7.6
cm). Statement 1076
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Installing the Switch
Installation Guidelines
When determining where to install the switch, verify that these guidelines are met:
• Clearance to the switch front and rear panel meets these conditions:
• Front-panel LEDs can be easily read.
• Access to ports is sufficient for unrestricted cabling.
• AC power cord can reach from the AC power outlet to the connector on the switch rear panel.
• The SFP/SFP+ module minimum bend radius and connector length is met. See the SFP/SFP+ module
documentation for more information.
• Cabling is away from sources of electrical noise, such as radios, power lines, and fluorescent lighting
fixtures. Make sure that the cabling is safely away from other devices that might damage the cables.
• Make sure power-supply modules and fan modules are securely inserted in the chassis before moving
the switch.
• Airflow around the switch and through the vents is unrestricted.
Installation Guidelines
• For copper connections on Ethernet ports, cable lengths from the switch to connected devices can be up
to 328 feet (100 meters).
• Temperature around the unit does not exceed 113°F (45°C). If the switch is installed in a closed or
multirack assembly, the temperature around it might be greater than normal room temperature.
• Humidity around the switch does not exceed 95 percent.
• Altitude at the installation site is not greater than 10,000 feet.
• Cooling mechanisms, such as fans and blowers in the switch, can draw dust and other particles causing
contaminant buildup inside the chassis, which can result in system malfunction. You must install this
equipment in an environment as free from dust and foreign conductive material (such as metal flakes
from construction activities) as is possible.
Note
The illustrations used in this section shows a C9200L switch. The C9200 switch installation is similar to
C9200L, follow the same steps for installing C9200 switches.
Shipping Box Contents
The shipping box contains the model of the switch you ordered and other components needed for installation.
Some components are optional, depending on your order.
Note
Verify that you have received these items. If any item is missing or damaged, contact your Cisco representative
or reseller for instructions. Verify that you have received these items. If any item is missing or damaged,
contact your Cisco representative or reseller for instructions.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Tools and Equipment
Installing the Switch
Figure 8: Components delivered in the shipping box
1
3
1. Item is orderable.
Tools and Equipment
Obtain these necessary tools:
• A Number-2 Phillips screwdriver to rack-mount the switch
supply modules are not displayed)
document
8 number-8 Phillips flat-head screws8Cisco Catalyst 9200 Series switch1(power
Cable guide9AC power cord2
M4.0 x 20mm Phillips pan-head screw10Product documentation and compliance
11Four rubber mounting feet4
12Two 19-inch mounting brackets5
134 number-12 pan-head screw6
RJ-45 USB console cable
(Optional) USB console cable
(Optional) StackWise cable1(0.5-meter,
1
1
1-meter, or 3-meter)
Power cord retainer144 number-10 pan-head screws7
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Installing the Switch
Verifying Switch Operation
Before you install the switch in a rack, on a wall, or on a table or shelf, power on the switch and verify that
it passes POST.
To power on the switch, plug one end of the AC power cord into the switch AC power connector, and plug
the other end into an AC power outlet.
As the switch powers on, it begins the POST, a series of tests that runs automatically to ensure that the switch
functions properly. LEDs can blink during the test. POST lasts approximately 1 minute. The SYST LED
blinks green, and the other LEDs remain solid green.
When the switch completes POST successfully, the SYST LED remains green. The LEDs turn off and then
reflect the switch operating status. If a switch fails POST, the SYST LED turns amber.
POST failures are usually fatal. Call Cisco technical support representative if your switch fails POST.
After a successful POST, unplug the power cord from the switch and install the switch in a rack, on a wall,
on a table, or on a shelf.
Verifying Switch Operation
Planning a Switch Data Stack
Switch Stacking Guidelines
A StackWise adapter must be installed in the stacking port to enable stacking. The StackWise cable connects
to the StackWise adapter in the stacking port. If the switch is not ordered with stacking, the adapters must be
ordered separately and installed.
Before connecting the switches in a stack, observe these stacking guidelines:
• Number of switches in the stack. You can create data stacks with up to eight switches in a stack.
• Length of the cable. Order the appropriate cable from your Cisco sales representative. The length of
FlexStack cable depends on your configuration. These are the different sizes available:
• 0.5 meter cable (STACK-T4-50CM)
• 1 meter cable (STACK-T4-1M)
• 3 meter cable (STACK-T4-3M)
• Minimum bend radius and coiled diameter for StackWise cables. We recommend a minimum bend radius
and coiled diameter for each StackWise cable.
Data Stack Cabling Configurations
This is an example of a recommended configuration that uses the supplied 0.5-meter StackWise cable. In this
example, the switches are stacked in a vertical rack or on a table. This configuration provides redundant
connections. The configuration example uses the supplied 0.5-meter StackWise cable. The example shows
the full-ring configuration that provides redundant connections.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Data Stack Bandwidth and Partitioning Examples
Figure 9: Data Stacking the Switches in a Rack or on a Table Using the 0.5-meter StackWise Cables
This example shows a recommended configuration when the switches are mounted side-by-side. Use the
1-meter and the 3-meter StackWise cables to connect the switches. This configuration provides redundant
connections.
Figure 10: Data Stacking in a Side-by-Side Mounting
Installing the Switch
Data Stack Bandwidth and Partitioning Examples
This section provides examples of data stack bandwidth and possible data stack partitioning. The figure shows
a data stack of switches that provides full bandwidth and redundant StackWise cable connections.
Figure 11: Example of a Data Stack with Full Bandwidth Connections
This figure shows an example of a stack of switches with incomplete StackWise cabling connections. This
stack provides only half bandwidth and does not have redundant connections.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
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Installing the Switch
Data Stack Bandwidth and Partitioning Examples
Figure 12: Example of a Data Stack with Half Bandwidth Connections
The figures below show data stacks of switches with failover conditions. In this figure, the StackWise cable
is bad in link 2. Therefore, this stack provides only half bandwidth and does not have redundant connections.
Figure 13: Example of a Data Stack with a Failover Condition
In this figure, link 2 is bad. Therefore, this stack partitions into two stacks, and the top and bottom switches
become the active switch in the stack. If the bottom switch is a member (not active or standby switch), it
reloads.
Figure 14: Example of a Partitioned Data Stack with a Failover Condition
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Power-On Sequence for Switch Stacks
Power-On Sequence for Switch Stacks
Consider these guidelines before you power on the switches in a stack:
• The sequence in which the switches are first powered on might affect the switch that becomes the stack
master.
• There are two ways to elect an active switch:
• If you want a particular switch to become the active switch, configure it with the highest priority.
Among switches with same priority, the switch with the lowest MAC address becomes the active
switch.
• If you want a particular switch to become the active switch, power on that switch first. This switch
remains the active switch until a reelection is required. After 2 minutes, power on the other switches
in the stack. If you have no preference as to which switch becomes the active switch, power on all
the switches in the stack within 1 minute. These switches participate in the active switch election.
Switches powered on after 2 minutes do not participate in the election.
• Power off a switch before you add it to or remove it from an existing switch stack. If changes are made
to the stack without powering down the switches, the following results can occur:
Installing the Switch
• If two operating partial ring stacks are connected together using a stack cable, a stack merge can
take place. This situation reloads the whole stack (all switches in the stack).
• If some switches in the stack are completely separated from the stack, a stack split can occur.
• A stack split can occur on a full ring stack if:
• More than one running switch is removed without powering down.
• More than one stack cable is removed without powering down.
• A stack split can occur in a partial ring stack if:
• A switch is removed without powering down.
• A stack cable is removed without powering down.
• In a split stack, depending on where the active and standby switches are located, either two stacks might
be formed (with the standby taking over as the new active switch in the newly formed stack) or all the
members in the newly formed stack might reload.
Note
These results depend on how the switches are connected. You can remove two or more switches from the
stack without splitting the stack.
For conditions that can cause a stack reelection or to manually elect the active switch, see the stacking software
configuration guide Stack Manager and High Availability Configuration Guide for Cisco Catalyst 9200 Series
Switches on Cisco.com.
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Installing the Switch
Installing the Switch
Rack-Mounting
Installation in racks other than 19-inch racks requires a bracket kit not included with the switch.
Installing the Switch
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to
ensure that the system remains stable. The following guidelines are provided to ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the
heaviest component at the bottom of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the
unit in the rack.
Statement 1006
Figure 15: Rack-Mounting Brackets
This figure shows the standard 19-inch brackets and other optional mounting brackets. You can order the
optional brackets (ACC-KIT-T1=) from your Cisco sales representative.
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