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2-18

Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide

OL-10694-01

Chapter 2      Blade Switch Installation

  Connecting to the 10/100/1000 Ports

Connecting to the 10/100/1000 Ports

The 10/100/1000 ports configure themselves to operate at the speed of attached devices. If the attached 
ports do not support autonegotiation, you can explicitly set the speed and duplex parameters. Connecting 
devices that do not autonegotiate or that have their speed and duplex parameters manually set can reduce 
performance or result in no linkage. 

To maximize performance, choose one of these methods for configuring the Ethernet ports:

•

Let the ports autonegotiate both speed and duplex.

•

Set the port speed and duplex parameters on both ends of the connection.

Follow these steps to connect to 10BASE-T, 100BASE-TX or 1000BASE-T devices:

Caution

To prevent electrostatic-discharge (ESD) damage, follow your normal board and component handling 
procedures.

Step 1

When connecting to workstations, servers, routers, and Cisco IP Phones, connect a straight-through 
cable to an RJ-45 connector on the front panel. (See 

Figure 2-10

.) When connecting to switches or 

repeaters, use a crossover cable. (See the 

“Cable and Adapter Specifications” section on page B-3

 for 

cable-pinout descriptions.)

Figure 2-10

Connecting to an Ethernet Port

Note

When you connect to 1000BASE-T-compatible devices, be sure to use a twisted four-pair, 
Category 5 cable.

Step 2

Connect the other end of the cable to an RJ-45 connector on the other device. The port LED turns on 
when both the blade switch and the connected device have established link.

The port LED is amber while Spanning Tree Protocol (STP) discovers the topology and searches for 
loops. This takes about 30 seconds, and then the port LED turns green. If the port LED does not turn on, 
the device at the other end might not be turned on, or there might be a cable problem or a problem with 
the adapter installed in the attached device. See 

Chapter 3, “Troubleshooting,”

 for solutions to cabling 

problems.

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Содержание Catalyst 3040

Страница 1: ... Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide September 2006 Text Part Number OL 10694 01 ...

Страница 2: ... the other of the television or radio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void t...

Страница 3: ...g Security Problems in Cisco Products x Product Alerts and Field Notices xi Obtaining Technical Assistance xi Cisco Technical Support Documentation Website xi Submitting a Service Request xii Definitions of Service Request Severity xiii Obtaining Additional Publications and Information xiii C H A P T E R 1 Product Overview 1 1 Features 1 1 Front Panel Description 1 2 Blade Switch Console Port 1 2 ...

Страница 4: ...2 6 Installing the Blade Switch in the BX600 System 2 6 Connecting through the Blade Switch Console Port 2 8 Connecting through the BX600 System Management Blade 2 9 Waiting for POST to Complete 2 12 Completing the Initial Configuration 2 13 Resetting the Switch Configuration 2 15 Installing and Removing SFP Modules 2 15 Installing SFP Modules into SFP Module Slots 2 15 Removing SFP Modules from S...

Страница 5: ...SFP Module Ports B 2 Console Port B 3 Cable and Adapter Specifications B 3 Two Twisted Pair Cable Pinouts B 3 Four Twisted Pair Cable Pinouts for 1000BASE T Ports B 4 Crossover Cable and Adapter Pinouts B 4 Identifying a Crossover Cable B 4 Adapter Pinouts B 5 A P P E N D I X C Configuring the Switch with the CLI Based Setup Program C 1 Accessing the CLI Through the Console Port C 1 Taking Out Wha...

Страница 6: ...Contents vi Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide OL 10694 01 ...

Страница 7: ...ftware configuration guide the blade switch command reference and the blade switch system message guide on the Cisco com Product Documentation home page Organization This guide is organized into these chapters Chapter 1 Product Overview is a physical and functional overview of the blade switch It describes the blade switch ports the standards they support and the blade switch LEDs Chapter 2 Blade ...

Страница 8: ... Catalyst Blade Switch 3040 for FSC that ships with the product The EMC regulatory statements are also included in that guide Related Publications You can order printed copies of documents with a DOC xxxxxx number For more information see the Obtaining Documentation section on page ix These documents provide complete information about the blade switch and are available from this Cisco com site htt...

Страница 9: ...most current Cisco documentation at this URL http www cisco com techsupport You can access the Cisco website at this URL http www cisco com You can access international Cisco websites at this URL http www cisco com public countries_languages shtml Product Documentation DVD The Product Documentation DVD is a library of technical product documentation on a portable medium The DVD enables you to acce...

Страница 10: ...assistance with security incidents that involve Cisco products Register to receive security information from Cisco A current list of security advisories security notices and security responses for Cisco products is available at this URL http www cisco com go psirt To see security advisories security notices and security responses as they are updated in real time you can subscribe to the Product Se...

Страница 11: ...duct Alerts and Cisco Field Notices You can receive Cisco Product Alerts and Cisco Field Notices by using the Product Alert Tool on Cisco com This tool enables you to create a profile and choose those products for which you want to receive information To access the Product Alert Tool you must be a registered Cisco com user To register as a Cisco com user go to this URL http tools cisco com RPF reg...

Страница 12: ...rmation narrow your search to look in technical documentation not the entire Cisco com website On the Cisco com home page click the Advanced Search link under the Search box and then click the Technical Support Documentation radio button To provide feedback about the Cisco com website or a particular technical document click Contacts Feedback at the top of any Cisco com web page Submitting a Servi...

Страница 13: ...dy compact reference tool that includes brief product overviews key features sample part numbers and abbreviated technical specifications for many Cisco products that are sold through channel partners It is updated twice a year and includes the latest Cisco channel product offerings To order and find out more about the Cisco Product Quick Reference Guide go to this URL http www cisco com go guide ...

Страница 14: ...ith Cisco experts and other networking professionals Join a discussion at this URL http www cisco com discuss networking What s New in Cisco Documentation is an online publication that provides information about the latest documentation releases for Cisco products Updated monthly this online publication is organized by product category to direct you quickly to the documentation for your products Y...

Страница 15: ...it Ethernet blade switch aggregates 10 internal servers and connects them to the network through 6 uplink ports Refer to the blade switch software configuration guide for examples that show how you might deploy the blade switch in your network These are the blade switch features 10 internal Gigabit Ethernet 1000BASE X ports 1 console port 2 external 10 100 1000BASE T copper Gigabit Ethernet ports ...

Страница 16: ...Status ID LED Blade Switch Console Port You can connect the switch module through its console port to a PC by using the RJ 45 to DB9 female cable that ships with the product If you need a spare cable you can order a kit part number ACS DSBUASYN directly from Cisco If you want to attach the switch module to any other device such as a terminal server you might need a different cable For console port...

Страница 17: ...four pair Category 5 cable for proper operation Pinouts for the cables are described in Appendix B Connector and Cable Specifications Note You can use the mdix auto interface configuration command in the CLI to enable the automatic medium dependent interface crossover auto MDIX feature When the auto MDIX feature is enabled the blade switch detects the required cable type for copper Ethernet connec...

Страница 18: ...X600 system web interface to identify a component which triggers the specified device to light its ID LED Console Port LEDs The blade switch console port LED is either green or amber Table 1 2 describes the console port LED colors and their meanings Port LEDs The port LEDs display information about each individual port The port LEDs are green amber or both Table 1 2 describes the port LED colors a...

Страница 19: ...e blade switch software is not involved in power control functions Management Options This section describes management options for the blade switch Using the Device Manager page 1 5 Using the Management Blade Web Interface page 1 6 Using the Command Line Interface page 1 8 Other Management Options page 1 8 Using the Device Manager The simplest way to manage the blade switch is by using the device...

Страница 20: ...evice manager online help for more information Using the Management Blade Web Interface You can monitor and manage the blade switches through the BX600 system web interface Follow these steps 1 Launch a web browser on your PC or workstation 2 Enter the BX600 system IP address in the web browser and press Enter The web interface appears 3 Click Switch Blade 1 Switch Blade 2 and so on to see the inf...

Страница 21: ...oduce the intended results See the BX600 system documentation for more information about setting these fields To enable polling click Enable and Apply The default polling period is 300 seconds To begin polling immediately after you click Enable and Apply click Reset under Reset the Switch Blade Before you manage the blade switch from its console port we recommend that you disable polling If you co...

Страница 22: ...ol Step 4 Use the CLI to enter commands to configure the blade switch See the blade switch software configuration guide and command reference for more information For quick setup instructions that use the CLI go to Appendix C Configuring the Switch with the CLI Based Setup Program Other Management Options You can use SNMP management applications such as CiscoWorks Small Network Management Solution...

Страница 23: ...the I O blade bays on the rear panel of the BX600 system This chapter also describes how to interpret the power on self test POST that ensures proper operation and how to make connections to the blade switch Read the topics and perform the procedures in this order Preparing for Installation page 2 1 BX600 System Architecture page 2 4 Overview of Steps for Installing and Initially Configuring the B...

Страница 24: ... and ground and can cause serious burns or weld the metal object to the terminals Statement 43 Warning Ethernet cables must be shielded when used in a central office environment Statement 171 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Statement 1001 Warning Read the installation instructions before connecting the system to the power sourc...

Страница 25: ...at it is not configured with a default username and password Be sure to observe these requirements For copper Ethernet ports cable lengths from the blade switch to connected devices can be up to 328 feet 100 meters See the documentation for the SFP module for more information about cable specifications for the SFP module connections Each port must match the wave length specifications on the other ...

Страница 26: ... blade switches are already installed and no unpacking is required The unpacking procedure applies only if a blade switch is ordered separately BX600 System Architecture The four chassis I O module slots are on the rear panel see Figure 2 1 You can insert blade switches into the NET1 NET2 NET3 and NET4 I O blade bays Figure 2 1 Rear View of the BX600 System 1 NET1 slot with blade switch installed ...

Страница 27: ...ment Interface IPMI connector for Fujitsu Siemens Computers service applications 7 KVM connector 2 2 The KVM connector uses a special cable to connect a VGA monitor a PS2 keyboard and a PS2 mouse 4 Green master indicator LED 190182 1 7 2 6 4 5 3 Table 2 1 Management Blade LED Descriptions LED Description Ethernet port Green On shows link is up blinking shows power is on Amber On shows LAN is activ...

Страница 28: ...terminal or ProcommPlus makes communication between the blade switch and your PC or terminal possible The PC communicates with the blade switch either through its console port or through the console port of BX600 system management blade To set up the blade switch through its console port start with the next section Installing the Blade Switch in the BX600 System To set up the blade switch through ...

Страница 29: ...tic protective package Step 5 Select the I O slot in which to install the blade switch Follow the installation requirements listed in the BX600 System Architecture section on page 2 4 Step 6 Ensure that the release latch on the blade switch is in the open position See Figure 2 3 Figure 2 3 Open the Blade Switch Release Latch Step 7 Slide the blade switch into the slot until it stops Step 8 Push th...

Страница 30: ...lade Switch Console Port section on page 2 8 If you are setting it up through the BX600 system management blade go to Step 6 in the Connecting through the BX600 System Management Blade section on page 2 9 Connecting through the Blade Switch Console Port Follow these steps to set up the blade switch by connecting it to a PC through the blade switch console port Step 1 Connect one end of the console...

Страница 31: ...arity b Set the terminal emulation speed to 9600 baud c Set the flow control to None Step 4 Go to the Waiting for POST to Complete section on page 2 12 to finish configuring the blade switch Connecting through the BX600 System Management Blade Follow these steps to set up the blade switch by connecting to a PC through the BX600 system management blade console port Step 1 Connect one end of a DB9 n...

Страница 32: ...8 data bits 1 stop bit and no parity b Set the terminal emulation speed to 115200 baud c Set Flow Control to none d Under Properties select VT100 for Emulation mode e Select Terminal keys for Function Arrow and Ctrl keys Make sure that you select Terminal keys not Windows keys Step 3 On the console monitor the management blade application displays a login screen Log in by using these defaults user...

Страница 33: ...u can reset the hot key in the Console Redirection Table menu Choose a character from A Z excluding M The hot key to exit console redirection and return to the previous mode is then Ctrl the character you have set For more information see the BX600 system documentation Step 5 Install the blade switch by following the instructions in the Installing the Blade Switch in the BX600 System section on pa...

Страница 34: ...t the user EXEC Switch prompt then enter reload at the privileged EXEC mode Switch prompt Waiting for POST to Complete Follow these steps Step 1 Wait several minutes for the blade switch to complete the POST The POST is complete when the System Status ID LED is off and the Console LED is solid green or amber If the blade switch fails POST because of a misconfiguration or error the System Status ID...

Страница 35: ...ement setup yes no yes Step 2 Enter a hostname for the blade switch after the prompt and press Return The hostname is limited to 20 characters Do not use n where n is a number as the last character in a host name for any blade switch Step 3 Enter an enable secret password and press Return The password can be from 1 to 25 alphanumeric characters can start with a number is case sensitive allows spac...

Страница 36: ...f the output is shown here The following configuration command script was created hostname switch1 enable secret 5 1 cagJ e4LP91PNazfdADoNAZm6y0 enable password enable_password line vty 0 15 password terminal password snmp server community public interface Vlan1 no shutdown ip address 10 0 0 1 255 255 255 0 interface GigabitEthernet0 1 interface GigabitEthernet0 2 output truncated interface Gigabi...

Страница 37: ...ection on page 2 13 to re enter the configuration information and set up your switch Installing and Removing SFP Modules These sections describe how to install and remove SFP modules The modules are inserted into the SFP module slots on the blade switch These field replaceable modules provide uplink interfaces You can use any combination of SFP modules Refer to the blade switch release notes for t...

Страница 38: ...ap to your wrist and to a bare metal surface on the chassis Step 2 Find the send TX and receive RX markings that identify the top side of the SFP module Note On some SFP modules the send and receive TX and RX markings might be replaced by arrows that show the direction of the connection either send or receive TX or RX Step 3 Align the SFP module in front of the slot opening Step 4 Insert the SFP m...

Страница 39: ...he optical ports of the SFP module to keep the optical interfaces clean Step 4 Unlock and remove the SFP module as shown in Figure 2 9 If the module has a bale clasp latch pull the bale out and down to eject the module If the bale clasp latch is obstructed and you cannot use your index finger to open it use a small flat blade screwdriver or other long narrow instrument to open the bale clasp latch...

Страница 40: ...edures Step 1 When connecting to workstations servers routers and Cisco IP Phones connect a straight through cable to an RJ 45 connector on the front panel See Figure 2 10 When connecting to switches or repeaters use a crossover cable See the Cable and Adapter Specifications section on page B 3 for cable pinout descriptions Figure 2 10 Connecting to an Ethernet Port Note When you connect to 1000BA...

Страница 41: ...to SFP modules For instructions on how to connect to fiber optic SFP modules see the Connecting to Fiber Optic SFP Modules section For instructions about how to install or remove an SFP module see the Installing and Removing SFP Modules section on page 2 15 Connecting to Fiber Optic SFP Modules Follow these steps to connect a fiber optic cable to an SFP module Caution Do not remove the rubber plug...

Страница 42: ...installed in the target device See Chapter 3 Troubleshooting for solutions to cabling problems Step 5 If necessary reconfigure and restart the blade switch or target device Where to Go Next If the default configuration is satisfactory the blade switch does not need further configuration You can use any of these management options to change the default configuration Using the Device Manager Access ...

Страница 43: ... Management Blade User Interface Description for more information Using the Command Line Interface The blade switch CLI is based on Cisco IOS software and enhanced to support desktop switching features You can fully configure and monitor the blade switch from the CLI You can access the CLI either by connecting your management station directly to the blade switch console port or by using Telnet fro...

Страница 44: ...2 22 Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide OL 10694 01 Chapter 2 Blade Switch Installation Where to Go Next ...

Страница 45: ... Switch Serial Number page 3 5 Understanding POST Results As the blade switch powers on it begins the POST a series of tests that runs automatically to ensure that the blade switch functions properly When the POST completes successfully the System Status ID LED is off and the Console LED is solid green or amber If the blade switch fails POST because of a misconfiguration or error the System Status...

Страница 46: ...lems and extensive troubleshooting documentation including Field notices Security advisories Troubleshooting resources Factory defaults Password recovery Recovery from corrupted or missing software Switch port problems Network interface cards Troubleshooting tools Common blade switch problems fall into these categories Poor performance No connectivity Corrupted software Table 3 1 describes how to ...

Страница 47: ...t and the attached device exceeds 328 feet 100 meters If the blade switch is attached to a repeater the total distance between the two end stations exceeds the cabling guidelines For SFP port connections The distance between the SFP module port and the attached device exceeds the SFP module cabling guidelines Refer to the blade switch software configuration guide for information on displaying port...

Страница 48: ...mulation software to 9600 baud Amber system LED Fatal POST error detected Contact Cisco Systems The blade switch port is placed in error disabled state after SFP module is inserted Bad or non Cisco approved SFP module Remove the SFP module from the blade switch and replace it with a Cisco approved module Use the errdisable recovery cause gbic invalid global configuration command to verify the port...

Страница 49: ...o Technical Assistance you need to know the serial number of your switch See Figure 3 1 to locate the serial number on your switch You can also use the show version command to get the serial number Figure 3 1 Serial Number Location on the Cisco Catalyst Blade Switch 3040 for FSC 190623 781 00458 01 A0 CISCOSERIALNUMBER CISCOPID VID SN XXXNNNNXXXX 11x 12x 13x 14x 15x 16x Console 11x 12x 13x 14x 15x...

Страница 50: ...3 6 Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide OL 10694 01 Chapter 3 Troubleshooting Locating the Blade Switch Serial Number ...

Страница 51: ... about safety compliance and electromagnetic compatibility Table A 1 Technical Specifications for the Cisco Catalyst Blade Switch 3040 for FSC Environmental Ranges Operating temperature 32 to 113 F 0 to 45 C Storage temperature 4 to 158 F 20 to 70 C Relative humidity 10 to 90 noncondensing Storage relative humidity 10 to 95 noncondensing Operating altitude 10 000 feet 3048 meters Storage altitude ...

Страница 52: ...A 2 Cisco Catalyst Blade Switch 3040 for FSC Hardware Installation Guide OL 10694 01 Appendix A Technical Specifications ...

Страница 53: ... or 1000BASE T SFP module port on the blade switch regardless of the type of device on the other end of the connection For configuration information for this feature refer to the blade switch software configuration guide or the command reference Connecting to 10BASE T and 100BASE TX Compatible Devices When you connect the ports to 10BASE T and 100BASE TX compatible devices such as servers workstat...

Страница 54: ... four twisted pair Category 5 crossover cable Figure B 6 shows the crossover cable schematics Note Be sure to use a four twisted pair Category 5 cable when connecting to a 1000BASE T compatible device Note Use a straight through cable to connect two ports only when one port is designated with an X Use a crossover cable to connect two ports when both ports are designated with an X or when both port...

Страница 55: ...port to a terminal You can order a kit part number ACS DSBUASYN containing that adapter from Cisco For console port and adapter pinout information see Table B 1 and Table B 2 Cable and Adapter Specifications These sections describe the cables and adapters used with the blade switch Two Twisted Pair Cable Pinouts Figure B 3 and Figure B 4 show the schematics of two twisted pair cables for connectin...

Страница 56: ...Crossover Cable and Adapter Pinouts This section describes how to identify a crossover cable and also describes the adapter pinouts Identifying a Crossover Cable To identify a crossover cable compare the two modular ends of the cable Hold the cable ends side by side with the tab at the back The wire connected to the pin on the outside of the left plug should be the same color as the wire connected...

Страница 57: ...he console port RJ 45 to DB 25 female DTE adapter and the console device Note The RJ 45 to DB 25 female DTE adapter is not supplied with the blade switch You can order a kit part number ACS DSBUASYN containing this adapter from Cisco Pin 1 H10632 Pin 8 Pin 1 on one connector and pin 8 on the other connector should be the same color Table B 1 Console Port Signaling Using a DB 9 Adapter Switch Conso...

Страница 58: ...Connector and Cable Specifications Cable and Adapter Specifications Table B 2 Console Port Signaling Using a DB 25 Adapter Switch Console Port DTE RJ 45 to DB 25 Terminal Adapter Console Device Signal DB 25 Pin Signal RTS 5 CTS DTR 6 DSR TxD 3 RxD GND 7 GND GND 7 GND RxD 2 TxD DSR 20 DTR CTS 4 RTS ...

Страница 59: ... 3 Connecting to the Console Port page C 2 4 Completing the Initial Configuration page C 4 Accessing the CLI Through the Console Port You can access the CLI on a configured or unconfigured blade switch by connecting the console port of the blade switch to the serial port on your PC or workstation and accessing the blade switch through a Telnet session Taking Out What You Need These items ship with...

Страница 60: ...pted Enable password not encrypted Telnet password SNMP community strings optional Step 1 Connect one end of the console cable to the blade switch console port Connect the other end of the cable to the serial port of the computer that is running the terminal emulation application See Figure C 1 You can use the mdix auto interface configuration command in the CLI to enable the automatic medium depe...

Страница 61: ...ion between the blade switch and your PC or terminal possible Configure the baud rate and character format of the PC or terminal to match these console port default characteristics 9600 baud 8 data bits 1 stop bit No parity None flow control Step 3 Wait for the blade switch to complete the POST It might take several minutes for the blade switch to complete POST Step 4 Verify that POST has complete...

Страница 62: ...er yes at these prompts Would you like to terminate autoinstall yes yes System Configuration Dialog Continue with configuration dialog yes no yes At any point you may enter a question mark for help Use ctrl c to abort configuration dialog at any prompt Default settings are in square brackets Basic management setup configures only enough connectivity for management of the system extended setup will...

Страница 63: ...IP address and subnet mask shown here are examples Configuring interface Vlan1 Configure IP on this interface yes IP address for this interface 10 0 0 1 Subnet mask for this interface 255 255 255 0 255 255 255 0 Class A network is 10 0 0 1 21 subnet bits mask is 21 Step 9 Enter no when the prompt asks you if you would like to enable the blade switch as a cluster command switch This blade switch is...

Страница 64: ... config 1 Return back to the setup without saving this config 2 Save this configuration to nvram and exit If you want to save the configuration and use it the next time the switch reboots save it in NVRAM by selecting option 2 Enter your selection 2 2 Make your selection and press Return Step 11 Disconnect the blade server serial port or the blade switch console port from the PC See the Management...

Страница 65: ...l 1 1 C cable lengths 2 3 cables crossover connecting to B 1 four twisted pair pinout 1000BASE T ports B 4 identifying B 4 two twisted pair pinout 10 100 ports B 3 straight through connecting to B 1 four twisted pair pinout 1000BASE T ports B 4 two twisted pair pinout B 3 cabling 10 100 1000 ports 1 3 2 18 auto MDIX 1 3 2 19 B 1 C 2 pinouts B 3 See also connectors and cables cautions viii Cisco IO...

Страница 66: ...2 document conventions viii E electrical codes warning 2 2 electrical noise avoiding 2 3 Ethernet cable shielding warning 2 2 Ethernet port connections warning 2 2 examples network configuration 1 1 F fan 1 1 fan control 1 1 features 1 1 to 1 2 front panel 10 100 1000 ports 1 3 description 1 2 LEDs 1 4 SFP module ports 1 3 H hot key on management blade console menu 2 11 I installation guidelines 2...

Страница 67: ...l adapter B 6 RJ 45 to DB 9 terminal adapter B 5 SFP module ports B 2 straight through cables four twisted pair 1000BASE T ports B 4 two twisted pair B 3 port LEDs 1 4 ports 10 100 1000 1 2 1 3 numbering of 10 100 1000 1 3 POST LEDs 3 1 output C 3 results 3 1 power control of system 1 5 procedures connection 2 18 to 2 19 installation 2 6 to 2 8 overview 2 6 publications related viii R rear panel d...

Страница 68: ...trol 1 1 temperature monitor 1 1 trained and qualified personnel warning 2 2 troubleshooting 3 1 to 3 4 U using the CLI to manage the blade switch 2 21 W warnings Class 1 laser 2 2 defined viii disposal of product 2 2 electrical codes 2 2 Ethernet cable shielding 2 2 Ethernet port connections 2 2 installation 2 2 installation instructions 2 2 jewelry removal 2 2 lightning activity 2 2 overheating ...

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