Extreme Networks 8820 Hardware Installation Manual
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Extreme Networks 8820 Hardware Installation Manual

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

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  • Page 1 Extreme 8820 Hardware Installation Guide 9037376-00 Rev. AA February 2023...
  • Page 2 Copyright © 2023 Extreme Networks, Inc. All rights reserved. Legal Notice Extreme Networks, Inc. reserves the right to make changes in specifications and other information contained in this document and its website without prior notice. The reader should in all cases consult representatives of Extreme Networks to determine whether any such changes have been made.

  • Page 3: Table Of Contents

    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...
  • Page 4 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................................
  • Page 5 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 Extreme 8820 Hardware Installation Guide...

  • Page 6: Preface

    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 Extreme 8820 Hardware Installation Guide...

  • Page 7: Documentation And Training

    Extreme Networks products Extreme Optics Compatibility Other resources such as white papers, data sheets, and case studies Extreme Networks offers product training courses, both online and in person, as well as specialized certifications. For details, visit www.extremenetworks.com/education/. Extreme 8820 Hardware Installation Guide...

  • Page 8: Help And Support

    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: (800) 998 2408 (toll-free in U.S.
  • Page 9 Access the feedback form at https://www.extremenetworks.com/documentation-feedback/. • Email us at documentation@extremenetworks.com. 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. Extreme 8820 Hardware Installation Guide...

  • Page 10: Extreme 8820 Series Overview

    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.

  • Page 11: Fan Modules

    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.
  • Page 12 Extreme 8820-40C Switch Features Extreme 8820 Series Overview 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.

  • Page 13: Extreme 8820-80C Switch Features

    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.
  • Page 14 Extreme 8820-80C Switch Features Extreme 8820 Series Overview 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: •...

  • Page 15: Power Supplies For Use With Your Switch

    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.

  • Page 16: 1600 W Ac Power Supplies

    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 .

  • Page 17: Fan Modules For Use With Your Switch

    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...

  • Page 18: 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.
  • Page 19 Fan Modules for Use with Your Switch Extreme 8820-80C Fan Modules Figure 6: Extreme 8820-80C fan module Extreme 8820 Hardware Installation Guide...

  • Page 20: Site Preparation

    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. Extreme 8820 Hardware Installation Guide...

  • Page 21: Operating Environment Requirements

    Operating Environment Requirements After examining your physical site and verifying that all environment requirements are met, evaluate and compare your existing cable plant with the requirements of the Extreme Networks equipment to determine if you need to install new cables.

  • Page 22: Set Up The Wiring Closet

    We recommend that you consult an electrical contractor for commercial building and wiring specifications. Control the Temperature Extreme Networks equipment generates a significant amount of heat. It is essential that you provide a temperature-controlled environment for both performance and safety. Extreme 8820 Hardware Installation Guide...

  • Page 23: Control The Humidity Level

    Alternately, you can restart the system immediately by removing and then restoring all line power to the system. Safeguards are built into all Extreme Networks switches and power supply units to minimize the risk of fire. Control the Humidity Level To maximize equipment life, keep operating humidity between 50% and 70% relative humidity (non- condensing) during typical operation.

  • Page 24: Rack Specifications And Recommendations

    This will ensure good grounding between the chassis, rack, and earth ground. Note Because building codes vary worldwide, Extreme Networks strongly recommends that you consult an electrical contractor to ensure proper equipment grounding for your specific installation.

  • Page 25: Secure The Rack

    Extra room on each side is optional. Warning Extreme Networks switches do not have a switch for turning power to the unit on and off. For systems using an AC power supply, power to the switch is disconnected by removing the wall plug from the electrical outlet.

  • Page 26: Requirements For Power Cords

    Extreme Networks equipment. The web page provides specifications for power cords in each country so that you can purchase cords locally. UPS (Uninterruptible Power Supply) Requirements...

  • Page 27: Follow Applicable Industry Standards

    UPS transfer time. UPS transition times vary between UPS models and implementations, but shorter transition times are preferred. For Extreme Networks stacking products, we recommend a UPS transition time of 20 milliseconds or less to ensure optimum performance and minimize service interruptions.
  • Page 28 Follow Applicable Industry Standards Site Preparation You can access these standards at: www.ansi.org or www.tiaonline.org. Extreme 8820 Hardware Installation Guide...

  • Page 29: Install Your Switch

    46 Connect Network Interface Cables on page 47 Before you attempt to install or remove an Extreme Networks switch or router, read the precautions in Safety Considerations for Installation on page 29. Extreme Networks switches and routers fit into standard 19-inch equipment racks.

  • Page 30: What You Will Need For The Installation

    ESD-preventive wrist strap for installing optional ports at the back of the switch. Attach Your Device to a Rack or Cabinet To attach the Extreme 8820 to a two-post rack, a four-post rack, or a cabinet, follow these steps. Note •...

  • Page 31: Attach The Device To A Four-Post Rack

    Attach the Device to a Four-Post Rack A four-post rack-mounting kit (XN-4P-RKMT301 for Extreme 8820-80C or XN-4P-RKMT302 for Extreme 8820-40C) is included in the box with your device. The kit contains an instruction sheet, along with the following components: •...
  • Page 32 If using the 1U or 2U short rack ears, attach one to the side of the unit using the #6-32 screws, so that the rack ear is flush with either the front or the rear panel of the unit. Extreme 8820 Hardware Installation Guide...
  • Page 33 5. Insert the device into the rail kit. To install the device in the front of the rack, slide the device into the outer rails in the front of the rack. Extreme 8820 Hardware Installation Guide...

  • Page 34: Attach The Device To A Two-Post Rack

    Secure the device to the rack using the thumb screws on the mounting ears. Figure 15: Secure the Device Attach the Device to a Two-Post Rack You can attach your device to a two-post rack in mid-mount configuration. Extreme 8820 Hardware Installation Guide...
  • Page 35 Attach the Device to a Two-Post Rack Brackets for a two-post mount are not included in the box with your device. However, a two-post mount kit can be ordered separately using part numbers XN-2P-RKMT299 for the Extreme 8820-40C or XN-2P-RKMT300 for the Extreme 8820-80C.
  • Page 36 Attach the Device to a Two-Post Rack Install Your Switch Figure 17: Extreme 8820-80C 2-post rack components To attach your device to a two-post rack, follow these steps: 1. On one side of the device, attach one of the short mounting brackets to the device housing.
  • Page 37 3. Attach a long mounting bracket to one side of the device router housing and to the rack post. a. Position the long bracket over the holes between the front and the middle of the device. Orient it so that its flange (ear) rests against the rack post. Figure Extreme 8820 Hardware Installation Guide...
  • Page 38 (ears) on the long brackets to the rack posts, and then reattach the short brackets. 6. Secure the flanges (ears) on both sides of the device to the rack posts, using screws that are appropriate for the rack. (Rack-mounting screws are not provided.) Figure 20 for the completed installation. Extreme 8820 Hardware Installation Guide...
  • Page 39 Attach the Device to a Two-Post Rack Figure 20: Two-Post Mid-Mount: Complete 7. For Extreme 8820-40C, install the ground lug cables to the rack using an M6 screw and the four screws provided (grounding screws for 2-post installation shipped with the device in a separate bag).

  • Page 40: Install Optional Components

    Extreme Optics website. Pluggable Transceiver Modules Extreme Networks offers several optical transceiver modules for transmitting and receiving data over optical fiber rather than through electrical wires. Note A small flat-blade screwdriver can be used to free an obstructed bale clasp on an optical module.
  • Page 41 4. Carefully slide the power supply all the way into the power supply bay: Figure 22: Installing a 1600 W AC Power Supply 5. Push the power supply in until the latch snaps into place. Extreme 8820 Hardware Installation Guide...
  • Page 42 Always make sure that the source outlet is properly grounded before plugging the AC power cord into the AC power supply. To install a second power supply, repeat this procedure. When you are finished, follow the steps in Turn on the Device on page 46. Extreme 8820 Hardware Installation Guide...

  • Page 43: Install A 1600 W Internal Dc Power Supply

    To prepare the cable wires, follow these steps: 1. Strip 6 mm (0.25 inch) of insulation from one end of the cable wire, on each cable wire, if necessary. 2. Repeat step for the other cable wire. Extreme 8820 Hardware Installation Guide...
  • Page 44 2. Attach an ESD-preventive wrist strap to your bare wrist and connect metal end to an appropriate ground point on the rack. 3. Connect the ground wire to the grounding point on the power supply, which is labeled GND. See Figure Extreme 8820 Hardware Installation Guide...
  • Page 45 The DC power connection at your facility must be made by a qualified electrician, following these instructions. Warning Always make sure that the DC circuit is de-energized before connecting or disconnecting the DC power cables on the DC power supply. Extreme 8820 Hardware Installation Guide...

  • Page 46: Turn On The Device

    An AC power cord is not included with the AC power supply. You can purchase AC power cords for use in the US and Canada from Extreme networks or from your local supplier. The cord must meet the requirements listed in Power Cord Requirements for AC-Powered Switches and AC Power Supplies page 73.

  • Page 47: Connect Network Interface Cables

    5. Repeat the preceding steps for the remaining cables on this or other switches or I/O modules. 6. Dress and secure the cable bundle to provide appropriate strain relief and protection against bends and kinks. Extreme 8820 Hardware Installation Guide...

  • Page 48: Activate And Verify Your Switch

    48 Configure the Switch for Use on page 49 After the Extreme 8820 is installed and powered on, use the instructions in the following topics to activate and verify the device. Establish a Serial Connection To establish a serial connection to the console port on the device, complete the following steps.

  • Page 49: Configure The Switch For Use

    Extreme SLX-OS Security Configuration Guide for the Extreme 8820 device. The switch is ready for use. To configure other switch features, see Extreme SLX-OS Layer 2 Switching Configuration Guide . Extreme 8820 Hardware Installation Guide...

  • Page 50: Monitor The Device

    System Status LEDs System status LEDs are located on the front of the switch. The following table describes the colors and the states for the LEDs. Figure 25: Extreme 8820 System Status LEDs Table 7: System Status LEDs Color/State Description...

  • Page 51: Management Port Leds

    RJ-45 port. The LED on the left side is labeled Speed and the LED on the right side is labeled Link/Activity. The Extreme 8820-40C models include one management port on the front panel, while the Extreme 8820-80C models include two management ports on the front panel.

  • Page 52: Qsfp28 Port Leds

    Each port has one LED to indicate channel status. A channel selector switch enables you to display the status of individual channels. The selected channel is indicated in the display. The following table describes the states for the LED. Extreme 8820 Hardware Installation Guide...
  • Page 53 The port is linked Blinking white The port has link established and there is data activity No link Link/Activity Blue The port is linked Blinking blue The port has link established and there is data activity No link Extreme 8820 Hardware Installation Guide...

  • Page 54: Fan Leds

    Fan LEDs Each fan module, located on the rear panel of the Extreme 8820, has a status LED that is green if that fan module is working properly, and is red if there is a fault condition. All other status LEDs are on the front panel of the Extreme 8820, including a fan module LED.

  • Page 55: 1600 W Dc Power Supply Leds

    Indicator (Solid) No PSU fault OUT OK DC output DC output OK (Green) Good (solid) Off or DC output fail Blinking IN OK DC input DC input OK (Green) Good "IN OK" DC input fail Extreme 8820 Hardware Installation Guide...

  • Page 56: Remove And Replace Components

    All installed power supplies must have the same airflow direction (front-to-back or back-to-front) and must also match the airflow direction of the fan modules. To replace one or more AC internal power supplies in an Extreme 8820 switch, follow the steps in Install a 1600 W Internal AC Power Supply on page 40.

  • Page 57: Identify The Airflow Direction

    You can check the top view of the switch to ensure proper groove alignment: Figure 28: Airflow groove alignment (front-to-back shown) Replace Fan Modules 1. Gently pull the tab (labeled Air Out or Air In) on the end of the fan module. Extreme 8820 Hardware Installation Guide...

  • Page 58: Change Airflow Direction

    The operating-system software cannot display the airflow direction. 1. Remove the PSUs and fan modules by removing the two captive retaining screws and sliding all components out of the switch. Note The operating-system software cannot display the airflow direction. Extreme 8820 Hardware Installation Guide...
  • Page 59 2. Use a Phillips #1 screwdriver to loosen the chassis screw. Figure 30: Chassis switch screw front-to-back airflow 3. Use a flathead screwdriver to change the chassis switch. The following figure is an example of changing front-to-back airflow to back-to-front airflow. Extreme 8820 Hardware Installation Guide...
  • Page 60 Figure 32: Back-to-front airflow chassis position 4. Use a Phillips #1 screwdriver to tighten the chassis screw. Figure 33: Chassis screw back-to-front position 5. Carefully slide the PSUs and fan modules back into the switch. Extreme 8820 Hardware Installation Guide...

  • Page 61: Remove The Switch From The Rack

    3. Unscrew the mounting brackets from the rack using the thumb screws, while carefully supporting the weight of the device. Figure 35: Unscrew Thumb Screws 4. Remove the M5 screws from the rack and the outer rail. Extreme 8820 Hardware Installation Guide...
  • Page 62 3. To remove a device from a four-post rack, do the following: a. Unsecure the device from the rack by unscrewing the thumb screws on the mounting ears. b. Fully extend the device on the rails and push the disconnect latch to release the device. Extreme 8820 Hardware Installation Guide...
  • Page 63 You can leave the slider assemblies in place. If you want to remove them, continue with the next step. d. On one of the slider assemblies, remove the outer rail (bracket) from the rack by removing the M5 screws. Extreme 8820 Hardware Installation Guide...

  • Page 64: Remove A Device From A Two-Post Rack

    A best practice is storing the device with the mounting brackets attached if you plan to use it again later, Extreme 8820 Hardware Installation Guide...

  • Page 65: Extreme 8820 Series Technical Specifications

    The Extreme 8820 Series switch includes the following models: Part number Description 8820-40C (base unit) 40 100GE/40GE QSFP28 ports, 2 empty power supply slots, 6 empty fan slots. 8820-40C-AC-F 40 100GE/40GE QSFP28 ports, dual AC power supplies, 6 fan units, front-to-back airflow.

  • Page 66: Weights And Physical Dimensions

    Maximum jumbo frame size 9,216 bytes 9,216 bytes QoS priority queues (per port) Weights and Physical Dimensions Table 11: Extreme 8820 Unpackaged Dimensions Extreme 8820-40C Height: 4.31 cm (1.7 in) Width: 45.00 cm (17.72 in) Length (base model): 64.00 cm (25.2 Length (40C-AC-F model): 67.00 cm...
  • Page 67 Extreme 8820-40C (empty) 10.56 kg (23.28 lb) Extreme 8820-40C with two PSUs and six fans 13.6 kg (29.98 lb) Extreme 8820-40C with two PSUs, six fans, and 4-post rack 16.44 kg (36.24 lb) mount kit Extreme 8820-80C (empty) 20.62 kg (45.46 lb) Extreme 8820-80C with four PSUs and four fans 26.52 kg (58.46 lb)

  • Page 68: Fan And Acoustic Noise

    Extreme 8820-40C (separately orderable) XN-2P-RKMT300 - Two-post rack mount kit for 0.83 kg (1.81 lb) Extreme 8820-80C (separately orderable) Fan and Acoustic Noise Refer to the Extreme 8820 Data Sheet for up-to-date information Sound Extreme 8820-40C Extreme 8820-40C Extreme 8820-80C...

  • Page 69: Power Options

    Part # XN-ACPWR-1600W-R (back-to-front): AC Input: 200-240 VAC, 50/60 Hz 7A max. for PSU FSG059 for each PSU for Extreme 8820-40C 4A max. for PSU FSG059 and FSE023 for each PSU for Extreme 8820-40C; for Extreme 8820-80C, min. 2 PSUs provided.

  • Page 70: Cpu, Memory

    CPU, Memory Extreme 8820 Series Technical Specifications Device Model Conditions Mean Time Between Failures • front-to-back airflow 8820-80C 153,251 hrs @ 25ºC • 4 power supplies AC/DC (2+2 redundancy) • 4 fans (supporting one fan fail) • back-to-front airflow 8820-80C 129,304 hrs @ 25ºC...

  • Page 71: Standards

    Extreme 8820 Series Technical Specifications Standards Standards Table 15: Safety Standards North American Safety of ITE CAN/CSA C22.2 NO. 60950-1-01, CAN/CSA C22.2 NO. 62368-1-14 CAN/CSA C22.2 NO. 60950-1-01, CAN/CSA C22.2 NO. 62368-1-14 UL 60950-1, UL 62368-1 European Safety of ITE...
  • Page 72 Standards Extreme 8820 Series Technical Specifications Table 16: EMI/EMC Standards (continued) International EMC CISPER 32 Class A (International Emissions) certifications AS/NZS CISPER 32 CISPER 24 Class A (International Immunity) IEC 61000-4-2/EN 61000-4-2 Electrostatic Discharge, 8kV Contact, 16kV Air, Criteria B...

  • Page 73: Environmental Standards

    Extreme 8820 Series Technical Specifications Environmental Standards Table 18: IEEE Media Access Standards (continued) 802.3ah Ethernet in the First Mile Link OAM3 ITU-T G.8013/Y.1731 OAM mechanisms for Ethernet G.8032 Environmental Standards Operating conditions Operating temperature and operating altitude for airflow front to back: 0°C to 40°C (32°F to 104°F) / 6.000 ft (1,800m)

  • Page 74: 1600 W Power Supply Technical Specifications

    (2+2) hot-swappable, redundant load sharing. Note If the Extreme 8820-80C is configured with two AC power supplies and two DC power supplies, and one AC power supply faults, neither DC power supply is activated. If the one AC power supply does not provide enough power for the switch, the switch shuts down. Manual intervention is required.
  • Page 75 Extreme 8820 Series Technical Specifications 1600 W Power Supply Technical Specifications The following table describes the power supply behavior based on fault conditions, when two AC and two DC power supplies are installed. Installed PSUs Default PSU status 1 AC PSU fails...
  • Page 76 1600 W Power Supply Technical Specifications Extreme 8820 Series Technical Specifications Table 23: Power Specifications (AC Power Supplies) (continued) Output For FSG059: +12V/133A (for input 200-240VAC or 240VDC), +12V/83A (for input 100-120VAC), +12Vsb/2.5A. Total output power not to exceed 1600W (200-240VAC or 240Vdc).

  • Page 77: Safety And Regulatory Information

    Only trained and qualified service personnel (as defined in IEC 60950-1 and AS/NZS 3260) should install, replace, or perform service to Extreme Networks switches and their components. Qualified personnel have read all related installation manuals, have the technical training and experience necessary to be aware of the hazards to which they are exposed in performing a task, and are aware of measures to minimize the danger to themselves or other persons.

  • Page 78: Considerations Before Installing

    Make sure that your power supplies meet the site DC power or AC power requirements of all the network equipment. • Racks for Extreme Networks equipment must be permanently attached to the floor. Failure to stabilize the rack can cause the rack to tip over when the equipment is removed for servicing. •...

  • Page 79: Maintenance Safety

    Install all cables in a manner that avoids strain. Use tie wraps or other strain relief devices. Fiber Optic Ports and Optical Safety The following safety warnings apply to all optical devices used in Extreme Networks equipment that are removable or directly installed in an I/O module or chassis system.

  • Page 80: Cable Routing For Lan Systems

    For the ratings and power input requirements of each power supply unit, see "Technical Specifications" or the data sheet for the power supply at www.extremenetworks.com. Warning Be sure to satisfy the requirements listed in this section when you install Extreme Networks power supplies or connect power. When you install any power supply: •...

  • Page 81: Select Power Supply Cords

    When you install DC power supplies or connect DC power: • Extreme Networks DC power supplies do not have switches for turning the unit on and off. Make sure that the DC circuit is de-energized before connecting or disconnecting the DC power cord at the DC input power socket.

  • Page 82: Battery Notice

    Il y a risque d’explosion si la pile est remplacée par un type de pile incorrect. Éliminez les piles usées en conformité aux règlements locaux d'élimination des piles. Battery Warning - Taiwan About This Task EMC Warnings Taiwan BSMI Warning Extreme 8820 Hardware Installation Guide...

  • Page 83: China Cqc Warning

    This is a Class A product based on the standard of the VCCI Council. If this equipment is used in a domestic environment, radio interference may occur, in which case the user may be required to take corrective actions. Korea EMC Statement Extreme 8820 Hardware Installation Guide...

  • Page 84: Index

    ESD brackets, for mounting in rack 30, 31, 34, 61, 64 environmental requirements building codes 21 building codes 21 electrical codes 21 Extreme 8820 Hardware Installation Guide...
  • Page 85 8820 Series 50 airflow 56–58 logging in to the switch 49 replacing 56, 57 fan modules features 18 features management port 8820-40C switch 11 8820 series 10, 11 8820-80C switch 13 mounting brackets feedback 8 attaching to four-post rack 30, 31, 34 fiber optic cable removing 61, 64 connecting 47 mounting kit first switch login 49...
  • Page 86 64 installing 40 safety information 29 internal 56 tools needed to install 30 power requirements 25 replacing 56 specifications 74 technical specifications product announcements 8 8820 Series 65 technical support contacting 8 rack temperature 22 attaching switch 30, 31, 34 tools for installing equipment removing switch 61, 64 switches 30 rack specifications transceivers, see optical transceivers grounding 24...

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