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Use plenum-rated cable when it is necessary for safety and fire rating requirements. Consult your
local building codes to determine when it is appropriate to use plenum-rated cable, or refer to IEC
standard 850.

•

Keep all ports and connectors free of dust.

Figure 30: Properly Installed and Bundled Cable

1 = Ensure adequate slack and bend radius

Handling Fiber Optic Cable

Fiber optic cable must be handled carefully during installation.

Every cable has a minimum bend radius, example, and fibers will be damaged if the cables are bent too
sharply. It is also important not to stretch the cable during installation. Ensure that the bend radius for
fiber optic cables is equal to at least 5 cm (2 in) for each 90-degree turn as shown in

.

Note
Kinks and sharp bends can destroy or impair the cable’s ability to convey light pulses
accurately from one end of the cable to the other. Use care in dressing the optical fiber cables:
provide satisfactory strain relief to support the cable and maintain an adequate bend radius at
all cable turns, particularly where the cable connects to the I/O module.

Site Preparation

Installing Cable

ExtremeSwitching 5420 Series Hardware Installation Guide

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Summary of Contents for ExtremeSwitching 5420 Series

Page 1: ...ExtremeSwitching 5420 Series Hardware Installation Guide 9036914 00 Rev AA June 2021 ...

Page 2: ...tworks and the Extreme Networks logo are trademarks or registered trademarks of Extreme Networks Inc in the United States and or other countries All other names including any product names mentioned in this document are the property of their respective owners and may be trademarks or registered trademarks of their respective companies owners For additional information on Extreme Networks trademark...

Page 3: ...itch Features 18 5420F 16W 32P 4XE Switch Features 19 5420F 48P 4XE Switch Features 20 5420F 48P 4XL Switch Features 21 5420F 48T 4XE Switch Features 23 5420M 24T 4YE Switch Features 24 5420M 24W 4YE Switch Features 25 5420M 16MW 32P 4YE Switch Features 26 5420M 48T 4YE Switch Features 27 5420M 48W 4YE Switch Features 29 Power Supplies for Use with Your Switch 31 150 W AC Power Supply 31 600 W AC ...

Page 4: ...r Stacking SummitStack V Feature 55 SummitStack Terms 58 Planning to Create Your Stack 60 Enabling and Disabling the Stacking Support Option 61 Recommendations for Placing Switches for Stacked Operation 61 Recommendations for Configuring Stacks 62 Selecting Native and Alternate Stacking Ports 62 Combining Switches from Different Series 63 Selecting Stacking Cables 64 Using the Extreme Stacking Too...

Page 5: ...7 Extreme 5420 Series Technical Specifications 98 Fan and Accoustic Noise 100 Fan Speed 100 Power Options 101 Mean Time Between Failures MTBF 102 CPU and Memory 103 Standards and Environmental Data 104 150 W AC Power Supply Technical Specifications 106 150 W AC Power Supply XN ACPWR 150W 106 600 W AC PoE Power Supply Technical Specifications 107 600 W AC PoE Power Supply XN ACPWR 600W 107 920 W AC...

Page 6: ...r Supply Units and Connecting Power 117 Selecting Power Supply Cords 118 Battery Notice 119 Battery Warning Taiwan 119 EMC Warnings 119 Taiwan BSMI Warning 119 China CCC Warning 120 Japan VCCI Class A 120 Korea EMC Statement 120 Index 121 Table of Contents vi ExtremeSwitching 5420 Series Hardware Installation Guide ...

Page 7: ...figuring Extreme Networks devices Note If the information in an installation note or release note shipped with your Extreme Networks equipment differs from the information in this guide follow the installation or release note Conventions This section discusses the conventions used in this guide Text Conventions Unless otherwise noted information in this document applies to all supported environmen...

Page 8: ...face 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 Co...

Page 9: ...rs or confusing or conflicting information Improvements that would help you find relevant information in the document Broken links or usability issues If you would like to provide feedback you can do so in three ways In a web browser select the feedback icon and complete the online feedback form Access the feedback form at https www extremenetworks com documentation feedback Email us at documentat...

Page 10: ...u 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 ca...

Page 11: ...s a user selectable choice of Extreme s flagship switch operating systems The 5420 is a uniquely flexible platform that can be deployed across a range of edge and wiring closet environments The 5420 Series consists of 14 models in the 5420M and the 5420F families The 5420M models include field replaceable power supplies and fans and 4 x 1 10 25Gb built in uplink ports The 5420F models have a fixed...

Page 12: ...the switch is rebooted You can re connect the port if needed When the Micro B USB console is active any messages from the switch to the client terminal are echoed to both the USB console and the RJ45 serial port however no user input is accepted from the front panel port Tip Using a Micro USB Type B to USB Type A cable connect the Micro USB Type B end to the switch and the USB Type A end to a lapt...

Page 13: ...thernet ports with SFP optics using the disable stacking support command Stacking cables for 5420 Series switches are ordered separately For information about SFP optical modules see the Extreme Optics website Operating Temperatures All 5420 Series switch models support an operating range from 5 C to 50 C Temperature restrictions apply for some models at higher altitudes Feature Licensing The Extr...

Page 14: ...ort RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 1 5420F 8W 16P 4XE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10G SFP ports 3 USB Micro B console port 6 USB Type A ports The rear panel of the...

Page 15: ...al console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 3 5420F 24P 4XE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10G SFP ports 3 USB Micro B console port 6 USB Type A ports The rear pan...

Page 16: ...s unpopulated 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 5 5420F 24S 4XE Front Panel 1 100 1000BASE X ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10G SFP ports 3 USB Micro B console port 6 USB Type A p...

Page 17: ...hese ports when operating at 1Gbps 4 1 10Gb SFP MACsec capable uplink ports unpopulated 2 Stacking SFP DD ports unpopulated 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 7 5420F 24T 4XE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD sta...

Page 18: ...rts with 802 3bt Type 4 PoE 90W Note Half duplex is not supported on these ports when operating at 1Gbps 32 10 100 1000BASE T full half duplex autosensing MACsec capable ports with Type 2 PoE 30W 4 1 10Gb SFP MACsec capable uplink ports unpopulated 2 Stacking SFP DD ports unpopulated 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or ex...

Page 19: ...ures The front panel of the 5420F 16W 32P 4XE switch includes 16 10 100 1000BASE T full half duplex autosensing MACsec capable ports with 802 3bt Type 4 PoE 90W Note Half duplex is not supported on these ports when operating at 1Gbps 32 10 100 1000BASE T full half duplex autosensing MACsec capable ports with Type 2 PoE 30W 4 1 10Gb SFP MACsec capable uplink ports unpopulated 2 Stacking SFP DD port...

Page 20: ...lot Figure 12 5420F 16W 32P 4XE Rear Panel 1 Grounding lug 3 AC power inlet connector 2 Fixed fan modules 4 Power supply slot 5420F 48P 4XE Switch Features The front panel of the 5420F 48P 4XE switch includes 48 10 100 1000BASE T full half duplex autosensing MACsec capable ports with Type 2 PoE 30W Note Half duplex is not supported on these ports when operating at 1Gbps 4 1 10Gb SFP MACsec capable...

Page 21: ...ules Grounding lug 1 AC power inlet connector 1 power supply slot Figure 14 5420F 48P 4XE Rear Panel 1 Grounding lug 3 AC power inlet connector 2 Fixed fan modules 4 Power supply slot 5420F 48P 4XL Switch Features The front panel of the 5420F 48P 4XL switch includes 48 10 100 1000BASE T full half duplex autosensing MACsec capable ports with Type 2 PoE 30W Note Half duplex is not supported on these...

Page 22: ...DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 10G SFP LRM and MACsec capable ports 3 USB Micro B console port 6 USB Type A ports The rear panel of the switch includes 3 fixed fan modules Grounding lug 1 AC power inlet connector 1 power supply slot Figure 16 5420F 48P 4XL Rear Panel 1 Grounding lug 3 AC power inlet connector 2 Fixed fan modules 4 Power supply slot 5420F 48P 4XL Swit...

Page 23: ...nagement or external flash 1 USB Micro B console port Figure 17 5420F 48T 4XE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10G SFP ports 3 USB Micro B console port 6 USB Type A ports The rear panel of the switch includes 2 fixed fan modules Grounding lug 1 AC power inlet connector 1 power...

Page 24: ... the disable stacking support command 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 19 5420M 24T 4YE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10 25G SFP28 ports 3 USB Mi...

Page 25: ...s Note These ports can operate either as stacking ports or as 10G Ethernet ports with SFP optics using the disable stacking support command 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 21 5420M 24W 4YE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management ...

Page 26: ...ts when operating at 1Gbps 32 10 100 1000BASE T full half duplex autosensing MACsec capable ports with Type 2 PoE 30W 4 1 10 25Gb SFP28 MACsec capable uplink ports unpopulated 2 Stacking SFP DD ports Note These ports can operate either as stacking ports or as 10G Ethernet ports with SFP optics using the disable stacking support command 1 Serial console port RJ 45 1 10 100 1000BASE T out of band ma...

Page 27: ...odule Grounding lug 2 power supply slots Figure 24 5420M 16MW 32P 4YE Rear Panel 1 Grounding lug 3 Power supply slots 2 Fan module 5420M 48T 4YE Switch Features The front panel of the 5420M 48T 4YE switch includes 48 10 100 1000BASE T full half duplex autosensing MACsec capable ports Note Half duplex is not supported on these ports when operating at 1Gbps 4 1 10 25Gb SFP28 MACsec capable uplink po...

Page 28: ...20M 48T 4YE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10 25G SFP28 ports 3 USB Micro B console port 6 USB Type A ports The rear panel of the switch includes 1 fan module Grounding lug 2 power supply slots Figure 26 5420M 48T 4YE Rear Panel 1 Grounding lug 3 Power supply slots 2 Fan mod...

Page 29: ...isable stacking support command 1 Serial console port RJ 45 1 10 100 1000BASE T out of band management port 2 USB Type A ports for management or external flash 1 USB Micro B console port Figure 27 5420M 48W 4YE Front Panel 1 10 100 1000BASE T ports 4 10 100 1000BASE T out of band management port 7 SFP DD stacking ports 2 Mode button 5 RJ 45 serial console port 8 1 10 25G SFP28 ports 3 USB Micro B ...

Page 30: ...e 28 5420M 48W 4YE Rear Panel 1 Grounding lug 3 Power supply slots 2 Fan module 5420M 48W 4YE Switch Features ExtremeSwitching 5420 Series Overview 30 ExtremeSwitching 5420 Series Hardware Installation Guide ...

Page 31: ... Supply on page 32 2000 W AC PoE Power Supply on page 33 150 W AC Power Supply The 150 W AC power supply Model XN ACPWR 150W with front to back ventilation airflow is compatible with 5420F 24T 4XE 5420F 24S 4XE 5420F 48T 4XE 5420M 24T 4YE and 5420M 48T 4YE switch models The 150 W AC power supply has a keyed power inlet C14 that requires a notched C15 power cord The 150 W AC power supply has the st...

Page 32: ...er supply DC fail OCP OVP OTP fan 920 W AC PoE Power Supply The 920 W AC PoE power supply Model XN ACPWR 920W with front to back ventilation airflow is compatible with 5420F 48P 4XE 5420F 48P 4XL 5420M 24W 4YE 5420M 48W 4YE 5420M 16MW 32P 4YE switch models The 920W AC PoE power supply has the status LEDs listed in the following table Table 6 920 W AC PoE Power Supply LED Status Indications DC_OK l...

Page 33: ...airflow is compatible with 5420M 48W 4YE and 5420M 16MW 32P 4YE switch models In order to obtain 2000W output from this power supply the PSU must be connected to a 200 240VAC source The 2000 W AC PoE power supply has a keyed power inlet C16 that requires a notched C15 power cord The 2000 W AC PoE power supply has the status LEDs listed in the following table Table 8 2000 W AC PoE Power Supply LED ...

Page 34: ...ice 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 bef...

Page 35: ...ing your site and installing cable This section lists resources for obtaining additional information For information about major building codes consult the following organization International Code Council ICC 5203 Leesburg Pike Falls Church VA 22041 USA www iccsafe org The organizations listed in Table 9 are authorities on electrical codes Table 9 Authorities on Electrical Codes Organization Addr...

Page 36: ...e 38 for more information Use appropriate AC or DC power power distribution and grounding for your specific installation Use a vinyl floor covering in your wiring closet Concrete floors accumulate dust and carpets can cause static electricity Prevent unauthorized access to wiring closets by providing door locks Install the equipment in a secured enclosed and restricted access location ensuring tha...

Page 37: ...pecified ambient temperature at which time the system restarts automatically Alternately you can restart the system by removing and then restoring all line power to the system The internal sensor must still measure a system temperature that is lower than the maximum specified ambient temperature so recovery might not be immeadiate Controlling the Humidity Level To maximize equipment life keep oper...

Page 38: ...oximately 270 kg 600 lb Grounding the Rack The rack must be properly grounded Use a rack grounding kit and a ground conductor that is carried back to earth or to another suitable building ground At a minimum follow these guidelines to ground equipment racks to the earth ground CAD weld appropriate wire terminals to building I beams or earth ground rods For a DC powered switch use a minimum 14 AWG ...

Page 39: ...ring the Rack The rack should be attached to the wiring closet floor with 9 5 mm 3 8 in lag screws or equivalent hardware The floor under the rack should be level within 5 mm 3 16 in Use a floor leveling cement compound if necessary or bolt the racks to the floor as shown Figure 29 Properly Secured Rack Brace open equipment racks if the channel thickness is less than 6 4 mm 1 4 in Evaluating and M...

Page 40: ...ind Examine cable for cuts bends and nicks Support cable using a cable manager that is mounted above connectors to avoid unnecessary weight on the cable bundles Use cable managers to route cable bundles to the left and right of the network equipment to maximize accessibility to the connectors Provide enough slack approximately 5 to 7 5 cm 2 to 3 in to provide proper strain relief as shown in Figur...

Page 41: ...ll be damaged if the cables are bent too sharply It is also important not to stretch the cable during installation Ensure that the bend radius for fiber optic cables is equal to at least 5 cm 2 in for each 90 degree turn as shown in Figure 31 Note Kinks and sharp bends can destroy or impair the cable s ability to convey light pulses accurately from one end of the cable to the other Use care in dre...

Page 42: ...50nm optical window 50 125 µm multimode fiber 400 500 50 125 µm multimode fiber 500 550 62 5 125 µm multimode fiber 160 220 62 5 125 µm multimode fiber 200 275 1000BASE LX 1300nm optical window 50 125 µm multimode fiber 400 550 50 125 µm multimode fiber 500 550 62 5 125 µm multimode fiber 500 550 10 125 µm single mode fiber 5 000 10 125 µm single mode fiber 10 000 1000BASE ZX 1550nm optical window...

Page 43: ...de fiber OM2 500 82 50 µm multimode fiber OM3 2000 300 10GBASE LR SFP 1310nm optical window 10 125 µm single mode fiber 10 000 10GBASE ER SFP 1550nm optical window 10 125 µm single mode fiber 40 000 40GBASE SR4 QSFP 850nm optical window 50 µm multimode fiber OM3 100 50 µm multimode fiber OM4 150 1000BASE T Category 5 and higher UTP cable 100 100BASE TX Category 5 and higher UTP cable 100 10BASE T ...

Page 44: ...al cable AA1404028 E6 10 meters active optical QSFP to 4xSFP Breakout cable AA1404033 E6 1 meter AA1404035 E6 3 meters AA1404036 E6 5 meters AA1404041 E6 10 meters active optical Using RJ45 Connector Jackets Use RJ45 cable with connector jackets that are flush with the connector or that have connectors with a no snag feature Using cable with jackets that are wider than the connectors can cause Con...

Page 45: ...tenna Routing UTP cable near equipment that could exhibit RF interference such as ARC welding equipment Routing UTP cable near electrical motors that contain coils Routing UTP cable near air conditioner units Routing UTP cable near electrical transformers In areas or applications where these situations cannot be avoided use fiber optic cabling or shielded twisted pair cabling Meeting Power Require...

Page 46: ...ormation on selecting and purchasing the correct power cords for use with specific Extreme Networks equipment The web page provides specifications for power cords in each country so that you can purchase cords locally AC power cords must meet the requirements listed in Power Cord Requirements for AC Powered Switches and AC Power Supplies on page 110 UPS Uninterruptible Power Supply Requirements A ...

Page 47: ...ime UPS transition time is the time required for the UPS to change from providing AC power derived from the utility or mains supply to providing AC power derived from the battery backup UPS transition time is sometimes called UPS transfer time UPS transition times vary between UPS models and implementations but shorter transition times are preferred For Extreme Networks stacking products a UPS tra...

Page 48: ...IA EIA 569 A design considerations ANSI TIA EIA 606 cabling system administration ANSI TIA EIA 607 commercial building grounding and bonding requirements You can access these standards at www ansi org or www tiaonline org Following Applicable Industry Standards Site Preparation 48 ExtremeSwitching 5420 Series Hardware Installation Guide ...

Page 49: ...roubleshooting Introduction to Stacking Using the SummitStack feature part of the ExtremeXOS Edge license a stack can combine switches from different series provided that every switch in the stack Runs in the same partition primary or secondary Runs the same version of ExtremeXOS Includes support for stacking The stack operates as if it were a single switch with a single IP address and a single po...

Page 50: ...cribed in this chapter See Combining Switches from Different Series on page 63 for information about which switch series can be combined to form a stack Slot Numbers in Stacks A switch stack can be thought of as a virtual chassis Each switch node operates as if it were occupying a slot in a chassis and is controlled by the primary The high speed stacking links function like the backplane links of ...

Page 51: ...software configuration again Primary Backup Switch Redundancy When your stack is operational one switch is the primary switch responsible for running network protocols and managing the stack To provide recovery in case of a break in the stack connections you can configure redundancy by designating a backup switch to take over as primary if the primary switch fails When you perform the initial soft...

Page 52: ...e if the primary node is an X460 G2 switch the backup node should also be an X460 G2 switch Similarly if the primary node is an X670 G2 series switch the backup node should also be an X670 G2 switch Note The ExtremeSwitching 5420 series switches can only be stacked with themselves or with ExtremeSwitching 5520 using Alternate stacking When easy setup compares two switches that have the same capabi...

Page 53: ...tiguous nodes that are active An active node is powered up is configured for stack operation and is communicating with the other active nodes Switch 5 in the example has failed stacking is disabled on Switches 6 and 7 and Switch 8 has no power As a result the active topology includes Switches 1 through 4 only For more information about SummitStack terminology see SummitStack Terms on page 58 Ring ...

Page 54: ...pology Not Recommended for Stacking Stackable switches can be connected in a daisy chain topology This is a ring topology with one of the links disconnected inoperative or disabled A daisy chain can be created when a link fails or a node reboots in a ring topology but the daisy chain topology is not recommended for normal operation Connect your stack nodes in a ring topology not a daisy chain topo...

Page 55: ...ess expensive cables to connect the switches in a stack Because copper and fiber Ethernet ports support longer cable distances you can also extend the physical distance between stack nodes connecting for example switches on different floors in a building or in different buildings on a campus The SummitStack V feature means that you can stack switches that have no dedicated or native stacking ports...

Page 56: ...orts that can be used as native and alternate stacking ports for each switch model When the stacking support option is enabled with the enable stacking support command data communication stops on the physical data ports that are designated for alternate stacking Then when stacking is enabled with the enable stacking command those ports listed in the Alternate Stacking Ports column of Table 14 oper...

Page 57: ...6 Front panel X670 G2 48x 4q Ports 49 53 57 61 47 48 Front panel X670 G2 72x None 71 72 Front panel X690 48t 2q 4c Ports 61 69 None Not applicable X690 48x 2q 4c Ports 61 69 None Not applicable X870 32c Ports 121 125 None Not applicable X870 96x 8c Ports 121 125 None Not applicable 5420F 8W 16P 4XE 5420F 24P 4XE 5420F 24S 4XE 5420F 24T 4XE 5420F 16MW 32P 4XE 5420F 16W 32P 4XE 5420F 48P 4XE 5420F 4...

Page 58: ...ugh their common connections 2 a single stackable switch can manage the entire stack and 3 configurable entities such as VLANs and link trunk groups can have members on multiple stackable switches A stack consists of all connected nodes regardless of the state of the nodes Stack topology A contiguously connected set of nodes in a stack that are currently communicating with one another All nodes th...

Page 59: ... event If and when the master node fails the backup node becomes the master node and begins operating with the databases it has previously received In this way all other nodes in the stack can continue operating Standby node A node that is prepared to become a backup node in the event that the backup node becomes the master node When a backup node becomes a master node the new master node synchron...

Page 60: ...operational state can be displayed using the show slot slot detail detail command System uptime The amount of time that has passed since the last node role election You can display the system uptime by entering the show switch detail command on the master node Stack segment A collection of nodes that form a stack topology The term is useful when a stack is severed Each severed portion of the stack...

Page 61: ...the switch through which you will perform the initial stack configuration using the console port For simplicity and ease of connecting the stacking cables plan to designate the top switch in a vertical physical stack as the primary switch If switches are installed in several adjacent racks place the primary switch at one end of the row Physically locate the intended primary and backup nodes adjace...

Page 62: ...control traffic You can configure the stack by logging into the primary node or any of the other nodes If the primary capable stackable switches have different purchased license levels you might need to configure license level restrictions on some nodes before those nodes can join the stack See the ExtremeXOS 31 3 User Guide for more information about managing licenses If the stack supports any fe...

Page 63: ...mmand unconfigure stacking support Note Commands that contain the stacking support keyword apply to the local switch only This means that each switch that will use alternate stacking ports must be configured separately When the stack is fully active you can use the telnet slot slot number command to log in to another node over the stack to unconfigure SummitStack V on that node only There is no wa...

Page 64: ...vers that Require Alternative Configuration Part Number Cable or Transceiver 10401 100Gb SR4 QSFP28 MMF transceiver 10403 100Gb LR4 QSFP28 transceiver 10404 100Gb CWDM4 QSFP28 SMF transceiver 10405 100Gb PSM4 QSFP28 SMF transceiver 10441 QSFP28 x 4SFP28 4x25Gb active optical breakout cable 5 meters 10442 QSFP28 x 4SFP28 4x25Gb active optical breakout cable 7 meters 10443 QSFP28 x 4SFP28 4x25Gb act...

Page 65: ...t can use for stacking 3 Drag the rectangle to the first slot in the Stack column in the middle of the page To the right of the Stack column the tool displays statistics about available routes supported software versions and primary backup recommendations Tip If you don t see statistics and other information select the arrow symbol to the immediate right of the Stack column 4 Use the tool in any o...

Page 66: ...ack Ring After you have installed the individual switches connect them together using the stacking cables The examples in this section show cable connections and the recommended order for connecting ports to facilitate the easy setup configuration In general it is best to connect Stack Port 2 on one switch to Stack Port 1 on the switch with the next higher slot number Although you can connect the ...

Page 67: ... recommended order for connecting the stacking ports in this example Table 18 Combining Stacking Port Types Connections Connect this slot and port To this slot and port Slot 1 Stack Port 2 Slot 2 Stack Port 1 Slot 2 Stack Port 2 Slot 3 Stack Port 1 Slot 3 Stack Port 2 Slot 4 Stack Port 1 Slot 4 Stack Port 2 Slot 5 Stack Port 1 Slot 5 Stack Port 2 Slot 1 Stack Port 1 Using SummitStack V160 Stacking...

Page 68: ...es to connect switches with integrated SummitStack ports Figure 41 SummitStack Cable Connections Using Eight Switches with Integrated SummitStack Ports Table 19 lists the recommended order for connecting the stacking ports in this example Table 19 Basic Stack with Four Switches Connections Connect this slot and port To this slot and port Slot 1 Stack Port 2 Slot 2 Stack Port 1 Slot 2 Stack Port 2 ...

Page 69: ...Stack Port 1 Slot 7 Stack Port 2 Slot 8 Stack Port 1 Slot 8 Stack Port 2 Slot 1 Stack Port 1 Example Stack with VIM1 SummitStack Modules Figure 43 shows an example of a four switch stack that combines two different switch models two of each model four switches in all For the first switch model the stacking ports are on installed VIM1 SummitStack modules For the second switch model the stacking por...

Page 70: ...k Ports on VIMs Table 21 lists the recommended order for connecting the stacking ports in this example Table 21 Stacked Switches across Two Racks Connections Connect this slot and port To this slot and port Slot 1 Stack Port 2 Slot 2 Stack Port 1 Slot 2 Stack Port 2 Slot 3 Stack Port 1 Slot 3 Stack Port 2 Slot 4 Stack Port 1 Slot 4 Stack Port 2 Slot 1 Stack Port 1 Example Stacked Switches across S...

Page 71: ...tacking Cables To connect switches in a SummitStack configuration use the appropriate stacking cables for the specific stacking ports on the switches Connecting a SummitStack Cable to a Stacking Port SummitStack cables are used to connect 20 Gbps SummitStack ports on the X460 G2 switch with the SummitStack plug in module To connect a SummitStack cable follow these steps 1 Align the cable connector...

Page 72: ...itch with VIM 2q module which supports SummitStack V160 X670 G2 48x 4q switch which supports SummitStack V80 supported in EXOS 30 1 and prior releases only V 160 or V 320 Follow these steps to connect a QSFP direct attach cable 1 Holding the QSFP connector by its sides insert the connector into the port on the switch as shown in the following figures Figure 47 Connecting a QSFP Passive Copper Dire...

Page 73: ... all switches in the stack that will be primary capable If you followed the cabling examples in Connecting the Switches to Form the Stack Ring on page 66 and if you use the Easy Setup configuration procedure only slots 1 and 2 can become the primary node However you can connect all switch management ports in the stack if you choose to do so There is an alternate IP address configuration that will ...

Page 74: ...be ordered separately The installation process includes the following tasks 1 Prepare to install the switch See What You Will Need for the Installation on page 75 2 Install the switch in the rack See Attaching the Switch to a Rack or Cabinet on page 76 3 Install optional components optical transceivers and cables See the instructions in Installing Optional Components on page 77 4 If your switch do...

Page 75: ...tach mounting hardware Provide enough space in front of and behind the switch so that you can service it easily Allow a minimum of 122 cm 48 in in front of the rack and 76 cm 30 in behind the rack If your switch has internal power supplies make sure they have the same airflow direction as the fans in the switch Check Quick Reference Guide for your switch model to see what hardware is provided in t...

Page 76: ...op heavy Start installing equipment at the bottom and work up 1 On one side of the switch set a mounting bracket against the switch housing Set the flange even with the front panel of the switch or if you are mid mounting the switch set the flange toward the back of the switch The following figures illustrate how to attach the brackets for two common mounting options Figure 49 shows a mid mount co...

Page 77: ...en the retaining screw with a straight tip torque screwdriver to 20 in lb 2 25 N m e Connect the other end of the wire to a known reliable earth ground point at your site After the switch is secured to the rack or cabinet install optional components using the instructions in Installing Optional Components on page 77 Then if your switch does not have an installed power supply install one or two pow...

Page 78: ...0 W AC PSU Part number XN ACPWR 1200W is compatible with 5420F 16W 32P 4XE and 5420F 16MW 32P 4XE switch models 2000 W AC PSU Part number XN ACPWR 2000W is compatible with 5420M 48W 4YE and 5420M 16MW 32P 4YE switch models For installation instructions see Install a 150 W 600 W 920 W 1200 W or 2000 W Internal AC Power Supply on page 78 Selecting Power Cords for AC Power Supplies An AC power cord i...

Page 79: ... W 920 W 1200 W or 2000 W AC power supply in a switch follow these steps 1 If necessary remove a blank panel from the back of the switch 2 Verify that the power supply is right side up 3 Verify that the power supply s airflow direction front to back is compatible with the switch 4 Carefully slide the power supply all the way into the power supply bay as shown in Figure 51 Figure 51 Installing an A...

Page 80: ...fy that the DC circuit is de energized b Verify that the ground wire is connected to the grounding lug on the rear of the switch The grounding lug is identified by the international symbol for earth ground c Verify that the DC power input cables are properly connected to the DC power supplies at the rear of the switch d Energize the circuit 3 When power is connected verify that the PSU LED turns g...

Page 81: ...x connectors with the correct corresponding connectors on the switch or the I O module 4 Press the cable connectors into their mating connectors on the switch or I O module until the cable connector is firmly seated 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 a...

Page 82: ...isit https www extremenetworks com support switch os selection for information on changing your switch OS after initial activation Otherwise follow the instructions in these topics Connecting the Switch to a Management Console on page 82 Logging in for the First Time on EXOS on page 83 Configuring the Switch s IP Address for the Management VLAN on page 84 Changing the Switch OS via the Bootloader ...

Page 83: ... management console press Enter one or more times until you see the login prompt 3 At the login prompt log in using the default user name admin For example login admin Note For the initial password simply press Enter When you have successfully logged on to the system the command line prompt displays the system name for example 5420F 24T 4XE EXOS in its prompt You are logged in with administrator p...

Page 84: ...XOS is the default operating system for the 5420 Series You can change the switch OS from the Bootloader menu on initial activation only by completing the following steps 1 Using a terminal emulator such as PuTTY or TeraTerm connect to the switch using the serial port connection Be sure that your serial connection is set properly Baud rate Baud rate 115200 Data bits 8 Stop bit 1 2 Once the switch ...

Page 85: ...ng In for the First Time on VOSS Onboard your switch with ExtremeCloud Log in or create your XIQ administrator account in order to select your switch operating system with XIQ at https extremecloudiq com To perform the initial login and complete initial configuration tasks follow these steps 1 Using a terminal emulator such as PuTTY or TeraTerm connect to the switch using the serial port connectio...

Page 86: ...T 4YE and 5420M 48T 4YE switch models 5420F models have 1 hot swappable PSU and 1 fixed PSU 5420M models have 2 hot swappable PSUs In a switch with a redundant power configuration you can replace one AC power supply without powering down the switch Caution A 150 W AC power supply cannot be installed and used in a switch that supports PoE You need the following tools and materials to replace a 150 ...

Page 87: ...thermal protective gloves when you remove a power supply from an operating switch Note If you are not installing a replacement power supply install a cover over the unoccupied power supply bay Unoccupied bays must always be covered to maintain proper system ventilation and EMI levels 5 Verify that the replacement power supply is oriented the same way as the unit you removed and has the same airflo...

Page 88: ...000 W AC PoE Power Supply The 600W AC PoE PS Model XN ACPWR 600W with front to back ventilation airflow is compatible with 540F 24P 4XE and 5420F 8W 16P 4XE switch models The 920 W AC PoE PSU Model XN ACPWR 920W with front to back ventilation airflow is compatible with 5420F 48P 4XE 5420F 48P 4XL 5420M 24W 4YE 5420M 48W 4YE 5420M 16MW 32P 4YE switch models The 1200W AC PoE PS Model XN ACPWR 1200W ...

Page 89: ... or 2000 W AC PoE power supply Thermal protective gloves AC power cord if you will not be re using the cord from the removed power supply To replace a 600 W 920 W 1200 W or 2000 W AC PoE power supply follow these steps 1 Disconnect the AC power cord from the wall outlet and from the power supply 2 Note the orientation of the installed power supply and the location of the latching tab at the right ...

Page 90: ...ion 6 Carefully slide the power supply all the way into the power supply bay See Figure 55 Figure 55 Installing a 600 W 920 W 1200 W or 2000 W AC Power Supply 7 Push the power supply in until the latch snaps into place Caution Do not slam the power supply into the switch 8 Connect the power cord to the power supply and to a grounded AC power outlet Warning Always be sure that the source outlet is ...

Page 91: ...of the information in this chapter thoroughly before attempting to replace a fan module Pre Installation Requirements You need a 1 4 inch flat blade screwdriver to replace a fan module Caution Be sure to finish the replacement procedure promptly The switch could overheat if left without cooling for an extended period Airflow Direction Requirements 5420 Series switches are available with front to b...

Page 92: ... 56 On some switch models the fan module has a single retaining screw at the top right corner of the module 2 Slide the fan module out of the switch and set it aside Figure 56 Removing a Fan Module 3 Verify that the airflow direction on the replacement fan module matches that of the installed fan modules Fans with front to back airflow are labeled Air Out Replacing a Fan Module Replacing Fan Modul...

Page 93: ...acement fan module into the switch Figure 57 Installing a Fan Module 5 Align and fully tighten the captive retaining screws Replacing Fan Modules Replacing a Fan Module ExtremeSwitching 5420 Series Hardware Installation Guide 93 ...

Page 94: ...Green Blinking POST in progress Amber Blinking POST failed or overheat PSU status LEDs P1 P2 Green Power On Off Power off and no power attached Amber Blinking Power supply failures Speed status SPD Stacking status STK SPD solid green Speed mode STK solid green Stacking mode All off Normal mode Fan status for 5420F Green Normal operation Amber Blinking Fan failure Fan module status for 5420M Green ...

Page 95: ...e Meaning Steady green Link is OK port is not powered Steady amber Link is OK port is powered no traffic Blinking green Link is OK and transmitting packets port is not powered Blinking amber Link is OK and transmitting packets port is powered Slow blinking amber No link or disabled port port is powered Alternating amber and green Port has a power fault Off Port is not powered has no link or is dis...

Page 96: ...blinking green 40 50Gbps Port LEDs in STK Mode The port LEDs enter the STK display mode after the Mode button is pressed twice indicated by the STK LED STK mode is used to indicate slot presence and slot number via the first eight port LED as referenced by the following table Table 26 Port LEDs in STK Mode Color State Speed Steady green The slot corresponding to the port number of the LED is prese...

Page 97: ...cations on page 109 Power Cord Requirements for AC Powered Switches and AC Power Supplies on page 110 Console Connector Pinouts on page 110 The 5420 Series includes the following switches 5420F 8W 16P 4XE switch 5420F 24P 4XE switch 5420F 24S 4XE switch 5420F 24T 4XE switch 5420F 16MW 32P 4XE switch 5420F 16W 32P 4XE switch 5420F 48P 4XE switch 5420F 48P 4XL switch 5420F 48T 4XE switch 5420M 24T 4...

Page 98: ... inches 4 4 cm Width 17 4 inches 44 10 cm Length 12 40 inches 31 50 cm 5420F 16MW 32P 4XE 5420F 16W 32P 4XE 5420F 48P 4XE 5420F 48T 4XE 5420F 48P 4XL 5420M 24T 4YE 5420M 24W 4YE 5420M 16MW 32P 4YE 5420M 48T 4YE 5420M 48W 4YE Height 1 7 inches 4 4 cm Width 17 4 inches 44 10 cm Length 14 10 inches 35 82 cm Table 30 5420 Unpackaged Weight with fan modules no PSU 5420F 8W 16P 4XE 10 23 lb 4 64 kg 5420...

Page 99: ... 48SE with 350W PSU and 3 fans 15 69 lb 7 12 kg Table 32 5420 Packaged Dimensions 5420F 8W 16P 4XE 5420F 24P 4XE 5420F 24S 4XE 5420F 24T 4XE Height 6 3 inches 16 0 cm Width 22 0 inches 55 8 cm Length 15 70 inches 39 90 cm 5420F 16MW 32P 4XE 5420F 16W 32P 4XE 5420F 48P 4XE 5420F 48T 4XE 5420F 48P 4XL 5420M 24T 4YE 5420M 24W 4YE 5420M 16MW 32P 4YE 5420M 48T 4YE 5420M 48W 4YE Height 6 3 inches 16 0 c...

Page 100: ... Fan Speed The speed of the fan increases only when the temperature of the device increases Fan speed is not dependent on any fan failures Table 34 5420 Fan Speed Model Internal PSU Fan Internal System Fan Fan Module 4020 17000 RPM Fan 4028 16000 RPM Fan 4028 16000 RPM Fan 4028 16000 RPM Fan 5420F 24P 4XE 1 N A 1 N A 5420F 24T 4XE 1 N A 1 N A 5420F 8W 16P 4XE 1 N A 1 N A 5420F 48P 4XE 2 N A 1 N A ...

Page 101: ... 1 0 A max per PS 540F 24P 4XE switch 5420F 8W 16P 4XE switch 600 W AC power supply Part no XN ACPWR 600W 600 W AC PS FB front to back 100 127 V 200 240 V 47 63 Hz 2 5 1 5 A max per PS 5420F 48P 4XE switch 5420F 48P 4XL switch 5420M 24W 4YE switch 5420M 48W 4YE switch 5420M 16MW 32P 4YE switch 920 W AC power supply Part no XN ACPWR 920W 920 W AC PS FB front to back 100 127 V 200 240 V 47 63 Hz 9 4...

Page 102: ...ith 1 CRPS 150W PSU 341 393 24T 4YE with 2 CRPS 150W PSUs 425 775 16MW 32P 4YE without PSU 576 512 16MW 32P 4YE with 1 CRPS 920W PSU 224 128 16MW 32P 4YE with 2 CRPS 920W PSUs 281 986 16MW 32P 4YE with 1 CRPS 2000W PSU 296 110 16MW 32P 4YE with 1 CRPS 920W and 1 CRPS 2000W PSU 313 368 16MW 32P 4YE with 2 CRPS 2000W PSUs 353 406 Table 37 5420F family MTBF Model MTBF at 25 C 48P 4XE without PSU 406 ...

Page 103: ...SU 271 147 8W 16P 4XE with 1 OFPS 660W and 1 CRPS 600W PSU 326 619 24P 4XE without PSU 548 157 24P 4XE with 1 OFPS 660W PSU 272 887 24P 4XE with 1 OFPS 660W and 1 CRPS 600W PSU 329 146 24S 4XE without PSU 590 144 24S 4XE with 1 OFPS 150W PSU 291 032 24S 4XE with 1 OFPS 150W and 1 CRPS 150W PSU 350 197 24T 4XE without PSU 637 131 24T 4XE with 1 OFPS 120W PSU 552 146 24T 4XE with 1 OFPS 120W and 1 C...

Page 104: ...ational Safety of ITE CB Report Certificate IEC 62368 1 CB Report Certificate per IEC 60950 1 National Differences AS NZX 60950 1 Australia New Zealand Country specific BSMI Taiwan Safety NRCS LOA South Africa CCC China Safety Table 39 EMI EMC Standards North America EMC for ITE FCC CFR 47 part 15 Class A USA ICES 003 Class A Canada European EMC standards EN 55032 Class A EN 55024 EN 55011 EN 6100...

Page 105: ...LOA SABS South Africa Table 40 Telecom Standards EN ETSI 300 386 EN 300 386 V2 1 1 2016 07 EMC Telecommunications EN ETSI 300 019 Environmental for Telecommunications MEF9 and MEF14 certified for EPL EVPL and ELAN Table 41 IEEE 802 3 Media Access Standards IEEE 802 3ab 1000BASE T IEEE 802 3bz 2 5G 5GBASE T IEEE 802 3bt Type4 PoE IEEE 802 3ae 10GBASE X IEEE 802 3aq 10GBASE LRM IEEE 802 3by 25GBASE ...

Page 106: ...els 150 W AC Power Supply XN ACPWR 150W Table 43 Physical Specifications Dimensions Height 1 54 inches 3 9 cm Width 2 89 inches 7 35 cm Length 7 28 inches 18 5 cm Weight 1 63 lb 0 74 kg Table 44 Power Specifications Voltage input range 100 127 200 240 47 to 63Hz Nominal input ratings 12 5 A max at 115VAC and 6A max at 230VAC at Full 350 W load Maximum inrush current 45A at Max 264 VAC at 25C with ...

Page 107: ...50 W Power supply input socket and cord IEC EN 60320 C14 AC input receptacles Power cord wall plug Refer to Power Cord Requirements for AC Powered Switches and AC Power Supplies on page 110 Efficiency Minimum efficiency 88 at maximum power output Table 48 Environmental Specifications Operating temperature 0 C to 50 C normal operation Storage temperature 40 C to 70 C Operating humidity 93 relative ...

Page 108: ...51 Environmental Specifications Operating temperature 0 C to 50 C normal operation Storage temperature 40 C to 70 C Operating humidity 93 relative humidity non condensing at 30C Operational shock 30 m s2 3 G 1200 W AC PoE PSU Technical Specifications The 1200 W AC PoE power supply Model XN ACPWR 1200W with front to back ventilation airflow is compatible with 5420F 16W 32P 4XE and 5420F 16MW 32P 4X...

Page 109: ... Specifications The 2000 W AC PoE power supply Model XN ACPWR 2000W with front to back ventilation airflow is compatible with 5420M 48W 4YE and 5420M 16MW 32P 4YE switch models 2000 W AC PoE Power Supply XN ACPWR 2000W Table 55 Physical Specifications Dimensions Height 1 57 inches 3 98 cm Width 2 87 inches 7 3 cm Length 7 28 inches 18 5 cm Weight 2 0 lb 0 91 kg Table 56 Power Specifications Voltag...

Page 110: ...ower cord must have an IEC320 C13 connector for connection to the switch or power supply The power cord must have an appropriately rated and approved wall plug applicable to the country of installation For cords up to 6 feet 2 m long the wire size must be 18 AWG 75 mm2 minimum over 6 feet the minimum wire size is 16 AWG 1 0 mm2 For details about obtaining AC power cords for use in your country ref...

Page 111: ...re 59 shows the pinouts for a 9 pin to 25 pin RS 232 null modem cable Figure 59 Null Modem Cable Pinouts Figure 60 shows the pinouts for a 9 pin to 9 pin PC AT null modem serial cable Figure 60 PC AT Serial Null modem Cable Pinouts Technical Specifications Console Connector Pinouts ExtremeSwitching 5420 Series Hardware Installation Guide 111 ...

Page 112: ...eive data 6 In DSR data set ready 7 In CTS clear to send 8 In Table 60 shows the pinouts for an RJ45 to DB 9 adapter Table 60 Pinouts for an RJ45 to DB 9 Adapter Signal RJ45 Pin DB 9 Pin CTS clear to send 1 8 DTR data carrier detect 2 6 TXD transmit data 3 2 GND ground 4 5 GND ground 5 5 RXD receive data 6 3 DSR data set ready 7 4 RTS request to send 8 7 Console Connector Pinouts Technical Specifi...

Page 113: ...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 If you are located in the United ...

Page 114: ...r the following functions Preventing exposure to hazardous voltages and currents inside the equipment Containing electromagnetic interference EMI that might disrupt other equipment Directing the flow of cooling air through the equipment Ultimate disposal of this product should be handled according to all national laws and regulations General Safety Precautions Follow these guidelines Do not try to...

Page 115: ...chassis so that it is always available when you need to handle components that are sensitive to ESD 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 syste...

Page 116: ...ngs are in an underground conduit where a continuous metallic cable shield or a continuous metallic conduit containing the cable is bonded to each building grounding electrode system Caution Failure to follow these requirements for cable routing conditions may expose the user to electrical shock and expose the unit to damage that can cause errors Warning The Ethernet ports of the equipment and its...

Page 117: ...For switches with field replaceable power supplies do not connect the power supply to an electrical source when the power supply is not installed in the switch doing so would expose a hazardous energy and poses a potential shock and fire hazard Plug power supplies only into properly grounded electrical outlets to help prevent electrical shock and to comply with international safety standards Use o...

Page 118: ...e switches for turning the unit on and off Disconnect all power cords to remove power from the device Make sure that these connections are easily accessible Extreme Networks alimentations n ont pas de contact pour mettre l appareil sous et hors tension Débranchez tous les cordons d alimentation pour couper l alimentation de l appareil Assurez vous que ces connexions sont facilement accessibles Sel...

Page 119: ...on Ce produit renferme une pile servant à conserver les renseignements sur le produit Le cas échéant faites remplacer la pile par le personnel du service de réparation Veuillez communiquer avec l assistance technique pour du soutien 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 B...

Page 120: ... 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 China CCC Warning Safety and Regulatory Information 120 ExtremeSwitching 5420 Series Hardware Installation Guide ...

Page 121: ...rements for cords 110 access 36 acoustic noise 5420 switch 100 acquired node definition 59 active node 58 active topology 59 airflow 91 alternate stacking ports 55 alternate stacking ports 62 alternative configuration 64 amperage calculating for UPS 47 ANSI standards 47 B backup node definition 59 redundancy 51 battery notice 119 bend radius 40 41 BICSI 39 building codes 35 Building Industry Consu...

Page 122: ...r connecting to switch 80 electrical codes 35 electrostatic discharge see ESD environmental requirements building codes 35 environmental requirements continued electrical codes 35 electrostatic discharge ESD 37 humidity 37 temperature 36 wiring closet 36 equipment installing 74 tools needed to install 75 equipment rack grounding 38 mechanical recommendations 38 mounting holes 38 securing 39 servic...

Page 123: ...ents 36 operational node 60 optical cables installing 77 78 optical transceivers alternative configuration 64 for stacking 64 installing 77 78 optional components installing 77 78 P pinouts DB 9 console connector 110 111 null modem cable 110 planning site 34 plenum rated cable 40 pluggable transceivers see optical transceivers ports alternate stacking 55 62 console port settings 82 for stacked con...

Page 124: ...0 W AC power supply 107 920 W AC power supply 107 108 equipment racks 38 stack 58 see also SummitStack stack number indicator 50 stackable switch 58 stacking 40G cables 71 stacking continued backup 51 cables 64 combining switch models 63 connecting cables 71 73 connecting management port 73 connection order 66 daisy chain 54 definition 50 dual master condition 54 examples 68 70 guidelines 61 62 LE...

Page 125: ...ted pair see UTP cable UPS uninterruptible power supply requirements 46 selecting 47 transition time 47 UTP cable bend radius 40 category 5 40 discharge ESD 40 preventing RFI 45 V versatile interface module VIM stacking example 70 VIM1 SummitStack module stacking example 69 70 VIM2 stacking 67 VIM2 SummitStack module stacking example 70 VLAN configuring 84 VOSS initial login 85 W warnings 7 web ap...

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