H3C S6520X-EI Series Installation Manual
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H3C S6520X-EI Series Installation Manual

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H3C S6520X-EI & S6520X-HI Switch Series
Installation Guide
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W105-20210730

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  • Page 1 H3C S6520X-EI & S6520X-HI Switch Series Installation Guide New H3C Technologies Co., Ltd. http://www.h3c.com Document version: 6W105-20210730...
  • Page 2 The information in this document is subject to change without notice. All contents in this document, including statements, information, and recommendations, are believed to be accurate, but they are presented without warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions contained herein.
  • Page 3 Preface H3C S6520X-EI & S6520X-HI Switch Series Installation Guide describes the appearance, installation, power-on, maintenance, and troubleshooting of the H3C S6520X-EI & S6520X-HI Switch Series. This preface includes the following topics about the documentation: • Audience. • Conventions. • Documentation feedback.
  • Page 4 Convention Description Multi-level menus are separated by angle brackets. For example, File > Create > > Folder. Symbols Convention Description An alert that calls attention to important information that if not understood or followed WARNING! can result in personal injury. An alert that calls attention to important information that if not understood or followed CAUTION: can result in data loss, data corruption, or damage to hardware or software.
  • Page 5 It is normal that the port numbers, sample output, screenshots, and other information in the examples differ from what you have on your device. Documentation feedback You can e-mail your comments about product documentation to info@h3c.com. We appreciate your comments.

  • Page 6: Table Of Contents

    Contents 1 Preparing for installation ·········································································· 1-1 Safety recommendations ································································································································ 1-1 Examining the installation site ························································································································· 1-1 Temperature/humidity ····························································································································· 1-2 Cleanliness ·············································································································································· 1-2 Corrosive gas limit ··································································································································· 1-2 EMI ·························································································································································· 1-3 Laser safety ············································································································································· 1-4 Installation tools ·············································································································································· 1-4 2 Installing the switch ·················································································· 2-5 Installing the switch in a 19-inch rack··············································································································...
  • Page 7 Solution ················································································································································· 5-42 Fan tray failure ·············································································································································· 5-42 Configuration terminal display issues············································································································ 5-42 No display ············································································································································· 5-42 Garbled display ····································································································································· 5-43...

  • Page 8: Preparing For Installation

    Preparing for installation This document is applicable to the following Ethernet switches: • S6520X-30QC-EI • S6520X-54QC-EI • S6520X-30HC-EI • S6520X-54HC-EI • S6520X-30QC-HI • S6520X-54QC-HI • S6520X-30HC-HI • S6520X-54HC-HI Safety recommendations To avoid any equipment damage or bodily injury caused by improper use, read the following safety recommendations before installation.

  • Page 9: Temperature/Humidity

    To ensure correct operation and long service life of your switch, install it in an environment that meets the requirements described in the following subsections. Temperature/humidity For correct operation and long service life of your switch, maintain the temperature and humidity in the equipment room at acceptable ranges.

  • Page 10: Emi

    Table1-2 Corrosive gas concentration limits in the equipment room Average concentration (mg/m Maximum concentration (mg/m 0.01 0.03 0.05 CAUTION: As a best practice, control the corrosive gas concentrations in the equipment room at their average values. Make sure the corrosive gas concentrations do not exceed 30 minutes per day at their maximum values.

  • Page 11: Laser Safety

    • Use electromagnetic shielding, for example, shielded interface cables, when necessary. • To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning strikes, route interface cables only indoors. Laser safety WARNING! The switch is Class 1 laser device. Disconnected optical fibers or transceiver modules might emit invisible laser light.

  • Page 12: Installing The Switch

    Installing the switch CAUTION: Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want to open the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for any consequence.
  • Page 13 Figure2-1 Hardware installation flow Start Install the switch Ground the switch Install fan trays Install power supplies Connect the power cords Verify the installation Turn on the circuit Troubleshoot the switch breakers Turn off the circuit Operating correctly? breakers Install expansion cards? Install expansion cards Operating correctly?

  • Page 14: Installing The Switch In A 19-Inch Rack

    Installing the switch in a 19-inch rack Front and rear mounting brackets are required to mount the switch in a 19-inch rack. Follow these guidelines to use the front and rear mounting brackets: • Select an installation position for the front mounting brackets as required: near the power supply side or port side.

  • Page 15: Rack-Mounting The Switch

    Figure2-4 Rear mounting bracket and shoulder screw (1) Screw hole for attaching the bracket to the rack (2) Shoulder screw Rack-mounting the switch Attaching the front mounting brackets and shoulder screws to the switch The switch provides two installation positions on its side for the front mounting brackets. One is near the power supply side and one is near the port side.
  • Page 16 Attaching the rear mounting brackets to the rack Determine the switch installation position in the rack. Install cage nuts (user-supplied) in the rear rack posts. Make sure the corresponding cage nuts on the left and right rear rack posts are at the same height. Orient the rear mounting brackets with the wide flange inside or outside the rack as required.
  • Page 17 Figure2-7 Attaching the rear mounting brackets to the rack with the wide flange outside the rack Mounting the switch in the rack Wear an ESD wrist strap. Make sure the strap makes good skin contact and is reliably grounded. Make sure the front mounting brackets and shoulder screws are securely attached to the two sides of the switch.

  • Page 18: Mounting The Switch On A Workbench

    Figure2-8 Mounting the switch in the rack (with the wide flange of the rear mounting brackets inside the rack) Figure2-9 Mounting the switch in the rack (with the wide flange of the rear mounting brackets outside the rack) Mounting the switch on a workbench IMPORTANT: •...

  • Page 19: Grounding The Switch

    Correctly connecting the grounding cable is crucial to lightning protection and EMI protection. For information about lightning protection for the switch, see H3C Lightning Protection Guide. The power input end of the switch has a noise filter, whose central ground is directly connected to the chassis to form the chassis ground (commonly known as PGND).

  • Page 20: Grounding The Switch With A Grounding Conductor Buried In The Earth Ground

    Figure2-10 Connecting the grounding cable to the chassis (1) Grounding screw (2) Ring terminal (3) Grounding sign (4) Grounding hole (5) Grounding cable Connecting the grounding cable to a grounding strip Cut the grounding cable to a length required for connecting to the grounding strip. Use diagonal pliers to strip 20 mm (0.79 in) of insulation off the end of the grounding cable.

  • Page 21: Installing And Removing A Fan Tray

    Weld the yellow-green grounding cable to the angel iron or steel tube and treat the joint for corrosion protection. Figure2-12 Grounding the switch by burying the grounding conductor into the earth ground (1) Grounding screw (2) Chassis rear panel (3) Grounding cable (4) Earth (5) Welding point (6) Grounding conductor...

  • Page 22: Removing A Fan Tray

    Unpack the fan tray and verify that the fan tray model is as required. Orient the fan tray with the TOP mark facing up. Align the fan tray with the fan tray slot. Holding the fan tray handles, slide the fan tray into the slot along the guide rails.

  • Page 23: Installing And Removing A Power Supply

    Figure2-14 Removing a fan tray Installing and removing a power supply WARNING! • To avoid bodily injury or switch damage, strictly follow the procedures in Figure2-15 Figure2-16 to install and remove a power supply. • You must provide a circuit breaker for each power supply. Figure2-15 Installation procedure Turn on the circuit 安装电源模块...

  • Page 24: Removing A Power Supply

    Keep the removed filler panel secure for future use. Figure2-17 Removing the filler panel from the target power supply slot Unpack the power supply. Make sure the power supply model is as required. Keep the packaging box and packaging bag for the power supply secure for future use. Correctly orient the power supply.
  • Page 25 Press the latch on the power supply towards the handle side, and pull the power supply part way out of the slot along the guide rails. Grasping the handle of the power supply with one hand and supporting module bottom with the other, pull the power supply slowly out of the slot along the guide rails.

  • Page 26: Connecting The Power Cord

    Figure2-20 Removing the power cord from a PSR450-12D power supply (1) Use a flathead screwdriver to loosen the two screws on the power cord connector (2) Pull the power cord connector out Connecting the power cord Connecting the power cord for a PSR250-12A or PSR250-12A1 power supply The power cord connection procedure is the same for the PSR250-12A and PSR250-12A1 power supplies.

  • Page 27: Connecting The Dc Power Cord For A Psr450-12D Power Supply

    Figure2-21 Connecting the power cord for a PSR250-12A1 power supply Connecting the DC power cord for a PSR450-12D power supply Correctly orient the DC power cord connector and insert it into the DC power input receptacle on the power supply, as shown by callout 1 in Figure2-22. If you orient the DC power cord connector upside down, you cannot insert it into the DC power input receptacle.

  • Page 28: Installing And Removing An Expansion Card

    Figure2-22 Connecting the DC power cord for a PSR450-12D power supply Installing and removing an expansion card CAUTION: • Do not touch the surface-mounted components on an expansion card directly with your hands. • Do not use excessive force when you install or remove an expansion card. •...
  • Page 29 Figure2-23 Removing the filler panel from the target expansion slot Unpack the expansion card. (Optional.) If the expansion card has an ejector lever, perform the following steps to install it: a. Fully open the ejector lever, as shown by callout 1 in Figure2-24. b.

  • Page 30: Removing An Expansion Card

    (Optional.) If the expansion card does not have an ejector lever, perform the following steps to install it: a. Gently push the expansion card into the slot along the guide rails until the expansion card has good contact with the chassis. See callout 1 in Figure2-25. b.
  • Page 31 NOTE: For information about lightning protection for the switch, see H3C Lightning Protection Guide. 2-24...

  • Page 32: Accessing The Switch For The First Time

    As a best practice, use a serial console cable for connection. The switch is not provided with a serial console cable or a micro USB console cable. Purchase a serial console cable from H3C or prepare a micro USB console cable yourself. Table3-1 Connection methods and console cables...

  • Page 33: Connecting A Db9-To-Rj45 Console Cable

    Connecting a DB9-to-RJ45 console cable CAUTION: Follow these guidelines when you connect a DB9-to-RJ45 console cable: • Identify the mark on the serial console port and make sure you are connecting to the correct port. • The serial ports on PCs do not support hot swapping. To connect a PC to an operating switch, first connect the PC end.

  • Page 34: Connecting A Usb-To-Rj45 Console Cable

    Click the following link, or copy it to the address bar on your browser and download the USB-to-RJ45 console driver. http://www.h3c.com/en/home/USB_to_RJ45_Console/ View the TXT file Read me in the Windows folder to check whether the Windows system of the configuration terminal supports the driver.
  • Page 35 Figure3-4 Driver installation wizard Click Finish after the drive installation is completed. Figure3-5 Finishing the driver installation Connect the standard USB connector of the cable to the USB port of the configuration terminal. 3-28...

  • Page 36: Connecting A Micro Usb Console Cable

    Click the following link, or copy it to the address bar on the browser to log in to download and install the USB console driver on the configuration terminal. http://www.h3c.com/en/home/USB_Console/ Select a driver program according to the operating system you use: XR21V1410_XR21B1411_Windows_Ver1840_x86_Installer.EXE—32-bit operating...
  • Page 37 Figure3-7 Device Driver Installation Wizard Click Continue Anyway if the following dialog box appears. Figure3-8 Software Installation Click Finish. 3-30...

  • Page 38: Setting Terminal Parameters

    Figure3-9 Completing the device driver installation wizard Setting terminal parameters To configure and manage the switch through the console port, you must run a terminal emulator program, such as TeraTermPro, on your configuration terminal. You can use the emulator program to connect a network device, a Telnet site, or an SSH site.

  • Page 39: Powering On The Switch

    After the startup process is completed, you can access the CLI to configure the switch. For more information about the configuration commands, see H3C S6520X-EI & S6520X-HI Switch Series Configuration Guides and H3C S6520X-EI & S6520X-HI Switch Series Command References.

  • Page 40: Setting Up An Irf Fabric

    Setting up an IRF fabric You can use H3C IRF technology to connect and virtualize S6520X-EI or S6520X-HI switches into a large virtual switch called an "IRF fabric" for flattened network topology, and high availability, scalability, and manageability. An S6520X-EI or S6520X-HI switch can set up an IRF fabric only with switches from the same switch series.

  • Page 41: Planning Irf Fabric Setup

    "Connecting the power cord." power cords Power on the switches See H3C S6520X-EI & S6520X-HI Switch Series Virtual Configure basic IRF settings Technologies Configuration Guide, depending on the software version. Connect physical IRF ports on switches. Connect the physical IRF ports All switches except the master switch automatically reboot, and the IRF fabric is established.

  • Page 42: Identifying The Master Switch And Planning Irf Member Ids

    CLI of the master switch. IRF member switches automatically elect a master. You can affect the election result by assigning a high member priority to the intended master switch. For more information about master election, see H3C S6520X-EI & S6520X-HI Switch Series Virtual Technologies Configuration Guide.

  • Page 43: Identifying Physical Irf Ports On The Member Switches

    Figure4-3 IRF fabric in ring topology IRF-port1 IRF-port2 IRF-port2 IRF-port1 IRF-port1 IRF-port2 Identifying physical IRF ports on the member switches Identify the physical IRF ports on the member switches according to your topology and connection scheme. Table4-1 shows the physical ports that can be used for IRF connection and the port use restrictions. Table4-1 Candidate physical IRF ports and their use restrictions Chassis Candidate physical IRF ports...

  • Page 44: Planning The Cabling Scheme

    For a long-distance IRF connection, use SFP+/QSFP+/SFP28/QSFP28 transceiver modules and optical fibers. The following subsections describe several H3C recommended IRF connection schemes by using SFP+ cables and SFP+ transceiver modules and fibers. All these schemes use a ring topology. IMPORTANT: In these schemes, all physical IRF ports are located on the same side.
  • Page 45 Connecting the IRF member switches in one rack Connect the IRF member switches (9 switches in this example) in a rack as shown in Figure4-4. The switches in the ring topology (see Figure4-5) are in the same order as connected in the rack. Figure4-4 Connecting the switches in one rack 4-38...
  • Page 46 Figure4-5 IRF fabric topology 4-39...

  • Page 47: Configuring Basic Irf Settings

    • Execute the command to verify the basic IRF settings. display irf configuration For more information about configuring basic IRF settings, see H3C S6520X-EI & S6520X-HI Switch Series Virtual Technologies Configuration Guide. Connecting the physical IRF ports twisted pair/SFP+/QSFP+/SFP28/QSFP28...
  • Page 48 To avoid IP address collision and network problems, configure a minimum of one multi-active detection (MAD) mechanism to detect the presence of multiple identical IRF fabrics and handle collisions. For more information about MAD detection, see H3C S6520X-EI & S6520X-HI Switch Series Virtual Technologies Configuration Guide.

  • Page 49: Maintenance And Troubleshooting

    PWR1 or PWR2 LED on the front panel of the switch. For more information about the PWR1 and PWR2 LEDs, see H3C PSR250-12A & PSR250-12A1 Power supplies User Manual and H3C PSR450 Power Supply Series User Manual...
  • Page 50 Verify that the power supply is supplying power to the switch correctly. Verify that the console cable is correctly connected. Verify that the console cable does not have any issues and the terminal settings are correct. If the issue persists, contact H3C Support. Garbled display Symptom The display on the configuration terminal is garbled.
  • Page 51 Product models and technical specifications Product models H3C S6520X-EI switch series includes the following models: • S6520X-30QC-EI • S6520X-54QC-EI • S6520X-30HC-EI • S6520X-54HC-EI H3C S6520X-HI switch series includes the following models: • S6520X-30QC-HI • S6520X-54QC-HI • S6520X-30HC-HI • S6520X-54HC-HI Technical specifications...
  • Page 52 S6520X-30QC-EI S6520X-54QC-EI S6520X-30HC-EI S6520X-54HC-EI Item S6520X-30QC-HI S6520X-54QC-HI S6520X-30HC-HI S6520X-54HC-HI • AC input for the PSR250-12A/PSR250-12A1 power supply: Rated voltage range: 100 to 240 VAC @ 50/60 Hz  Max voltage range: 90 to 264 VAC @ 47 to 63 Hz ...
  • Page 53 Chassis views S6520X-30QC-EI & S6520X-30QC-HI Figure2-1 Front panel 4 5 6 (1) SFP+ port (2) SFP+ port LED (3) Management Ethernet port (4) Console port (CONSOLE) (5) Micro USB console port (6) Mode LED (MODE) (7) USB port (8) Mode button (9) System status LED (SYS) (10) Expansion card 2 status LED (SLOT2) (11) Expansion card 1 status LED (SLOT1)
  • Page 54 S6520X-54QC-EI & S6520X-54QC-HI Figure2-3 Front panel (1) SFP+ port (2) SFP+ port LED (3) Management Ethernet port (4) Console port (CONSOLE) (5) Micro USB console port (6) Mode LED (MODE) (7) USB port (8) Mode button (9) System status LED (SYS) (10) Expansion card 2 status LED (SLOT2) (11) Expansion card 1 status LED (SLOT1) (12) Power supply 2 status LED (PWR2)
  • Page 55 S6520X-30HC-EI & S6520X-30HC-HI Figure2-5 Front panel 4 5 6 (1) SFP+ port (2) SFP+ port LED (3) Management Ethernet port (4) Console port (CONSOLE) (5) Micro USB console port (6) Mode LED (MODE) (7) USB port (8) Mode button (9) System status LED (SYS) (10) Expansion card 2 status LED (SLOT2) (11) Expansion card 1 status LED (SLOT1) (12) Power supply 2 status LED (PWR2)
  • Page 56 S6520X-54HC-EI & S6520X-54HC-HI Figure2-7 Front panel (1) SFP+ port (2) SFP+ port LED (3) Management Ethernet port (4) Console port (CONSOLE) (5) Micro USB console port (6) Mode LED (MODE) (7) USB port (8) Mode button (9) System status LED (SYS) (10) Expansion card 2 status LED (SLOT2) (11) Expansion card 1 status LED (SLOT1) (12) Power supply 2 status LED (PWR2)
  • Page 57 Removable components and compatibility matrixes Table3-1 Compatibility matrix between switches and removable components S6520X-30QC-EI S6520X-30HC-EI S6520X-30QC-HI S6520X-30HC-HI FRU model S6520X-54QC-EI S6520X-54HC-EI S6520X-54QC-HI S6520X-54HC-HI Removable power supplies PSR250-12A Supported Supported PSR250-12A1 Supported Supported PSR450-12D Supported Supported Removable fan trays LSWM1FANSCE Supported Supported LSWM1FANSCB Supported...
  • Page 58 LSWM1FANSCE—From the power supply side to the port side Airflow direction • LSWM1FANSCBE—From the port side to the power supply side Reference H3C LSWM1FANSCE & LSWM1FANSCBE Fan Trays User Guide Expansion cards Table3-4 Expansion cards available for the switch Item Specifications...
  • Page 59 Table4-3 Available transceiver modules 10-GE SFP+ transceiver modules and cables described in Table4-4 and cables Table4-5. H3C LSWM2SP8PM & LSWM2SP8P Interface Cards User Manual Reference LSWM4SP8PM Description 8-port 10GE SFP+ interface module Port type and quantity Eight 1/10 Gbps SFP+ fiber ports...
  • Page 60 Port type and quantity Eight 10G/5G/2.5G/1000BASE-T autosensing Ethernet ports Port specifications Table4-16 for the port specifications. Reference H3C LSWM2MGT8P & LSWM2XMGT8P Interface Cards User Manual LSWM2MGT8P Description 8-port 1/2.5/5GBASE-T interface module Port type and quantity Eight 5G/2.5G/1000BASE-T autosensing Ethernet ports...
  • Page 61 • Do not bundle cables in their first 20 m (65.62 ft). • Separate power cords and twisted pair cables at and around the distribution frame. • For ports adjacent to one another on the device, the peer ports on the distribution frame is preferably not adjacent, for example: •...
  • Page 62 NOTE: USB devices from different vendors vary in compatibilities and drivers. H3C does not guarantee the correct operation of USB devices from all vendors on the switch. If a USB device fails to operate on...
  • Page 63 SFP+ port The switch provides fixed SFP+ ports on the front panel. The LSWM2SP2PB, LSWM2SP4PB, LSWM4SP8PM, and LSWM2SP8P interface modules also provide SFP+ ports. To connect peer SFP+ ports over a long distance, use SFP/SFP+ transceiver modules and fibers. To connect peer SFP+ ports over a short distance, use SFP/SFP+ cables.
  • Page 64 GE SFP Central Cable/Fiber Modal transceiver wavelength Connector type and bandwidth transmission module and (nm) diameter (µm) (MHz × km) distance cable SFP-GE-LH40- Single-mode, 40 km (24.86 1310 SM1310-D 9/125 miles) SFP-GE-LH40- Single-mode, 40 km (24.86 1550 SM1550 9/125 miles) SFP-GE-LH40- Single-mode, 40 km (24.86...
  • Page 65 Central Fiber Modal 10-GE SFP+ wavelength Connector diameter bandwidth transmission module (nm) (µm) (MHz × km) distance 82 m (269.03 ft) 66 m (216.54 ft) 33 m (108.27 ft) Multi-mode, 62.5/125 26 m (85.30 ft) 2000 300 m (984.25 ft) Multi-mode, 82 m (269.03 ft) 50/125...
  • Page 66 Central Fiber Modal 10-GE SFP+ wavelength Connector diameter bandwidth transmission module (nm) (µm) (MHz × km) distance TX: 1330 SFP-XG-LH40 Single-mode, 40 km (24.86 miles) -SM1330-BIDI 9/125 RX: 1270 TX: 1490 SFP-XG-LH80 Single-mode, 80 km (49.71 miles) -SM1490-BIDI 9/125 RX: 1550 TX: 1550 SFP-XG-LH80 Single-mode,...
  • Page 67 • As a best practice, use H3C transceiver modules and network cables for the switch. • The H3C transceiver modules and network cables are subject to change over time. For the most recent list of H3C transceiver modules and cables, contact H3C Support or marketing staff.
  • Page 68 • As a best practice, use H3C transceiver modules and network cables for the switch. • The H3C transceiver modules and network cables are subject to change over time. For the most recent list of H3C transceiver modules and cables, contact H3C Support or marketing staff.
  • Page 69 Table4-9 QSFP+ transceiver modules available for the QSFP+ ports QSFP+ Central Modal Fiber type and transceiver wavelength Connector bandwidth transmission diameter (µm) module (nm) (MHz × km) distance 2000 100 m (328.08 ft) QSFP-40G-S Multi-mode, R4-MM850 50/125 4700 150 m (492.12 ft) 2000 300 m (984.25 ft) QSFP-40G-C...
  • Page 70 Table4-12 QSFP+ fiber cables available for the QSFP+ ports QSFP+ to SFP+ cable Max transmission distance QSFP-40G-D-AOC-3M 3 m (9.84 ft) QSFP-40G-D-AOC-7M 7 m (22.97 ft) QSFP-40G-D-AOC-10M 10 m (32.81 ft) QSFP-40G-D-AOC-20M 20 m (65.62 ft) Figure4-3 40G QSFP+ cable (1) QSFP+ module (2) Pull latch Figure4-4 40G QSFP+ to SFP+ cable...
  • Page 71 • As a best practice, use H3C transceiver modules and network cables for the switch. • The H3C transceiver modules and network cables are subject to change over time. For the most recent list of H3C transceiver modules and cables, contact H3C Support or marketing staff.
  • Page 72 • As a best practice, use H3C transceiver modules and network cables for the switch. • The H3C transceiver modules and network cables are subject to change over time. For the most recent list of H3C transceiver modules and cables, contact H3C Support or marketing staff.
  • Page 73 10G/5G/2.5G/1000BASE-T autosensing Ethernet ports The LSWM2XMGT8P interface module provides 10G/5G/2.5G/1000BASE-T autosensing Ethernet ports. Table4-16 describes the 10G/5G/2.5G/1000BASE-T autosensing Ethernet port specifications. Table4-16 10G/5G/2.5G/1000BASE-T autosensing Ethernet port specifications Item Specification Connector type RJ-45 Rate, duplex mode, and 1/2.5/5/10 Gbps, full-duplex, auto MDI/MDI-X auto-MDI/MDI-X •...
  • Page 74 LED mark Status Description Flashing green (1 Hz) The switch is performing power-on self test (POST). Steady red The switch has failed the POST or is faulty. The switch is powered off. Power supply status LED The switch provides two power supply slots on the rear panel. The power status LEDs PWR1 and PWR2 on the front panel show the operating status of power supply 1 (PWR1) and power supply 2 (PWR2), respectively.
  • Page 75 Management Ethernet port LED (ACT/LINK) status Description Flashing yellow The port is sending or receiving data. No link is present on the port. SFP+ port LED Table4-22 SFP+ port LED description SFP+ port LED MODE LED status Description status A link is present on the port and the port is operating at 10 Steady green Gbps.
  • Page 76 Table4-24 QSFP28 port LED description LED status Description Steady green A link is present on the port and the port is operating at 100 Gbps. Flashing green The port is sending or receiving data at 100 Gbps. Steady yellow A link is present on the port and the port is operating at 40 Gbps. Flashing yellow The port is sending or receiving data at 40 Gbps.
  • Page 77 Appendix D Cooling system To dissipate heat timely and enhance system stability, the switch uses a high-performance cooling system. Consider the site ventilation design when you plan the installation site for the switch. The switch uses removable fan trays. They provide airflow from the port side to the power supply side or from power supply side to the port side by using different types of fan trays.

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