Extreme Networks 8820 Manual

Extreme 8820 Hardware Installation Guide
9037376-00 Rev. AA
February 2023

Copyright © 2023 Extreme Networks, Inc. All rights reserved.
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Table of Contents
Preface......................................................................................................................................................... 6
Text Conventions.......................................................................................................................................................... 6
Documentation and Training.................................................................................................................................. 7
Help and Support......................................................................................................................................................... 8
Subscribe to Product Announcements.....................................................................................................8
Send Feedback..............................................................................................................................................................8
Extreme 8820 Series Overview...............................................................................................................10
Management................................................................................................................................................................. 10
Fan Modules....................................................................................................................................................................11
Power Supplies..............................................................................................................................................................11
Operating Temperatures...........................................................................................................................................11
Feature Licensing.........................................................................................................................................................11
Extreme 8820-40C Switch Features..................................................................................................................11
Extreme 8820-80C Switch Features.................................................................................................................13
Power Supplies for Use with Your Switch..............................................................................................15
Precautions specific to power supplies............................................................................................................15
1600 W AC Power Supplies................................................................................................................................... 16
1600 W DC Power Supplies...................................................................................................................................16
Fan Modules for Use with Your Switch...................................................................................................17
Precautions specific to fan Modules.................................................................................................................. 17
Extreme 8820-40C Fan Modules........................................................................................................................18
Extreme 8820-80C Fan Modules........................................................................................................................18
Site Preparation........................................................................................................................................20
Plan Your Site.............................................................................................................................................................. 20
Operating Environment Requirements.............................................................................................................21
Meet Building and Electrical Codes...........................................................................................................21
Set up the Wiring Closet............................................................................................................................... 22
Control the Temperature............................................................................................................................... 22
Control the Humidity Level...........................................................................................................................23
Protect Your System from ESD (Electrostatic Discharge)............................................................23
Rack Specifications and Recommendations................................................................................................24
Mechanical Recommendations for the Rack.......................................................................................24
Ground the Rack............................................................................................................................................... 24
Provide Adequate Space for the Rack................................................................................................... 24
Secure the Rack.................................................................................................................................................25
Meet Power Requirements.................................................................................................................................... 25
Power Supply Requirements....................................................................................................................... 25
Requirements for Power Cords..................................................................................................................26
UPS (Uninterruptible Power Supply) Requirements....................................................................... 26
Extreme 8820 Hardware Installation Guide iii

Follow Applicable Industry Standards............................................................................................................ 27
Install Your Switch....................................................................................................................................29
Safety Considerations for Installation..............................................................................................................29
What You Will Need for the Installation......................................................................................................... 30
Attach Your Device to a Rack or Cabinet......................................................................................................30
Attach the Device to a Four-Post Rack...................................................................................................31
Attach the Device to a Two-Post Rack.................................................................................................. 34
Install Optional Components...............................................................................................................................40
Pluggable Transceiver Modules................................................................................................................. 40
Optical Cables....................................................................................................................................................40
Install Internal Power Supplies............................................................................................................................40
Install a 1600 W Internal AC Power Supply.........................................................................................40
Install a 1600 W Internal DC Power Supply......................................................................................... 43
Turn on the Device....................................................................................................................................................46
Connect Network Interface Cables...................................................................................................................47
Activate and Verify Your Switch.............................................................................................................48
Establish a Serial Connection.............................................................................................................................. 48
Configure the Switch for Use.............................................................................................................................. 49
Monitor the Device...................................................................................................................................50
System Status LEDs.................................................................................................................................................50
RJ-45 Management Port LEDs.............................................................................................................................51
QSFP28 Port LEDs....................................................................................................................................................52
Fan LEDs........................................................................................................................................................................54
Power Supply LEDs.................................................................................................................................................. 54
1600 W AC Power Supply LEDs................................................................................................................54
1600 W DC Power Supply LEDs................................................................................................................55
Remove and Replace Components........................................................................................................56
Replacing Internal Power Supplies....................................................................................................................56
Replace Fan Modules...............................................................................................................................................56
Identify the Airflow Direction......................................................................................................................57
Replace Fan Modules...................................................................................................................................... 57
Change Airflow Direction.......................................................................................................................................58
Remove the Switch from the Rack.....................................................................................................................61
Remove or Reposistion a Device from a Four-Post Rack.............................................................. 61
Remove a Device from a Two-Post Rack.............................................................................................. 64
Extreme 8820 Series Technical Specifications.....................................................................................65
Extreme 8820 Software Specifications.......................................................................................................... 65
Weights and Physical Dimensions.....................................................................................................................66
Fan and Acoustic Noise..........................................................................................................................................68
Power Options............................................................................................................................................................ 69
Power and Heat Dissipation........................................................................................................................ 69
Mean Time Between Failures (MTBF)..............................................................................................................69
CPU, Memory...............................................................................................................................................................70
Standards........................................................................................................................................................................ 71
Environmental Standards..............................................................................................................................73
Power Cord Requirements for AC-Powered Switches and AC Power Supplies......................... 73
1600 W Power Supply Technical Specifications.........................................................................................74
Table of Contents
iv Extreme 8820 Hardware Installation Guide

Safety and Regulatory Information........................................................................................................77
General Safety Precautions...................................................................................................................................77
Considerations Before Installing.........................................................................................................................78
Maintenance Safety.................................................................................................................................................. 79
Fiber Optic Ports and Optical Safety.............................................................................................................. 79
Cable Routing for LAN Systems........................................................................................................................80
Install Power Supply Units and Connect Power.........................................................................................80
Select Power Supply Cords....................................................................................................................................81
Battery Notice............................................................................................................................................................. 82
Battery Warning - Taiwan...................................................................................................................................... 82
EMC Warnings.............................................................................................................................................................82
Taiwan BSMI Warning......................................................................................................................................82
China CQC Warning.........................................................................................................................................83
Japan (VCCI Class A)...............................................................................................................................................83
Korea EMC Statement.............................................................................................................................................83
Index...........................................................................................................................................................84
Table of Contents
Extreme 8820 Hardware Installation Guide v

Preface
Read the following topics to learn about:
•The meanings of text formats used in this document.
•Where you can find additional information and help.
•How to reach us with questions and comments.
Text Conventions
Unless otherwise noted, information in this document applies to all supported environments for the
products in question. Exceptions, like command keywords associated with a specific software version,
are identified in the text.
When a feature, function, or operation pertains to a specific hardware product, the product name is
used. When features, functions, and operations are the same across an entire product family, such as
ExtremeSwitching switches or SLX routers, the product is referred to as the switch or the router.
Table 1: Notes and warnings
Icon Notice type Alerts you to...
Tip Helpful tips and notices for using the product
Note Useful information or instructions
Important Important features or instructions
Caution Risk of personal injury, system damage, or loss of data
Warning Risk of severe personal injury
6Extreme 8820 Hardware Installation Guide

Table 2: Text
Convention Description
screen displays This typeface indicates command syntax, or represents information as
it is displayed on the screen.
The words enter and type When you see the word enter in this guide, you must type something,
and then press the Return or Enter key. Do not press the Return or
Enter key when an instruction simply says type.
Key names Key names are written in boldface, for example Ctrl or Esc. If you must
press two or more keys simultaneously, the key names are linked with a
plus sign (+). Example: Press Ctrl+Alt+Del
Words in italicized type Italics emphasize a point or denote new terms at the place where
they are defined in the text. Italics are also used when referring to
publication titles.
New information. In a PDF, this is searchable text.
Table 3: Command syntax
Convention Description
bold text Bold text indicates command names, keywords, and command options.
italic text Italic text indicates variable content.
[ ] Syntax components displayed within square brackets are optional.
Default responses to system prompts are enclosed in square brackets.
{ x | y | z } A choice of required parameters is enclosed in curly brackets separated
by vertical bars. You must select one of the options.
x | yA vertical bar separates mutually exclusive elements.
< > Nonprinting characters, such as passwords, are enclosed in angle
brackets.
... Repeat the previous element, for example, member[member...].
\ In command examples, the backslash indicates a “soft” line break.
When a backslash separates two lines of a command input, enter the
entire command at the prompt without the backslash.
Documentation and Training
Find Extreme Networks product information at the following locations:
Current Product Documentation
Release Notes
Hardware and software compatibility for Extreme Networks products
Extreme Optics Compatibility
Other resources such as white papers, data sheets, and case studies
Extreme Networks oers product training courses, both online and in person, as well as specialized
certifications. For details, visit www.extremenetworks.com/education/.
Preface Documentation and Training
Extreme 8820 Hardware Installation Guide 7

Help and Support
If you require assistance, contact Extreme Networks using one of the following methods:
Extreme Portal
Search the GTAC (Global Technical Assistance Center) knowledge base; manage support cases and
service contracts; download software; and obtain product licensing, training, and certifications.
The Hub
A forum for Extreme Networks customers to connect with one another, answer questions, and
share ideas and feedback. This community is monitored by Extreme Networks employees, but is not
intended to replace specific guidance from GTAC.
Call GTAC
For immediate support: [phone] (toll-free in U.S. and Canada) or 1 [phone]. For the
support phone number in your country, visit: www.extremenetworks.com/support/contact
Before contacting Extreme Networks for technical support, have the following information ready:
•Your Extreme Networks service contract number, or serial numbers for all involved Extreme
Networks products
•A description of the failure
•A description of any actions already taken to resolve the problem
•A description of your network environment (such as layout, cable type, other relevant environmental
information)
•Network load at the time of trouble (if known)
•The device history (for example, if you have returned the device before, or if this is a recurring
problem)
•Any related RMA (Return Material Authorization) numbers
Subscribe to Product Announcements
You can subscribe to email notifications for product and software release announcements, Field
Notices, and Vulnerability Notices.
1. Go to The Hub.
2. In the list of categories, expand the Product Announcements list.
3. Select a product for which you would like to receive notifications.
4. Select Subscribe.
5. To select additional products, return to the Product Announcements list and repeat steps 3 and 4.
You can modify your product selections or unsubscribe at any time.
Send Feedback
The Information Development team at Extreme Networks has made every eort to ensure that this
document is accurate, complete, and easy to use. We strive to improve our documentation to help you
in your work, so we want to hear from you. We welcome all feedback, but we especially want to know
about:
•Content errors, or confusing or conflicting information.
Help and Support Preface
8Extreme 8820 Hardware Installation Guide

•Improvements that would help you find relevant information.
•Broken links or usability issues.
To send feedback, do either of the following:
•Access the feedback form at https://www.extremenetworks.com/documentation-feedback/.
•Email us at [e-mail].
Provide the publication title, part number, and as much detail as possible, including the topic heading
and page number if applicable, as well as your suggestions for improvement.
Preface Send Feedback
Extreme 8820 Hardware Installation Guide 9

Extreme 8820 Series Overview
Extreme 8820-40C Switch Features on page 11
Extreme 8820-80C Switch Features on page 13
Each Extreme 8820 device is a high density, fixed form factor switch and router with 80 x 100 GbE or
40 x 100 GbE ports to deliver the scale and performance needed to address the explosive growth in
network bandwidth, devices, and services.
This platform provides carrier-class advanced features that leverage proven Extreme Networks routing,
MPLS, Carrier Ethernet, VXLAN overlay technology, and Dual Stack 1Pv4/1Pv6 functionality, deployed
in the most demanding service providers, internet exchange points (IXPs) and large enterprise data
centers.
Management
An RJ45 serial console port on the front panel of the Extreme 8820 Series enables you to connect
a terminal and perform local management. The Extreme 8820-80C models have two RJ45 Ethernet
management ports on the front panel, which can be used to connect the system to an out of band
management network for administration. The Extreme 8820-40C models have only one RJ45 Ethernet
management port on the front panel. Alternatively, you can use an Ethernet cable to connect this port
directly to a laptop to view and locally manage the switch configuration. The Ethernet management
port supports 10/100/1000 Mbps speeds.
After you connect, you can use the management functions built into the device to monitor the port
status, physical status, and other information to help you analyze device performance and to accelerate
system debugging. The device automatically performs a power-on self-test (POST) each time it is
turned on.
Table 4: Management options for the device
Management tool Out-of-band
support
In-band
support
Reference documents
Command line interface
(CLI)
Ethernet or serial
connection
N/A Extreme SLX-OS Management
Configuration Guide
REST or NETCONF/YANG
APIs.
Ethernet connection Yes Extreme SLX-OS Management
Configuration Guide
Standard SNMP applications Ethernet or serial
connection
N/A Extreme SLX-OS Management
Configuration Guide
10 Extreme 8820 Hardware Installation Guide

There is also a USB 2.0 Type A port on the front panel labeled USB that can host removable devices like
flash drives.
Fan Modules
Hot-swappable fan modules that provide either front-to-back or back-to-front airflow for switch cooling
are available for the Extreme 8820. Extreme 8820-40C models support six fan modules. Extreme
8820-80C models support four fan modules. The fan slots on all models are located on the rear panel.
Switch fans are not responsible for cooling the power supplies; power supplies have integrated cooling
fans that operate independently of the switch fan. The direction of the airflow in the fans and power
supplies must be the same. For more information about the fans used in the Extreme 8820 Series
switches, see Fan Modules for Use with Your Switch on page 17.
Fans are ordered separately for base models 8820-40C and 8820-80C. Fans are included with other
models.
Power Supplies
Hot swappable 1600 W AC or DC power supplies are available to power the Extreme 8820. The power
supplies have integrated cooling fans that operate independently of the switch fans. The fans provide
either front-to-back or back-to-front airflow. The direction of the airflow in the power supplies and
the fans must be the same. Extreme 8820-40C models support two power supplies, and Extreme
8820-80C models support four power supplies. The power supplies can be AC, DC, or mixed. The power
supply slots on all models are located on the rear panel. For more information about the power supplies
used in the Extreme 8820 Series, see Power Supplies for Use with Your Switch on page 15.
Power supplies are ordered separately for base models 8820-40C and 8820-80C. Power supplies are
included with other models.
Operating Temperatures
The operating temperatures and operating altitude for front-to-back airflow models are 0oC to 40oC
(32oF to 104oF) up to 6,000 ft (1800m). The operating temperatures and operating altitude for back-to-
front airflow models are 0oC to 25oC (32oF to 77oF) up to 6,000 ft (1800m).
Feature Licensing
Table 5: Extreme 8820 Series License Option
Part number Description
8000-PRMR-LIC-P Extreme 8820-40C and Extreme 8820-80C Advanced Feature License for BGP-EVPN
and Integrated Application Hosting
For information about licensing options for SLX-OS support for the Extreme 8820 Series, see Extreme
SLX-OS Software Licensing Guide.
Extreme 8820-40C Switch Features
The Extreme 8820-40C Series includes the following models:
Extreme 8820 Series Overview Fan Modules
Extreme 8820 Hardware Installation Guide 11

8820-40C
The 8820-40C base switch includes six unused fan slots and two unused power supply slots. Fan
modules and power supply modules must be ordered separately.
8820-40C-AC-F
The 8820-40C-AC-F switch includes six fan modules and two AC power supplies. Airflow for both
the fan modules and the power supplies modules is front-to-back.
8820-40C-AC-R
The 8820-40C-AC-R switch includes six fan modules and two AC power supplies. Airflow for both
the fan modules and the power supplies modules is back-to-front.
8820-40C-DC-F
The 8820-40C-DC-F switch includes six fan modules and two DC power supplies. Airflow for both
the fan modules and the power supplies modules is front-to-back.
8820-40C-DC-R
The 8820-40C-DC-R switch includes six fan modules and two DC power supplies. Airflow for both
the fan modules and the power supplies modules is back-to-front.
The front panel of the Extreme 8820 Series switch includes:
•40 10/25/40/100Gb QSFP28 ports
•1 Serial console RJ-45 port
•1 10/100/1000BASE-T out-of-band management port
•1 Type A USB storage port
•4 Status LEDs
Figure 1: Extreme 8820-40C Series Front Panel
1 = Status LEDs 2 = 10/25/40/100Gb QSFP28 ports
3 = 10/100/1000BASE-T out-of-band management port 4 = Type A USB storage port
5 = Serial console RJ-45 port
The rear panel of the switch includes:
•6 fan modules
•2 power supply modules
Extreme 8820-40C Switch Features Extreme 8820 Series Overview
12 Extreme 8820 Hardware Installation Guide

Figure 2: Extreme 8820-40C Series Rear Panel
1 = fan modules 2 = power supplies
Extreme 8820-80C Switch Features
The Extreme 8820-80C Series includes the following models:
8820-80C
The 8820-80C base switch includes four unused fan slots and four unused power supply slots. Fan
modules and power supply modules must be ordered separately.
8820-80C-AC-F
The 8820-80C-AC-F switch includes four fan modules and four AC power supplies. Airflow for both
the fan modules and the power supplies modules is front-to-back.
8820-80C-AC-R
The 8820-80C-AC-R switch includes four fan modules and four AC power supplies. Airflow for both
the fan modules and the power supplies modules is back-to-front.
8820-80C-DC-F
The 8820-80C-DC-F switch includes four fan modules and four DC power supplies. Airflow for both
the fan modules and the power supplies modules is front-to-back.
8820-80C-DC-R
The 8820-80C-DC-R switch includes four fan modules and four DC power supplies. Airflow for both
the fan modules and the power supplies modules is back-to-front.
The front panel of the Extreme 8820 Series switch includes:
•80 10/25/40/100Gb QSFP28 ports
•1 Serial console RJ-45 port
•2 10/100/1000BASE-T out-of-band management port
•1 Type A USB storage port
•4 Status LEDs
Extreme 8820 Series Overview Extreme 8820-80C Switch Features
Extreme 8820 Hardware Installation Guide 13

Figure 3: Extreme 8820-80C Series Front Panel
1 = Status LEDs 2 = 10/25/40/100Gb QSFP28 ports
3 = 10/100/1000BASE-T out-of-band management port 4 = Type A USB storage port
5 = Serial console RJ-45 port
The rear panel of the switch includes:
•4 fan modules
•4 power supply modules
Figure 4: Extreme 8820-80C Series Rear Panel
1 = fan modules 2 = power supplies
Extreme 8820-80C Switch Features Extreme 8820 Series Overview
14 Extreme 8820 Hardware Installation Guide

Power Supplies for Use with Your Switch
Precautions specific to power supplies on page 15
1600 W AC Power Supplies on page 16
1600 W DC Power Supplies on page 16
Extreme 8820 Series switches run with replaceable internal power supply modules that provide all
of the power needed for the switch to operate. You can remove one power supply module without
interrupting the switch's operation. Supported power supply configurations for Extreme 8820-40C
models include two 1600 W AC power supply modules or two 1600 W DC power supply modules.
Supported power supply configurations for Extreme 8820-80C models include four 1600 W AC power
supply modules or four 1600 W DC power supply modules.
Power supply modules have integrated cooling fans that operate independently of the switch fans, and
are available with front-to-back or back-to-front airflow. The direction of the airflow in both power
supply modules must be in the same direction, and must also be the in same direction of the airflow in
the fan modules.
Power supply modules are ordered separately for base models Extreme 8820-40C and Extreme
8820-80C. Power supply modules are included with other models.
Precautions specific to power supplies
Warning
Make sure that the power source circuits are properly grounded, then use the power cord
supplied with the device to connect it to the power source.
Warning
If the installation requires a dierent power cord than the one supplied with the device,
make sure you use a power cord displaying the mark of the safety agency that defines the
regulations for power cords in your country. The mark is your assurance that the power cord
can be used safely with the device.
Caution
Disassembling any part of the power supply and fan assembly voids the warranty and
regulatory certifications. There are no user-serviceable parts inside the power supply and
fan assembly.
Extreme 8820 Hardware Installation Guide 15

Caution
Ensure that the airflow direction of the power supply unit matches that of the installed fan
tray. The power supplies and fan trays are clearly labeled with either a green arrow with an
"E", or an orange arrow with an "I."
Caution
If you do not install a module or a power supply in a slot, you must keep the slot filler panel in
place. If you run the chassis with an uncovered slot, the system will overheat.
1600 W AC Power Supplies
Two 1600 W AC power supply options, with front-to-back or back-to-front airflow, are available for the
the Extreme 8820.
•1600W AC power supply - front-to-back airflow (part no. XN-ACPWR-1600W-F)
•1600W AC power supply - back-to-front airflow (part no. XN-ACPWR-1600W-R)
Note
AC power input cords are not provided with AC power supplies. You can order an appropriate
cord from Extreme Networks or from your local supplier. The power cord must meet the
requirements listed in Power Cord Requirements for AC-Powered Switches and AC Power
Supplies on page 73 .
For information on installing or replacing an AC power supply, see Install a 1600 W Internal AC Power
Supply on page 40.
LEDs on the 1600 W AC power supply provide information on the unit's operational status. See 1600 W
AC Power Supply LEDs on page 54 for details.
1600 W DC Power Supplies
Two 1600 W DC power supply options, with front-to-back or back-to-front airflow, are available for the
Extreme 8820.
•1600W DC power supply - front-to-back airflow (part no. XN-DCPWR-1600W-F)
•1600W DC power supply - back-to-front airflow (part no. XN-DCPWR-1600W-R)
For information on installing or replacing a DC power supply, see Install a 1600 W Internal DC Power
Supply on page 43.
LEDs on the 1600 W DC power supply provide information on the unit's operational status. See 1600 W
DC Power Supply LEDs on page 55 for details.
1600 W AC Power Supplies Power Supplies for Use with Your Switch
16 Extreme 8820 Hardware Installation Guide

Fan Modules for Use with Your Switch
Precautions specific to fan Modules on page 17
Extreme 8820-40C Fan Modules on page 18
Extreme 8820-80C Fan Modules on page 18
Extreme 8820 Series switches run with replaceable internal fan modules that provide the cooling
needed for the switch to operate. The Extreme 8820-40C models can include up to six redundant,
hot-swappable fan modules. The Extreme 8820-80C models can include up to four redundant, hot-
swappable fan modules.The fan modules in the switch chassis can be removed and replaced without
special tools. The device can continue operating during the replacement.
Switch fans are not responsible for cooling the power supplies; power supplies have integrated cooling
fans that operate independently of the switch fan. The direction of the airflow in the fans and power
supplies must be the same.
Fan modules are ordered separately for base models Extreme 8820-40C and Extreme 8820-80C. Fan
modules are included with other models.
Precautions specific to fan Modules
Warning
Be careful not to accidently insert your fingers into the fan tray while removing it from the
chassis. The fan may still be spinning at a high speed.
Caution
Disassembling any part of the power supply and fan assembly voids the warranty and
regulatory certifications. There are no user-serviceable parts inside the power supply and
fan assembly.
Caution
Ensure that the airflow direction of the power supply unit matches that of the installed fan
tray. The power supplies and fan trays are clearly labeled with either a green arrow with an
"E", or an orange arrow with an "I."
Caution
If you do not install a module or a power supply in a slot, you must keep the slot filler panel in
place. If you run the chassis with an uncovered slot, the system will overheat.
Extreme 8820 Hardware Installation Guide 17

Extreme 8820-40C Fan Modules
Two fan module options, with front-to-back or back-to-front airflow, are available for the Extreme
8820-40C models.
•8820-40C fan unit with front-to-back airflow - (part no. XN-FAN-003-F)
•8820-40C fan unit with back-to-front airflow - (part no. XN-FAN-003-R)
For information on installing or replacing a fan module, see Replace Fan Modules on page 56.
LEDs on the fan module provide information on the unit's operational status. See Monitor the Device on
page 50 for details.
Figure 5: Extreme 8820-40C fan module
Extreme 8820-80C Fan Modules
Two fan module options, with front-to-back or back-to-front airflow, are available for the Extreme
8820-80C models.
•8820-80C fan unit with front-to-back airflow - (part no. XN-FAN-004-F)
•8820-80C fan unit with back-to-front airflow - (part no. XN-FAN-004-R)
For information on installing or replacing a fan module, see Replace Fan Modules on page 56.
LEDs on the fan module provide information on the unit's operational status. See Monitor the Device on
page 50 for details.
Extreme 8820-40C Fan Modules Fan Modules for Use with Your Switch
18 Extreme 8820 Hardware Installation Guide

Figure 6: Extreme 8820-80C fan module
Fan Modules for Use with Your Switch Extreme 8820-80C Fan Modules
Extreme 8820 Hardware Installation Guide 19

Site Preparation
Plan Your Site on page 20
Operating Environment Requirements on page 21
Rack Specifications and Recommendations on page 24
Meet Power Requirements on page 25
Follow Applicable Industry Standards on page 27
By carefully planning your site, you can maximize the performance of your existing network and ensure
that it is ready to migrate to future networking technologies.
The information in this chapter is intended for the system administrator, network equipment technician,
network manager, or facilities manager responsible for installing and managing the network hardware.
The chapter assumes a working knowledge of local area network (LAN) operations, and a familiarity
with communications protocols that are used on interconnected LANs.
Only qualified service personnel should install, maintain, or remove a switch, chassis, or its components.
Qualified service personnel have had appropriate technical training and experience that is necessary
to be aware of the hazards to which they are exposed when performing a task and of measures to
minimize the danger to themselves or other people.
Note
Before installing or removing any components of the system, and before carrying out any
maintenance procedures, read the safety information in "Technical Specifications".
Plan Your Site
To install your equipment successfully, you should plan the site carefully. The site planning process has
three major parts:
1. Meeting site requirements.
The physical installation site must meet the following requirements for a safe and successful
installation:
•Building and electrical code requirements
•Environmental, safety, and thermal requirements for the equipment you plan to install
•Equipment rack requirements
2. Evaluating and meeting cable requirements.
20 Extreme 8820 Hardware Installation Guide