HP 5130 EI Switch Series
Part number: 5998-5492c
Document version: 6W102-20150817

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   Summary of Contents for HP 5130 EI Switch Series

  • Page 1: Installation Guide

    HP 5130 EI Switch Series Installation Guide Part number: 5998-5492c Document version: 6W102-20150817...

  • Page 2

    The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.

  • Page 3: Table Of Contents

    Grounding the switch with a grounding conductor buried in the earth ground ············································· 13 Grounding the switch by using the PE wire of the AC power cord ································································· 13 Installing and removing a power supply (HP 5130-24G-SFP-4SFP+ EI switch) ······················································ 14 Installing a power supply ····································································································································· 15 Removing a power supply ····································································································································...

  • Page 4: Table Of Contents

    Appendix A Chassis views and technical specifications ··························································································· 34 Chassis views ································································································································································· 34 HP 5130-24G-4SFP+ EI/HP 5130-24G-4SFP+ EI BR ······················································································· 34 HP 5130-24G-PoE+-4SFP+ (370W) EI/HP 5130-24G-PoE+-4SFP+ (370W) EI BR ····································· 35 HP 5130-24G-2SFP+-2XGT EI ····························································································································· 35 HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI ···································································································· 36 HP 5130-48G-4SFP+ EI/HP 5130-48G-4SFP+ EI BR ·······················································································...

  • Page 5: Preparing For Installation

    (370W) EI BR switches are assigned Regulatory Model Numbers (RMNs). The RMNs for these switches are listed below. These RMNs should not be confused with the marketing name HP 5130 EI, or product codes JG932A, JG933A, JG934A, JG936A, JG937A, JG938A, JG939A, JG940A, JG941A, JG975A, JG976A, JG977A, and JG978A.

  • Page 6: Safety Recommendations

    • Examining the installation site The HP 5130 EI switches must be used indoors. You can mount your switch in a rack or on a workbench, but make sure: Adequate clearance is reserved at the air inlet and exhaust vents for ventilation.

  • Page 7: 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 Maintain temperature and humidity in the equipment room as described in "Technical specifications." Lasting high relative humidity can cause poor insulation, electricity creepage, mechanical property •...

  • Page 8: Laser Safety

    WARNING! Do not stare into any fiber port when the switch has power. The laser light emitted from the optical fiber might hurt your eyes. The HP 5130 EI switches are Class 1 laser devices. Installation tools Flat-blade screwdriver •...

  • Page 9

    • HP 5130-48G-PoE+-4SFP+ (370W) EI • HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI 5184-6729 • HP 5130-48G-PoE+-2SFP+-2XGT (370W) EI • HP 5130-24G-PoE+-4SFP+ (370W) EI BR • HP 5130-48G-PoE+-4SFP+ (370W) EI BR DC power cord 5185-9443 PSR150-D1 Console cable 5184-6719 All 5130 EI switches...

  • Page 10: 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 HP for permission. Otherwise, HP shall not be liable for any consequence. Figure 1 Hardware installation flow...

  • Page 11: Attaching The Mounting Brackets To The Switch

    (2 ) Screw hole for attaching the bracket to the rack post Attaching the mounting brackets to the switch The HP 5130-24G-4SFP+ EI, HP 5130-24G-4SFP+ EI BR, HP 5130-48G-4SFP+ EI BR, HP 5130-24G-PoE+-4SFP+ (370W) EI BR, HP 5130-24G-PoE+-4SFP+ (370W) EI,...

  • Page 12

    Repeat step to attach the other mounting bracket to the chassis. Figure 4 Attaching a two-hole mounting bracket to the front mounting position on an HP 5130-24G-4SFP+ EI switch Figure 5 Attaching a two-hole mounting bracket to the rear mounting position on an HP...

  • Page 13: Rack-mounting The Switch

    Figure 7 Attaching a four-hole mounting bracket to the rear mounting position on an HP 5130-24G-SFP-4SFP+ EI switch Figure 8 Attaching a four-hole mounting bracket to the mid-mounting position on an HP 5130-24G-SFP-4SFP+ EI switch Rack-mounting the switch This task requires two people. To mount the switch in the rack: Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

  • Page 14: Mounting The Switch On A Workbench

    Figure 10 Mounting an HP 5130-24G-SFP-4SFP+ EI switch by the rear mounting position Figure 11 Mounting an HP 5130-24G-SFP-4SFP+ EI switch by the mid-mounting position Mounting the switch on a workbench IMPORTANT: Ensure 10 cm (3.9 in) of clearance around the chassis for heat dissipation.

  • Page 15: Grounding The Switch

    Figure 12 Mounting the switch on a workbench Grounding the switch WARNING! Correctly connecting the switch grounding cable is crucial to lightning protection and EMI protection. 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 16

    Figure 13 Connecting the grounding cable to the grounding hole of the switch (1) Chassis rear panel (2) Grounding sign (3) Grounding hole (4) Ring terminal (5) Grounding cable (6) Grounding screw Connect the other end of the grounding cable to the grounding strip. Cut the grounding cable to a length according to the distance between the switch and the grounding strip.

  • Page 17: Grounding The Switch With A Grounding Conductor Buried In The Earth Ground

    Grounding the switch with a grounding conductor buried in the earth ground If the installation site has no grounding strips, but earth ground is available, hammer a 0.5 m (1.64 ft) or longer angle iron or steel tube into the earth ground to serve as a grounding conductor. The dimensions of the angle iron must be at least 50 ×...

  • Page 18: Installing And Removing A Power Supply (hp 5130-24g-sfp-4sfp+ Ei Switch)

    Provide a circuit breaker for each power supply and make sure the circuit breaker is off before installation. The HP 5130-24G-SFP-4SFP+ EI switch provides two power supply slots and comes with power supply slot 1 empty and a filler panel in power supply slot 2. You can install one power supply, or two power supplies redundancy.

  • Page 19: Installing A Power Supply

    Figure 18 Removal procedure Turn off the circuit Remove the power 将电源模块断电 将电源模块断电 将电源模块断电 拆卸电源线 拆卸电源线 拆卸电源线 拆卸电源模块 拆卸电源模块 拆卸电源模块 Remove the power cord breaker supply The installation and removal procedures are the same for the PSR150-A1 and PSR150-D1 power supplies. This guide uses the PSR150-A1 power supply as an example.

  • Page 20: Connecting The Power Cord

    Connecting the switch to • HP 5130-24G-2SFP+-2XGT EI AC power source an AC power source • HP 5130-24G-4SFP+ EI BR Connecting the switch to AC power source an AC power source • HP 5130-48G-4SFP+ EI –48 V DC power source in the Connecting the switch to a •...

  • Page 21: Connecting The Switch To An Ac Power Source

    HP A-RPS1600 an RPS The HP 5130-24G-SFP-4SFP+ EI switch provides two power supply slots. The PSR150-A1 and PSR150-D1 power supplies are available for the HP 5130-24G-SFP-4SFP+ EI switch. The PSR150-A1 power supply supports AC power input. The PSR150-D1 power supply supports –48 V DC power input and RPS power input.

  • Page 22: Connecting The Switch To A –48 Vdc Power Source

    Figure 23 Using the cable tie to secure the AC power cord Connecting the switch to a –48 VDC power source CAUTION: To connect the switch to a –48 VDC power source, you can only use a DC power cord provided by HP. • •...

  • Page 23: Connecting The Switch To An Rps

    Connecting the switch to an RPS CAUTION: To connect the switch to an HP RPS, you can only use the power cord that is provided with the RPS. To connect the switch to an RPS: Correctly orient the plug with the power receptacle on the power supply, and insert the plug into...

  • Page 24

    The grounding cable is securely connected. • The correct power source is used. • The power cords are correctly connected. • • All the interface cables are cabled indoors. If any cable is routed outdoors, verify that the socket strip with lightning protection and lightning arresters for network ports have been correctly connected.

  • Page 25: Accessing The Switch For The First Time, Connecting The Console Cable

    Accessing the switch for the first time Setting up the configuration environment The first time you access the switch you must use a console cable to connect a configuration terminal, for example, a PC, to the console port on the switch, as shown in Figure Figure 26 Connecting the console port to a terminal Connecting the console cable...

  • Page 26: Setting Terminal Parameters, Powering On The Switch

    RJ-45 Signal DB-9 Signal To connect a terminal (for example, a PC) to the switch: Plug the DB-9 female connector of the console cable to the serial port of the PC. Connect the RJ-45 connector to the console port of the switch. NOTE: Identify the mark on the console port and make sure you are connecting to the correct port.

  • Page 27

    After the startup completes, you can access the CLI to configure the switch. For more information about the configuration commands and CLI, see HP 5130 EI Switch Series Configuration Guides and HP 5130 EI Switch Series Command References.

  • Page 28: Setting Up An Irf Fabric

    Setting up an IRF fabric You can use HP IRF technology to connect and virtualize HP 5130 EI switches into a large virtual switch called an "IRF fabric" for flattened network topology, and high availability, scalability, and manageability. IRF fabric setup flowchart...

  • Page 29: Planning Irf Fabric Setup

    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 HP 5130 EI Switch Series IRF Configuration Guide.

  • Page 30: Planning Irf Topology And Connections

    1 on one switch to the physical ports of IRF-port 2 on the other switch. The HP 5130 EI switches can provide 10-GE IRF connections through 1/10 GE Ethernet ports or SFP+ ports, and you can bind several 1/10 GE Ethernet ports or SFP+ ports to an IRF port for increased bandwidth and availability.

  • Page 31: Identifying Physical Irf Ports On The Member Switches

    If the IRF member switches are all in one equipment room, choose twisted pair cables or SFP+ DAC cables. HP recommends that you use ring topology to connect the switches. The following describes cabling schemes in ring topology.

  • Page 32

    Figure 31 Connecting the switches in one rack Figure 32 IRF fabric topology Connecting the IRF member switches in a ToR solution You can install IRF member switches in different racks side by side to deploy a top of rack (ToR) solution. Figure 33 shows an example for connecting 9 top of rack IRF member switches by using SFP+ transceiver modules and optical fibers.

  • Page 33: Configuring Basic Irf Settings

    IRF port binding before or after connecting IRF physical ports depending on the software release. Execute the display irf configuration command to verify the basic IRF settings. • For more information about configuring basic IRF settings, see HP 5130 EI Switch Series IRF Configuration Guide. Connecting the physical IRF ports Use twisted pair cables, SFP+ DAC cables, or SFP+ transceiver modules and fibers to connect the IRF member switches as planned.

  • Page 34

    To avoid IP address collision and network problems, configure at least one multi-active detection (MAD) mechanism to detect the presence of multiple identical IRF fabrics and handle collisions. For more HP 5130 EI Switch Series IRF Configuration Guide information about MAD detection, see...

  • Page 35: Maintenance And Troubleshooting

    The HP 5130-24G-4SFP+ EI, HP 5130-24G-2SFP+-2XGT EI, and HP 5130-24G-4SFP+ EI BR switches use fixed power supplies and support only AC power input. The HP 5130-24G-PoE+-4SFP+ (370W) EI, HP 5130-48G-4SFP+ EI, HP 5130-24G-PoE+-4SFP+ (370W) EI BR, HP 5130-48G-PoE+-4SFP+ (370W) EI BR,...

  • Page 36: Hot-swappable Power Supply Failure

    If the problem persists, contact HP Support. Hot-swappable power supply failure The HP 5130-24G-SFP-4SFP+ EI switch uses hot-swappable power supplies. You can determine the power supply operating status by examining the power supply LEDs PWR1 and PWR2 on the switch front panel.

  • Page 37: Configuration Terminal Problems

     Flow control—None.  Verify that the console cable is not faulty. If the problem persists, contact HP support. Garbled display on the configuration terminal The configuration terminal displays garbled text. To resolve the problem: Verify that the following settings are configured for the terminal: Baud rate—9600.

  • Page 38: Appendix A Chassis Views And Technical Specifications

    Appendix A Chassis views and technical specifications Chassis views HP 5130-24G-4SFP+ EI/HP 5130-24G-4SFP+ EI BR Figure 34 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) SFP+ port (3) Console port (4) 10/100/1000Base-T autosensing Ethernet port LED (5) SFP+ port LED...

  • Page 39: Hp 5130-24g-poe+-4sfp+ (370w) Ei/hp 5130-24g-poe+-4sfp+ (370w) Ei Br

    HP 5130-24G-PoE+-4SFP+ (370W) EI/HP 5130-24G-PoE+-4SFP+ (370W) EI BR Figure 36 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) SFP+ port (3) Console port (4) Port LED mode switching button (5) Port mode LED (6) 10/100/1000Base-T autosensing Ethernet port (7) SFP+ port LED...

  • Page 40: Hp 5130-24g-poe+-2sfp+-2xgt (370w) Ei

    Figure 39 Rear panel (1) AC-input power receptacle (2) Grounding screw HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI Figure 40 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) SFP+ port (3) 1/10GBase-T autosensing Ethernet port (4) Console port (5) Port LED mode switching button...

  • Page 41: Hp 5130-48g-4sfp+ Ei/hp 5130-48g-4sfp+ Ei Br

    HP 5130-48G-4SFP+ EI/HP 5130-48G-4SFP+ EI BR Figure 42 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) 10/100/1000Base-T autosensing Ethernet port (3) Console port (4) SFP+ port LED (5) SFP+ port (6) System status LED (SYS) (7) RPS status LED (RPS)

  • Page 42: Hp 5130-48g-2sfp+-2xgt Ei

    Figure 45 Rear panel (1) Grounding screw (2) AC-input power receptacle (3) RPS receptacle HP 5130-48G-2SFP+-2XGT EI Figure 46 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) 10/100/1000Base-T autosensing Ethernet port LED (3) SFP+ port (4) Console port (5) 1/10GBase-T autosensing Ethernet port...

  • Page 43: Hp 5130-48g-poe+-2sfp+-2xgt (370w) Ei

    HP 5130-48G-PoE+-2SFP+-2XGT (370W) EI Figure 48 Front panel (1) 10/100/1000Base-T autosensing Ethernet port (2) 10/100/1000Base-T autosensing Ethernet port LED (3) SFP+ port (4) Console port (5) Port LED mode switching button (6) Port mode LED (7) System status LED (SYS)

  • Page 44: Technical Specifications

    (3) Power supply slot 2 The HP 5130-24G-SFP-4SFP+ EI switch comes with no power supply or filler panel in power supply slot 1 and a filler panel in power supply slot 2. You can install one or two power supplies for the switch as needed.

  • Page 45

    DC power source: –48 V DC power source in the • Max voltage: 90 VAC to 264 equipment room or RPS (recommended HP RPS VAC @ 47 to 63 Hz models: A-RPS800 or A-RPS1600) Rated voltage: –48 VDC to –60 VDC ...

  • Page 46

    VAC @ 50 or 60 Max voltage: 90 VAC to 264 VAC @ 47 to 63 Hz  • Input voltage DC power source: HP A-RPS1600 • Max voltage: 90 Rated voltage: –54 VDC to –57 VDC  VAC to 264 VAC •...

  • Page 47

    5130-24G-PoE+-4S 5130-48G-PoE+-4S FP+ (370W) EI FP+ (370W) EI 5130-24G-PoE+-2 5130-48G-PoE+- Item SFP+-2XGT 2SFP+-2XGT (370W) EI (370W) EI 5130-24G-PoE+-4S 5130-48G-PoE+-4S FP+ (370W) EI BR FP+ (370W) EI BR Minimum • • • • AC: 31 W AC: 30 W AC: 47 W AC: 43 W power •...

  • Page 48: Appendix B Frus

    Appendix B FRUs The HP 5130-24G-SFP-4SFP+ EI switch provides two power supply slots. One power supply can meet the power requirement of the switch. You can install two power supplies on the switch for redundancy. Table describes the power supplies available for the HP 5130-24G-SFP-4SFP+ EI switch.

  • Page 49: Appendix C Ports And Leds

    Category-5 (or above) twisted pair cable • IEEE 802.3i • 802.3u Compatible standards • 802.3ab 1/10GBase-T autosensing Ethernet port The HP 5130-24G-2SFP+-2XGT EI, HP 5130-48G-2SFP+-2XGT EI, HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI and HP 5130-48G-PoE+-2SFP+-2XGT (370W) EI switches provide 1/10GBase-T autosensing Ethernet ports.

  • Page 50: Base-x Sfp Port

    IEEE 802.3ab Compatible standards • IEEE 802.3an To avoid packet loss caused by interferences, HP recommends that you layer cables as follows: Use category-6A or above cables and connectors. • Do not bundle cables in their first 20 m (65.62 ft).

  • Page 51

    Central Product HP description wavelength Connector Fiber diameter (µm) transmission code (nm) distance HP X110 100M SFP TX: 1310 JD100A LC BX 10-U RX: 1550 Transceiver 15 km (9.32 Single-mode, 9/125 miles) HP X110 100M SFP TX: 1550nm JD101A LC BX 10-D...

  • Page 52: Sfp+ Port

    Table 18 SFP+ DAC cables available for the SFP+ ports Product code HP description Max transmission distance JD095C HP X240 10G SFP+ SFP+ 0.65m DA Cable 0.65 m (2.13 ft) JD096C HP X240 10G SFP+ SFP+ 1.2m DA Cable 1.2 m (3.94 ft)

  • Page 53: Combo Interface

    HP recommends that you use HP 1000 Mbps SFP transceiver modules, SFP+ transceiver modules, or SFP+ DAC cables for the SFP+ ports on the switch. The HP 1000 Mbps SFP and SFP+ transceiver modules are subject to change over time. For the most up-to-date list of SFP and SFP+ transceiver modules, contact your HP sales representative or technical support engineer.

  • Page 54: Power Supply Status Led

    Power supply status LED The HP 5130-24G-SFP-4SFP+ EI switch provides the PWR1 and PWR2 LEDs on the front panel to indicate the operating status of the power supplies. Table 20 Power supply status LED description LED mark Status Description A power supply is installed in the power supply slot, and the power Steady green supply is outputting power correctly.

  • Page 55: Base-t Autosensing Ethernet Port Led

    The HP 5130-48G-2SFP+-2XGT EI, HP 5130-48G-PoE+-2SFP+-2XGT (370W) EI, HP • 5130-24G-SFP-4SFP+ EI, HP 5130-48G-4SFP+ EI, HP 5130-48G-4SFP+ EI BR, HP 5130-48G-PoE+-4SFP+ (370W) EI, and HP 5130-48G-PoE+-4SFP+ (370W) EI BR switches provide a double-color (green and yellow) LED for each 10/100/1000Base-T autosensing Ethernet port to indicate its operating status.

  • Page 56

    • The HP 5130-24G-2SFP+-2XGT EI, HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI, HP 5130-24G-4SFP+ EI, HP 5130-24G-4SFP+ EI BR, HP 5130-24G-PoE+-4SFP+ (370W) EI, and HP 5130-24G-PoE+-4SFP+ (370W) EI BR switches provide two single-color LEDs for each 10/100/1000Base-T autosensing Ethernet port to indicate its operating status.

  • Page 57: Gbase-t Autosensing Ethernet Port Leds

    The port is not supplying PoE power. 1/10GBase-T autosensing Ethernet port LEDs The HP 5130-48G-2SFP+-2XGT EI and HP 5130-48G-PoE+-2SFP+-2XGT (370W) EI switches provide • a double-color (green and yellow) LED for each 1/10GBase-T autosensing Ethernet port to indicate its operating status.

  • Page 58: Base-x Sfp Port Led

    The port mode LED is operating in PoE mode (applicable to the PoE switch models.) 100/1000Base-X SFP port LED The HP 5130-24G-SFP-4SFP+ EI switch provides a double-color (green and yellow) LED for each 100/1000Base-X SFP port to show its operating status. Table 27 100/1000Base-X SFP port LED description...

  • Page 59: Sfp+ Port Led

    The HP 5130-24G-2SFP+-2XGT EI, HP 5130-24G-PoE+-2SFP+-2XGT (370W) EI, HP • 5130-24G-4SFP+ EI, HP 5130-24G-4SFP+ EI BR, HP 5130-24G-PoE+-4SFP+ (370W) EI, and HP 5130-24G-PoE+-4SFP+ (370W) EI BR switches provide two single-color LEDs for each SFP+ port to indicate its operating status.

  • Page 60

    Status Description Flashing The port is sending or receiving data at 10 Gbps. • No transceiver module is installed in the port, or no 10 Gbps link is present on the port. • The port mode LED is operating in PoE mode (applicable to the PoE switch models.) A transceiver module is installed in the port.

  • Page 61: Appendix D Cooling System

    Appendix D Cooling system The cooling system of the switch includes the air vents in the chassis and fixed fans. To maintain good ventilation for the switch, consider the ventilation design at the installation site when you plan the installation position for the switch. Figure 53 Airflow through the chassis (1) Air inlet side (2) Air outlet side...

  • Page 62: Support And Other Resources

    Related information Documents To find related documents, browse to the Manuals page of the HP Business Support Center website: http://www.hp.com/support/manuals • For related documentation, navigate to the Networking section, and select a networking category.

  • Page 63: Conventions

    Conventions This section describes the conventions used in this documentation set. Command conventions Convention Description Boldface Bold text represents commands and keywords that you enter literally as shown. Italic Italic text represents arguments that you replace with actual values. Square brackets enclose syntax choices (keywords or arguments) that are optional. Braces enclose a set of required syntax choices separated by vertical bars, from which { x | y | ...

  • Page 64

    Network topology icons Represents a generic network device, such as a router, switch, or firewall. Represents a routing-capable device, such as a router or Layer 3 switch. Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that supports Layer 2 forwarding and other Layer 2 features.

  • Page 65: Index

    Index Numerics cleanliness installation site, 10/100/1000 Base-T Ethernet combo port, interface, port LED, configuring 100/1000Base-X SFP IRF basic settings, port, switch, port LED, troubleshooting configuration terminal problems, 19-inch rack switch installation, verify the IRF fabric setup, –48 VDC power source connecting connecting, –48 VDC power source,...

  • Page 66

    connecting AC power source, garbled terminal display (troubleshooting), connecting console cable, gas (installation site), grounding connecting power cord, connecting RPS, EMI prevention, EMI prevention, grounding conductor buried in the earth ground, grounding switch through AC power supply PE grounding strip, wire, switch, grounding switch with grounding conductor...

  • Page 67

    switch installation, setting up, switch installation on 19-inch rack, setup flowchart, system status LED, verify the IRF fabric setup, verifying switch 19-inch rack installation, workbench switch mounting, hot-swappable AC power supply 10/100/1000 Base-T Ethernet port, securing AC power cord, 100/1000Base-X SFP port, hot-swappable power supply port mode, failure (troubleshooting),...

  • Page 68

    IRF cabling scheme, 27, installing power supply, IRF connections, installing switch, IRF member IDs, installing switch on 19-inch rack, IRF topology, maintaining the switch, port mounting switch on workbench, 100/1000Base-X SFP, planning IRF connections, connecting IRF physical ports, planning IRF fabric installation site, identifying IRF member switch physical ports, planning IRF member IDs, LED (100/1000Base-X SFP),...

  • Page 69

    installation site dust concentration, rack-mounting, installation site gas saturation, setting configuration environment, installation site humidity, setting terminal parameters, installation site temperature, setting up IRF fabric, laser safety recommendations, technical specifications, recommendations, troubleshooting, setting troubleshooting the switch, IRF fabric, verifying 19-inch rack installation, switch configuration environment, workbench mounting switch, terminal parameters,...

  • Page 70

    fixed power supply failure, garbled terminal display, hot-swappable power supply failure, no terminal display, power supply failure, switch, verify the IRF fabric setup, verifying IRF fabric setup, switch installation (19-inch rack), VT100, workbench mounting switch,...

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