Juniper-networks EX8208 Manual de usuario

Complete Hardware Guide for EX8208 EthernetSwitchesPublished: 2010-08-11Revision 9Copyright © 2010, Juniper Networks, Inc.

Connecting an EX Series Switch to a Management Console . . . . . . . . . . . . . . . . . 181Connecting an EX Series Switch to a Modem . . . . . . . .

Table 33: Optical Interface Support for SFP+ Transceivers in 40-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet Standard

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 SwitchesSpecificationsEt

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Table 34: Optical Interface Support and Copper Interface Support for SFP Transceivers in48-port SFP Line Cards Used in EX8200 Switches (continued)Spec

Part 7 Returning HardwareChapter 16 Returning the Switch or Switch Components . . . . . . . . . . . . . . . . . . . . . . . . 241Returning an EX8200 S

switches. They are suitable for short distances up to 7 m, making them ideal for highlycost-effective networking connectivity within a rack and betwee

Table 35: SFP+ Direct Attach Cable SpecificationsSpecificationModel10 Gbps full-duplex serial transmissionRateEX-SFP-10GE-DAC-1mSFP+ passive Twinax ca

Table 35: SFP+ Direct Attach Cable Specifications (continued)SpecificationModel10 Gbps full-duplex serial transmissionRateEX-SFP-10GE-DAC-5mSFP+ passi

Standards Supported by These CablesThe cables comply with the following standards:•SFP mechanical standard SFF-843—see ftp://ftp.seagate.com/sff/SFF-8

NOTE: Grounding is provided to an AC-powered switch when you plugits power suppliesinto grounded AC power receptacles.Figure 32 on page 88 shows the c

PART 2Planning for Switch Installation•Site Preparation on page 91•Rack and Cabinet Requirements on page 97•Cable Requirements on page 105•Planning Po

Copyright © 2010, Juniper Networks, Inc.90Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 4Site Preparation•Site Preparation Checklist for an EX8200 Switch on page 91•General Site Guidelines for EX Series Switches on page 93•Site El

Table 36: Site Preparation Checklist (continued)DatePerformed ByFor More InformationItem or Task“AC Power Specifications for EX8200Switches” on page 1

Table 36: Site Preparation Checklist (continued)DatePerformed ByFor More InformationItem or Task“Rack Requirements for an EX8208Switch” on page 97Rack

DC Power Electrical Safety Guidelines for EX Series Switches . . . . . . . . . . . . . . 296DC Power Disconnection Warning for EX Series Switches . .

Related Topics Prevention of Electrostatic Discharge Damage on EX Series Switches on page 292•• Clearance Requirements for Airflow and Hardware Mainte

Table 37: Site Electrical Wiring Guidelines (continued)GuidelinesSite Wiring FactorIf your site is susceptible to problems with electromagneticcompati

Table 38: EX Series Switch Environmental Tolerances (continued)ToleranceDescriptionNormal operation ensured in relative humidity range of 10% through8

CHAPTER 5Rack and Cabinet Requirements•Rack Requirements for an EX8208 Switch on page 97•Cabinet Requirements and Specifications for an EX8208 Switch

Table 39: Rack Requirements and Specifications for an EX8208 SwitchGuidelinesRack RequirementUse a four-post rack or a two-post rack. You can mount th

Figure 33: Installing an EX8208 Switch in a Four-Post RackFigure 34: Installing an EX8208 Switch in a Two-Post RackRelated Topics Rack-Mounting and Ca

Cabinet Requirements and Specifications for an EX8208 SwitchYou can mount an EX8208 switch on a cabinet that contains a 19-in. rack as defined inCabin

Table 40: Cabinet Requirements and Specifications for an EX8208 Switch (continued)Guidelines for the EX8208 SwitchCabinet RequirementWhen you mount th

Figure 35: Airflow Through the EX8208 Switch Chassis•If you are mounting the switch on a rack or cabinet along with other equipment, ensurethat the ex

Figure 36: Clearance Requirements for Airflow and Hardware Maintenancefor an EX8208 Switch ChassisRelated Topics • Cabinet Requirements and Specificat

List of FiguresPart 1 Switch and Components Overview and SpecificationsChapter 1 EX8208 Switch Overview . . . . . . . . . . . . . . . . . . . . . . .

Copyright © 2010, Juniper Networks, Inc.104Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 6Cable Requirements•Cables Connecting the EX8200 Switch to Management Devices on page 105•Understanding EX8200 Switch Fiber-Optic Cable Signal

Understanding EX8200 Switch Fiber-Optic Cable Signal Loss, Attenuation, andDispersionTo determine the power budget and power margin needed for fiber-o

•Modal dispersion, which is the spreading of the signal over time caused by the differentpropagation modes in the fiber.For multimode transmission, mo

Copyright © 2010, Juniper Networks, Inc.108Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 7Planning Power Requirements•AC Power Specifications for EX8200 Switches on page 109•DC Power Specifications for EX8200 Switches on page 110•P

Table 43: Power Specifications for a 3000 W AC Power Supply in an EX8200 SwitchSpecificationsItemOperating range:•High-voltage line—200–240 VACNOTE: L

Table 45: Power Specifications for a 2000 W DC Power Supply Used in an EX8208 SwitchSpecificationsItem•Minimum operating voltage: –40 VDC•Nominal oper

• Calculating Power Requirements for an EX8208 Switch on page 114AC Power Cord Specifications for an EX8200 SwitchEach AC power supply has a single AC

Table 47: AC Power Cord Specifications for an EX8200 Switch (continued)Plug StandardsElectrical SpecificationsCountry/Region•NEMA 6–20•NEMA L6–20250 V

Part 2 Planning for Switch InstallationChapter 5 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CAUTION: AC power cords for EX8200 switches are intended for use with this switchonly and not for any other use.Power Cable Warning (Japanese)WARNING:

This topic describes these tasks:•Calculating the Power Consumption of Your EX8208 Switch Configuration on page 115•Calculating System Thermal Output

Table 49: Chassis Power Consumption for N+N Configurations RunningJunos OS Release 10.2 or LaterRedundant ConfigurationBase ConfigurationChassis Compo

To calculate the system thermal output:1. Determine the maximum system power consumption of your switch in watts. See“Calculating the Power Consumptio

To calculate the number of power supplies required for your switch configuration:1. Determine the power requirement of the base chassis (that is, the

3. Calculate the number of power supplies (N) required to meet the total powerrequirement by dividing the total power requirement by the output wattag

NOTE: We recommend that you maintain N +1 or N+N power supplies in your switchat all times. Replace failed power supplies immediately to prevent unexp

2. Calculate the power budget (PB) by subtracting (PR) from (PT):–15 dBm – (–28 dBm) = 13 dBmRelated Topics Calculating the EX8200 Switch Fiber-Optic

Table 51: Estimated Values for Factors Causing Link Loss (continued)Sample (LL) Calculation ValuesEstimated Link-Loss ValueLink-Loss FactorThis exampl

PART 3Installing and Connecting the Switch andSwitch Components•Installing the Switch on page 125•Installing Switch Components on page 149•Connecting

Figure 66: Power Cord Retainer in an AC Power Supply . . . . . . . . . . . . . . . . . . . . 174Figure 67: Connecting the Power Supply Cord to an EX82

Copyright © 2010, Juniper Networks, Inc.124Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 8Installing the Switch•Installing and Connecting an EX8208 Switch on page 125•Unpacking an EX8200 Switch on page 126•Parts Inventory (Packing

To connect the switch to a network for out-of-band management, follow instructions in“Connecting an EX Series Switch to a Network forOut-of-Band Manag

To unpack the switch (see Figure 39 on page 128 and Figure 40 on page 129):1. Move the shipping box to a staging area as close to the installation sit

Figure 39: Unpacking an EX8208 SwitchCopyright © 2010, Juniper Networks, Inc.128Complete Hardware Guide for EX8208 Ethernet Switches

Figure 40: Unpacking an EX8216 SwitchRelated Topics Mounting an EX8208 Switch on a Rack or Cabinet on page 138•• Mounting an EX8216 Switch on a Rack o

Parts Inventory (Packing List) for an EX8208 SwitchThe switch shipment includes a packing list. Check the parts you receive in the switchshipping crat

Table 53: Accessory Box Parts ListQuantityComponent1Label, accessories contents1Accessory kit box1Quick Start installation instructions1Left front adj

NOTE: You must provide mounting screws that are appropriate for your rack tofront-mount the chassis on a rack or a cabinet.For two-post rack installat

•16 mounting screws appropriate for your rack to attach the four mounting bracketpieces to the rackWhen you install the adjustable mounting brackets,

Part 7 Returning HardwareChapter 16 Returning the Switch or Switch Components . . . . . . . . . . . . . . . . . . . . . . . . 241Figure 96: Location o

Figure 41: Adjustable Mounting Brackets for Four-Post Rack Installation6. Position the right front adjustable mounting bracket at the desired position

Figure 42: Adjustable Mounting Brackets Installed in a Four-Post Rack(EX8208 Switch)Figure 43: Adjustable Mounting Brackets Installed in a Four-Post R

an EX8208 switch in a two-post rack, you must install the power cord tray in the rackbefore installing the switch.NOTE: The EX8216 switch can be insta

Figure 44: Installing the Power Cord Tray in a Four-Post RackFigure 45: Power Cord Tray Installed in a Two-Post RackRelated Topics Mounting an EX8208

Mounting an EX8208 Switch on a Rack or CabinetThe EX8208 switch ships installed with front-mounting brackets on the chassis formounting the switch on

•A Phillips (+) screwdriver, number 1, to remove the power supplies from the chassis ifyou are mounting the switch without using a mechanical lift•24

Figure 46: Installing an EX8208 Switch in a Two-Post RackFigure 47: Installing an EX8208 Switch in a Four-Post RackRelated Topics Connecting AC Power

Mounting an EX8208 Switch on a Rack or Cabinet Using a Mechanical LiftBecause of the switch's size and weight, we strongly recommend using a mech

CAUTION: If you are installing more than one switch in a rack or cabinet, install the firstswitch at the bottom of the rack.To install the switch usin

rails. The adjustable mounting brackets installed in the rack ensure that the holesin the front-mounting brackets align with the holes in the rack rai

List of TablesPart 1 Switch and Components Overview and SpecificationsChapter 1 EX8208 Switch Overview . . . . . . . . . . . . . . . . . . . . . . . .

CAUTION: Before front-mounting the switch in a rack, have a qualified technician verifythat the rack is strong enough to support the switch's wei

To install the switch in the rack or cabinet (see Figure 50 on page 146 and Figure 51 onpage 147):CAUTION: If you are installing more than one switch

adjustable mounting brackets ensure that the holes in the front-mounting bracketsattached to the chassis align with the holes in the rack rails.In a t

Figure 51: Installing an EX8208 Switch in a Two-Post RackAfter you install the mounting screws and securely bolt the chassis to the rack, reinstallthe

Copyright © 2010, Juniper Networks, Inc.148Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 9Installing Switch Components•Installing and Removing EX8208 Switch Hardware Components on page 149•Installing an AC Power Supply in an EX8200

All the line cards are hot-removable and hot-insertable. However, we recommend thatyou take them offline before removing them.TheAC and DC power suppl

Before you install an AC power supply in the switch:•Ensure you understand how to prevent ESD damage. See “Prevention of ElectrostaticDischarge Damage

10. Push the captive screw into the power supply faceplate. Ensure that the screw isseated inside the corresponding hole on the faceplate.11. Tighten

•Ensure you understand how to prevent ESD damage. See “Prevention of ElectrostaticDischarge Damage on EX Series Switches” on page 292.Ensure that you

Table 24: N+N Power Supply Requirements for EX8216 Switch ConfigurationsUsing 3000 W AC Power Supplies (Junos OS Release 10.2 or LaterOnly) . . . . .

Figure 53: Installing a DC Power Supply in an EX8200 SwitchRelated Topics Removing a DC Power Supply from an EX8200 Switch on page 209•• DC Power Supp

1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, andconnect the strap to the ESD point on the chassis.2. Hold the handl

NOTE: We recommend that you install two SRE modules for redundancy. If you installonly one SRE module, we recommend that you install it in the slot SR

Supply in an EX8200 Switch” on page 150. If there are enough power supplies in theswitch, remove and install the SRE module again. See “Removing an SR

Before you begin installing an SF module in an EX8208 switch:•Ensure you understand how to prevent ESD damage. See “Prevention of ElectrostaticDischar

Figure 56: Installing an SF Module in an EX8208 SwitchRelated Topics Removing an SF Module from an EX8208 Switch on page 217•• Switch Fabric (SF) Modu

1. Move the shipping carton to a staging areaas close tothe installation site as possible.2. Position the carton so that the arrows are pointing up.3.

•Ensure that you know how to handle and store the line card (see “Handling and StoringLine Cards in EX8200 Switches” on page 227).•Ensure the switch h

are not as markedly distinguishable as those of the longer ones (see Figure 59 onpage 162).Figure 59: Closed and Open Positions of the 2-in. Ejector L

Figure 61: Installing a Line Card with a 4-in. Ejector Lever9. Tighten the captive screws on the faceplate of the line card by using the screwdriver.1

Table 48: Chassis Power Consumption for N+1 Configurations and for N+NConfigurations Running Junos OS Release 10.1 or Earlier . . . . . . . . . . . .

NOTE: On an EX3200 switch, if you install a transceiver in a 1-gigabit uplink moduleport, a corresponding network port from the last four built-in por

WARNING: Do not look directly into a fiber-optic transceiver or into the ends offiber-optic cables. Fiber-optic transceivers and fiber-optic cables co

Figure 63: Connecting a Fiber-Optic Cable to an Optical TransceiverInstalled in an EX Series Switchg027016Fiber-optic cableTransceiver4. Secure the ca

CHAPTER 10Connecting the Switch•Connecting Earth Ground to an EX Series Switch on page 167•Connecting AC Power to an EX8200 Switch on page 173•Connect

CAUTION: Using a grounding cable with an incorrectly attached lug can damage theswitch.Follow the procedure that applies to your switch:•Connecting Ea

3. Secure the grounding lug to the protective earthing terminal with screws.4. Dress the grounding cable and ensure that it does not touch or block ac

Figure 65: Connecting the Grounding Lug to an EX4200 Switch on aFour-Post Rack3. Secure the grounding lug to the protective earthing terminal with scr

•Washers and 10-32x.25-in. screws to secure the grounding lug to the protective earthingterminal•Phillips (+) screwdriver, number 2To connect earth gr

1. Connect one end of the grounding cable to a proper earth ground, such as the rackin which the switch is mounted.2. Place the grounding lug attached

• Connecting DC Power to an EX8200 Switch on page 175• General Safety Guidelines and Warnings for EX Series Switches on page 263• Grounded Equipment W

Juniper Networks, Inc.1194 North Mathilda AvenueSunnyvale, California 94089USA408-745-2000www.juniper.netThis product includes the Envoy SNMP Engine,

Copyright © 2010, Juniper Networks, Inc.xxComplete Hardware Guide for EX8208 Ethernet Switches

WARNING: Ensure that the power cords do not block access to switch components ordrape where people can trip on them.To connect AC power to an EX8200 s

11. Verify that the INPUT OK LED on the power supply faceplate is lit and is on steadily.12. Repeat steps 2 through 11 for the remaining power supplie

CAUTION: Before you connect power to the switch, a licensed electrician must attacha cablelugtothe grounding and powercables that you supply. A cable

The provided cable lugs in an EX8216 switch are sized for 2 AWG (33.6 mm2) powersource cables. The DC power source cables that you provide must be 2 A

5. Ensure that the power source circuit breaker is open so that the voltage across theDC power source cable leads is 0 V and that the cable leads do n

Figure 69: Connecting the Power Supply Cables to an EX8200 Switch8. Install the plastic cable cover over each set of power cables, using the number 2P

• DC Power Supply in an EX8200 Switch on page 48• DC Power Supply LEDs in an EX8200 Switch on page 50Powering On an EX8200 SwitchBefore you power on t

7. Flip a powersupply’s Enable switch to the on position (ON). See Figure 71 on page 181.Observe the power supply faceplate LEDs. If the power supply

Ensure that you have an Ethernet cable with an RJ-45 connector available. An RJ-45cable and an RJ-45 to DB-9 serial port adapter are supplied with the

Figure 74: Connecting an EX Series Switch Directly to a ManagementConsoleg020570Laptop CPUTo Console port(on the switch)Related Topics Connecting an E

About This Topic Collection•How to Use This Guide on page xxi•List of EX Series Guides for Junos OS Release 10.3 on page xxi•Downloading Software on p

NOTE: The default serial console speed is 9600 baud.To change the serial console speed:1. Power on the switch. (If the switch is an EX8208 or EX8216 m

3. From the computer, start your asynchronous terminal emulation application (suchasMicrosoftWindows HyperTerminal) and selectthe COM port to which th

Figure 75: Ethernet Cable ConnectorNOTE: If your laptop or PC does not have a DB-9 male connector pin and you want toconnect your laptopor PC directly

Related Topics Connecting an EX Series Switch to a Management Console on page 181•• Console Port Connector Pinout Information for an EX Series Switch

Figure 77: Connecting an EX Series Switch to a Network for Out-of-BandManagementg020548Management PCManagement PCManagement PCTo Management port(on th

CHAPTER 11Performing Initial Configuration•EX8200 Switch Default Configuration on page 189•Connecting and Configuring an EX Series Switch (CLI Procedu

}protocols {igmp-snooping {vlan all;}lldp {interface all;}rstp;}ethernet-switching-options {storm-control {interface all;}}Related Topics Configuratio

•Stop Bits—1•DCD State—DisregardTo connect and configure the switch from the console:1. Connect the console port to a laptop or PC using the RJ-45 to

The configured parameters are displayed. Enter yes to commit the configuration.The configuration is committed as the active configuration for the swit

To connect and configure the switch using the J-Web interface:1. Transition the switch into initial setup mode:•EX2200 switch—Press the mode button lo

DescriptionTitleComponent descriptions, site preparation, installation,replacement, and safety and compliance informationfor EX8208 switchesComplete H

•Enter the hostname. This is optional.•Enter a password and reenter the password.•Specify the time zone.•Synchronize the date and time settings of the

NOTE: After the configuration is committed, the connectivity between the PC and theswitch might be lost. To renew the connection, release and renew th

Copyright © 2010, Juniper Networks, Inc.196Complete Hardware Guide for EX8208 Ethernet Switches

PART 4Removing the Switch and SwitchComponents•Removing the Switch on page 199•Removing Switch Components on page 207197Copyright © 2010, Juniper Netw

Copyright © 2010, Juniper Networks, Inc.198Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 12Removing the Switch•Powering Off an EX8200 Switch on page 199•Removing an EX8208 Switch from a Rack or Cabinet on page 201•Removing an EX820

This command shuts down the backup SRE or RE module gracefully. A messagedisplays on the console confirming that the backup SRE/RE module has halted.3

Removing an EX8208 Switch from a Rack or CabinetIf you want to move an installed EX8208 switch to another location, you need to removeit from the rack

an EX8208 Switch from a Rack or Cabinet Using a Mechanical Lift” on page 202. If amechanical lift is not available, remove all components and manually

To remove the switch using a lift (see Figure 79 on page 203):1. Use the appropriate Phillips (+) screwdriver to remove the 24 mounting screws thatatt

DescriptionTitleJUNOS®OS for EX Series Switches, Release 10.3: Spanning-Tree ProtocolsJUNOS®OS for EX Series Switches, Release 10.3: System Monitoring

CAUTION: The chassis with only the backplane and no other components weighsapproximately 89 lb (41 kg). Lifting the chassis and removing it from a rac

Ensure that you have the following parts and tools available to remove the switch:•A Phillips (+) screwdriver, number 2 or number 3, depending on the

•Installing a Line Card in an EX8200 Switch on page 160•Installing a Fan Tray in an EX8208 Switch on page 154•Installing an AC Power Supply in an EX82

CHAPTER 13Removing Switch Components•Removing an AC Power Supply from an EX8200 Switch on page 207•Removing a DC Power Supply from an EX8200 Switch on

•Replacement power supply or a cover panel for the power supply slotCAUTION: Do not leave the power supply slot empty for a long time while the switch

Figure 81: Removing an AC Power Supply from an EX8200 SwitchRelated Topics Installing an AC Power Supply in an EX8200 Switch on page 150•• AC Power Su

•Phillips (+) screwdriver, number 2•3/8 in. (9.5 mm) nut driver or socket wrench•Replacement power supply or cover panel for the power supply slotCAUT

10. Pull the handle away from the faceplate of the power supply until it is perpendicularto the faceplate.11. Taking care not to touch power supply co

•Ensure you understand how to prevent ESD damage. See “Prevention of ElectrostaticDischarge Damage on EX Series Switches” on page 292.Ensure that you

Figure 84: Removing a Fan Tray from an EX8208 SwitchRelated Topics Installing a Fan Tray in an EX8208 Switch on page 154•• Cooling System and Airflow

Documentation Symbols KeyNotice IconsDescriptionMeaningIconIndicates important features or instructions.Informational noteIndicates a situation that m

1. Determine whether the SRE module is the master or backup using one of thesemethods:•Look at the MS (master) LED on the SRE module faceplate. If the

Removing an SRE Module from an EX8208 SwitchYou must remove the Switch Fabric and Routing Engine (SRE) module from the EX8208switch chassis if you nee

Figure 85: Removing an SRE Module from an EX8208 SwitchRelated Topics Installing an SRE Module in an EX8208 Switch on page 155•• Switch Fabric and Rou

• Removing an SF Module from an EX8208 Switch on page 217• Switch Fabric (SF) Module in an EX8208 Switch on page 28Removing an SF Module from an EX820

8. Place the SF module in the antistatic bag or on the antistatic mat.9. If you are not replacing the SF module, install the cover panel over the empt

Ensure that you have the following parts and tools available to remove a line card froman EX8200 switch chassis:•ESD grounding strap•Phillips (+) scre

7. Grasp the ejector levers and gently slide the line card halfway out of the chassis (seeFigure 89 on page 220 and Figure 90 on page 220).Figure 89:

CAUTION: After removing a line card, wait for at least 30 seconds before installing aline card or removing another line card.9. If you are not install

WARNING: Do not leave a fiber-optic transceiver uncovered except when inserting orremoving a cable. The rubber safety cap keeps the port clean and pre

WARNING: Do not leave a fiber-optic transceiver uncovered except when inserting orremoving a cable. The rubber safety cap keeps the port clean and pre

Text and Syntax ConventionsExamplesDescriptionConventionbroadcast | multicast(string1 | string2 | string3)Indicates a choice between the mutuallyexclu

• Optical Interface Support in EX2200 Switches• Optical Interface Support in EX3200 and EX4200 Switches• Optical Interface Support in EX4500 Switches•

PART 5Switch and Component Maintenance•Routine Maintenance on page 227225Copyright © 2010, Juniper Networks, Inc.

Copyright © 2010, Juniper Networks, Inc.226Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 14Routine Maintenance•Handling and Storing Line Cards in EX8200 Switches on page 227•Maintaining Line Card Cables in EX8200 Switches on page 2

Holding a Line CardYou must hold a line card horizontally when installing it in the chassis. You may hold aline card vertically or horizontally when c

Figure 93: Do Not Grasp the Connector EdgeNever carry the line card while holding the faceplate with only one hand.Do not rest any edge of a line card

If you must rest a line card temporarily on an edge, place a cushion between the edgeand the surface.Do not stack line cards on top of one another or

Maintaining Line Card Cables in EX8200 SwitchesComponents in the line cards are fragile. To extend the lives of your line card cables andto avoid prob

unplugging is then absorbed by the short fiber extension, which is easier and lessexpensive to replace than the instruments.•Keep fiber-optic cable co

Removing a Battery from an EX8208 Switch for RecyclingThe EX8208 switch contains a CR2032 2.7-volt lithium battery on each Switch Fabricand Routing En

Requesting Technical SupportTechnical product support is available through the Juniper Networks Technical AssistanceCenter (JTAC). If you are a custom

Figure 95: Location of the CR2032 Battery in an SRE Moduleg020405CR2032 batteryEjector leversCaptive screwRelated Topics • Taking the SRE Module Offli

PART 6Troubleshooting Switch Components•Troubleshooting Switch Components on page 237235Copyright © 2010, Juniper Networks, Inc.

Copyright © 2010, Juniper Networks, Inc.236Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 15Troubleshooting Switch Components•Troubleshooting Line Card Installation on EX8200 Switches on page 237Troubleshooting Line Card Installatio

• 40-port SFP+ Line Card in an EX8200 Switch on page 31• 48-port SFP Line Card in an EX8200 Switch on page 33• 48-port RJ-45 Line Card in an EX8200 Sw

PART 7Returning Hardware•Returning the Switch or Switch Components on page 241239Copyright © 2010, Juniper Networks, Inc.

Copyright © 2010, Juniper Networks, Inc.240Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 16Returning the Switch or SwitchComponents•Returning an EX8200 Switch or Component for Repair or Replacement on page 241•Locating the Serial N

Locating the Serial Number on an EX8200 Switch or ComponentIf you are returning a switch or hardware component to Juniper Networks for repair orreplac

Xcvr 6 REV 01 740-021308 88D709A00136 SFP+-10G-SR Xcvr 7 REV 01 740-021308 88D709A00137 SFP+-10G-SRPSU 3

PART 1Switch and Components Overview andSpecifications•EX8208 Switch Overview on page 3•Component Descriptions on page 17•Component Specifications on

Xcvr 23 REV 01 740-011613 E08E04370 SFP-SX Xcvr 24 REV 01 740-011613 E08C02744 SFP-SX Xcvr 25 REV 01

Figure 96: Location of the Serial Number ID Label on EX8208 SwitchChassisThe serial number ID label is located near the bottom on the left side of the

Locating Serial Number ID Labels on FRU ComponentsThe power supplies, fan tray, SRE modules, RE modules, SF module, and line cardsinstalled in an EX82

Figure 99: Location of the Serial Number ID Label on a 3000 W AC PowerSupply•DC Power supplies—The serial number ID label is on the left side of the D

Figure 101: Location of the Serial Number ID label on the Fan Tray Usedin an EX8208 Switch•Fan trays in an EX8216 switch—The serial number ID label is

Figure 102: Location of the Serial Number ID label on the Fan Tray Usedin an EX8216 Switch•Switch Fabric and Routing Engine (SRE) module in an EX8208

Figure 104: Location of the Serial Number ID Label on the RE Module•Switch Fabric (SF) module in an EX8208 switch— See Figure 105 on page 250 to seeth

Figure 106: Location of the Serial Number ID Label on the SF Module Usedin an EX8216 Switch•8-port SFP+ line card—See Figure 107 on page 251 to see th

•40-port SFP+ line card—See Figure 108 on page 252 to see the location of the serialnumber ID label on this line card. See “Removing a Line Card from

Figure 110: Location of the Serial Number ID Label on the 48-Port RJ-45Line CardRelated Topics Contacting Customer Support to Obtain Return Materials

Copyright © 2010, Juniper Networks, Inc.2Complete Hardware Guide for EX8208 Ethernet Switches

You can contact JTAC 24 hours a day, seven days a week on the Web or by telephone:•Case Manager at CSC: http://www.juniper.net/cm/•Telephone: +1-888-3

This topic describes:1. Packing an EX8200 Switch on page 2552. Packing EX8200 Switch Components for Shipping on page 258Packing an EX8200 SwitchIf you

To pack the switch (see Figure 112 on page 258):1. Move the wooden pallet and packing material to a staging area as close to the switchas possible. Ma

Figure 111: Insert Pallet Fasteners in the Cardboard Box11. Write the RMA number on the exterior of the box to ensure proper tracking.257Copyright © 2

Figure 112: Packing an EX8200 SwitchPacking EX8200 Switch Components for ShippingTo pack EX8200 switch components, follow the instructions here. For i

CAUTION: Do not stack switch components. Return individual components in separateboxes if they do not fit together on one level in the shipping box.To

To pack a line card:1. Place the line card in the antistatic bag.2. Place the line card in the shipping carton.3. Place the packing foam on top of and

PART 8Safety Information•General Safety Information on page 263•Radiation and Laser Warnings on page 269•Installation and Maintenance Safety Informati

Copyright © 2010, Juniper Networks, Inc.262Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 17General Safety Information•General Safety Guidelines and Warnings for EX Series Switches on page 263•Definitions of Safety Warning Levels fo

CHAPTER 1EX8208 Switch Overview•EX8208 Switch Hardware Overview on page 3•EX8208 Switch Configurations on page 6•Chassis Physical Specifications of an

•Replace fuses only with fuses of the same type and rating.•Do not open or remove chassis covers or sheet-metal parts unless instructions areprovided

WARNING: This symbol means danger. You are in a situation that could cause bodilyinjury. Before you work on any equipment, be aware of the hazards inv

equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, ecom quaisquer práticas comuns que possam prevenir possíveis acident

Type C fire extinguishers, which use noncorrosive fire retardants such as carbon dioxideand Halotron™, are most effective for suppressing electrical f

Advarsel Kun kvalifisert personell med riktig opplæring bør montere eller bytte ut detteutstyret.Aviso Este equipamento deverá ser instalado ou substi

CHAPTER 18Radiation and Laser Warnings•Laser and LED Safety Guidelines and Warnings for EX Series Switches on page 269•Radiation from Open Port Apertu

Waarschuwing Klasse-1 laser produkt.Varoitus Luokan 1 lasertuote.Attention Produit laser de classe I.Warnung Laserprodukt der Klasse 1.WARNING: Avvert

WARNING: Waarschuwing Niet in de straal staren of hem rechtstreeks bekijken metoptische instrumenten.WARNING: Varoitus Älä katso säteeseen äläkä tarka

• Optical Interface Support in EX8200 Switches on page 60Radiation from Open Port Apertures Warning for EX Series SwitchesWARNING: Because invisible r

WARNING: ¡Atención! Debido a que la apertura del puerto puede emitir radiacióninvisible cuando no existe un cable de fibra conectado, evite mirar dire

SOFTWARE LICENSEThe terms and conditions for using this software are described in the software license contained in the acknowledgment to your purchas

Chassis Physical SpecificationsThe EX8208 switch is 14 rack units (14 U) in size (1/3 rack); three EX8208 switches canfit in a standard 42 U rack. Eac

Copyright © 2010, Juniper Networks, Inc.274Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 19Installation and Maintenance SafetyInformation•Installation Instructions Warning for EX Series Switches on page 275•Chassis Lifting Guidelin

Varning! Läs installationsanvisningarna innan du kopplar systemet till dessströmförsörjningsenhet.Related Topics General Safety Guidelines and Warning

heavier back end. The person lifting from the back must be aware of this behavior andbe braced to prevent the chassis from tipping over.•Before liftin

Rack-Mounting and Cabinet-Mounting Warnings for EX Series SwitchesEnsure that the rack or cabinet in which the EX Series switch is installed is evenly

•Jos laiteasetetaanosaksi täytettyyn telineeseen, aloita kuormittaminensen alaosastakaikkein raskaimmalla esineellä ja siirry sitten sen yläosaan.•Jos

il sistema rimanga stabile. Le seguenti direttivevengono fornite per garantire la sicurezzapersonale:•Il Juniper Networks switch deve essere installat

WARNING: ¡Atención! Para evitar lesiones durante el montaje de este equipo sobre unbastidor, o posteriormente durante su mantenimiento, se debe poner

Grounded Equipment Warning for EX Series SwitchesWARNING: The switch is intended to be grounded. During normal use, ensure that youhave connected eart

Battery Handling WarningWARNING: Replacing a battery incorrectly might result in an explosion. Replace abattery only with the same or equivalent type

Routing Engines and Switch FabricSwitching functionality, system management, and systemcontrol functions of an EX8208switch are performed by a Switch

WARNING: ¡Atención! Existe peligro de explosión si la batería se reemplaza de maneraincorrecta. Reemplazar la batería exclusivamente con el mismo tipo

WARNING: Avvertenza Prima di intervenire su apparecchiature collegate alle linee dialimentazione, togliersi qualsiasi monile (inclusi anelli, collane,

WARNING: Attention Ne pas travailler sur le système ni brancher ou débrancher lescâbles pendant un orage.WARNING: Warnung Arbeiten Sie nicht am System

WARNING: Varoitus Ettei Juniper Networks switch-sarjan reititin ylikuumentuisi, sitäei saa käyttää tilassa, jonka lämpötila ylittää korkeimman suosite

WARNING: Varning! Förhindra att en Juniper Networks switch överhettas genom attinte använda den i ett område där den maximalt rekommenderadeomgivnings

WARNING: Varning! Slutlig kasseringav denna produktbör skötas i enlighet med landetsalla lagar och föreskrifter.Related Topics • General Safety Guidel

Copyright © 2010, Juniper Networks, Inc.290Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 20Power and Electrical Safety Information•General Electrical Safety Guidelines and Warnings for EX Series Switches on page 291•Prevention of E

•Install the EX Series switch in compliance with the following local, national, andinternational electrical codes:•United States—National Fire Protect

•Always use an ESD grounding strap when you are handling components that are subjectto ESD damage, and make sure that it is in direct contact with you

Power SuppliesPower supplies for the EX8208 switch are fully redundant, load-sharing, andhot-removable and hot-insertable field-replaceable units (FRU

• See Chassis Physical Specifications of an EX8208 Switch on page 9 for the ESD pointlocation.• See Chassis Physical Specifications of an EX8216 Switc

• Multiple Power Supplies Disconnection Warning for EX Series Switches on page 302• Connecting AC Power to an EX2200 Switch• Connecting AC Power to an

DC Power Electrical Safety Guidelines for EX Series SwitchesThe following electrical safety guidelines apply to a DC-powered switch:•A DC-powered swit

• DC Power Disconnection Warning for EX Series Switches on page 297• DC Power Grounding Requirements and Warning for EX Series Switches on page 298• D

strømbryteren på brytertavlen som betjener likestrømkretsen, slå strømbryteren AV ogteipe bryterhåndtaket på strømbryteren i AV-stilling.Aviso Antes d

Attention Lorsde l'installation de l'appareil, lamise à la terredoit toujours être connectéeen premier et déconnectée en dernier.Warnung Der

est rectifiépour rectifier, +RTN à +RTN,puis –48 V à –48 V. En débranchant la puissance,l'ordre approprié de câblage est –48 V à –48 V, +RTN à +R

• DC Power Wiring Terminations Warning for EX Series Switches on page 301DC Power Wiring Terminations Warning for EX Series SwitchesWARNING: When stra

Varning! När flertrådiga ledningar krävs måste godkända ledningskontakter användas,t.ex. kabelsko av sluten eller öppen typ med uppåtvänd tapp. Storle

Aviso O dispositivo foi criado para operar com sistemas de corrente TN.¡Atención! El equipo está diseñado para trabajar con sistemas de alimentación t

Table 1: EX8208 Switch Hardware ConfigurationsConfiguration ComponentsSwitch Configuration•Chassis with backplane•One fan tray•One Switch Fabric and R

Copyright © 2010, Juniper Networks, Inc.304Complete Hardware Guide for EX8208 Ethernet Switches

PART 9Compliance Information•Compliance Information on page 307305Copyright © 2010, Juniper Networks, Inc.

Copyright © 2010, Juniper Networks, Inc.306Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 21Compliance Information•Agency Approvals for EX Series Switches on page 307•Battery Compliance Statement for Environmental Requirements for E

•EN 61000-3-3 Voltage Fluctuations and Flicker•EN 61000-4-2 ESD•EN 61000-4-3 Radiated Immunity•EN 61000-4-4 EFT•EN 61000-4-5 Surge•EN 61000-4-6 Low Fr

safety requirements. Industry Canada does not guarantee the equipment will operate tothe users’ satisfaction.Before installing this equipment, users s

FCC Part 15 StatementThis equipment has been tested and found to comply with the limits for a Class A digitaldevice pursuant to Part 15 of the FCC Rul

Compliance Statements for Acoustic Noise for EX Series SwitchesMaschinenlärminformations-Verordnung - 3. GPSGV, der höchste Schalldruckpegelbeträgt 70

Copyright © 2010, Juniper Networks, Inc.312Complete Hardware Guide for EX8208 Ethernet Switches

Table 1: EX8208 Switch Hardware Configurations (continued)Configuration ComponentsSwitch Configuration•Chassis with backplane•One fan tray•Two SRE mod

Chassis Physical Specifications of an EX8208 SwitchThe EX8208 switch chassis is a rigid sheet-metal structure that houses the other switchcomponents.

Figure 2: EX8208 SwitchYou can mount an EX8200 switch on a standard 19-in. four-post rack or a standard800-mm enclosed cabinet. Up to three EX8208 swi

• Installing and Removing EX8208 Switch Hardware Components on page 149Understanding EX8208 Switch Component and Functionality RedundancyThe Juniper N

fan tray controller keeps half the fans working. This allows the switch to continue tooperate normally as long as the remaining fans cool the chassis

Table 4: Switch Fabric Redundancy for EX8208 Switches (continued)Switch FabricRedundancySlot SFSlot SRE1Slot SRE0Switch ConfigurationNoSF moduleSRE mo

END USER LICENSE AGREEMENTREAD THIS END USER LICENSE AGREEMENT (“AGREEMENT”) BEFORE DOWNLOADING, INSTALLING, OR USING THE SOFTWARE.BY DOWNLOADING, INS

Table 5: Slot Numbering for an EX8208 Switch (continued)Components Accepted in SlotSlot LabelLine card4Line card5Line card6Line card7Figure 3 on page

NOTE: We recommend that you install two SRE modules for redundancy. If you installonly one SRE module, we recommend that you install it in the slot SR

Figure 4: Slot Numbering for Power Supply Slots on an EX8208 SwitchChassis FrontNOTE: Power supplies can be installed in any slot. You do not have to

CHAPTER 2Component Descriptions•LCD Panel in an EX8200 Switch on page 17•Chassis Status LEDs in an EX8200 Switch on page 22•Field-Replaceable Units in

Figure 5: LCD Panel in an EX8200 SwitchYou can configure the second line of the LCD panel to display a custom message. If theLCD panel is configured t

The maintenance mode allows you to cycle through options for configuring andtroubleshooting the switch:•System halt•Reboot system•Load rescue configur

Table 7: LCD Panel Menu Options for the EX8200 Switch (continued)DescriptionMenuThe Status menu has the following options:•Switch fabric status—Choose

Table 7: LCD Panel Menu Options for the EX8200 Switch (continued)DescriptionMenuThe Maintenance menu has the following options:•SYSTEM HALT?—Choose on

• Connecting and Configuring an EX Series Switch (CLI Procedure) on page 190• Connecting and Configuring an EX Series Switch (J-Web Procedure) on page

Related Topics LCD Panel in an EX8200 Switch on page 17•• Understanding Alarm Types and Severity Levels on EX Series SwitchesField-Replaceable Units i

Software in any manner that extends or is broader than the uses purchased by Customer from Juniper or an authorized Juniper reseller; (i)use Embedded

NOTE: Line cards are not part of the base or redundant configuration. You must orderthem separately.NOTE: If you have a Juniper J-Care service contrac

Figure 7: SRE Module in an EX8208 SwitchNOTE: We recommend that you install two SRE modules for redundancy. If you installonly one SRE module, we reco

•Console port—Connects the SRE module to a system console through a cable with anRJ-45 connector. See “Connecting an EX Series Switch to a Management

Table 10: SRE Module LEDs of an EX8208 Switch (continued)State and DescriptionColorLED Label (Description)•On steadily—SRE module is the master.•Blink

Table 11: Link/Activity LED on the Management Port on EX8200 SwitchesState and DescriptionColorLED•Blinking—The port and the link are active, and ther

In the base configuration, an SF module is used with a single Switch Fabric and RoutingEngine (SRE) module to build a nonredundant system that provide

Figure 11: SF Module LEDs in an EX8208 SwitchTable 13: SF Module LEDs of an EX8208 SwitchState and DescriptionColorLED (Description)•On steadily—SF mo

•48-port SFP line card•48-port RJ-45 line cardYou can use any combination of line cards in an EX8200 switch.The 8-port SFP+ line card for EX8200 switc

•48-port SFP line card•48-port RJ-45 line cardYou can use any combination of line cards in an EX8200 switch.The 40-port SFP+ line card for EX8200 swit

The line card has two status LEDs labeled ON and ST on the faceplate that indicate theonline and status information for the line card. See “Line Card

12. Commercial Computer Software. The Software is “commercial computer software” and is provided with restricted rights. Use,duplication, or disclosur

Figure 15: 48-port SFP Line Cardg020506Ejector leversLine card LEDsCaptive screwSFP portsThe line card has two status LEDs labeled ON and ST on the fa

Figure 16: 48-port RJ-45 Line CardThe line card has two status LEDs labeled ON and ST on the faceplate that indicate theonline and status information

Figure 18: Status LEDs on a 40-port SFP+ Line CardEjector leverEjector leverLinecardLEDsSFP+/SFP portsCaptive screwg020902Figure 19: Status LEDs on a

Related Topics 8-port SFP+ Line Card in an EX8200 Switch on page 30•• 40-port SFP+ Line Card in an EX8200 Switch on page 31• 48-port SFP Line Card in

Figure 23: Network Port LEDs on a 48-port SFP Line Cardg020546Link/Activitylower portLink/Activityupper portStatuslower portStatusupper portFigure 24

Table 16: Network Port LEDs on Line Cards in an EX8200 Switch—Status LEDState, Color, and DescriptionLCD IndicatorLEDIndicates the administrative stat

AC Power Supply in an EX8200 SwitchEX8200 switches can use either AC or DC power supplies. This topic describes the ACpower supplies in EX8200 switche

Figure 25: AC Power SupplyEach AC power supply comes with a power retainer that holds the power cord in place.See Figure 26 on page 41. The power reta

is 52 VDC. The output power is 1200 W for low-voltage line input and 2000 W forhigh-voltage line input.The 3000 W AC power supply supports only the hi

Table 18: N+1 Power Redundancy Configurations for Different EX8208Switch Configurations Using 3000 W AC Power SuppliesPower SuppliesNeeded for N+1Powe

Table of ContentsAbout This Topic Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiHow to Use This Guide

•Junos OS Release 10.1 or earlier—Consult Table 17 on page 42, Table 19 on page 43, orTable 20 on page 43 to determine the number of power supplies ne

Table 21: N+N Power Supply Requirements for EX8208 SwitchConfigurations Using 2000 W AC Power Supplies (Junos OS Release 10.2or Later Only)Power Suppl

Table 24: N+N Power Supply Requirements for EX8216 SwitchConfigurations Using 3000 W AC Power Supplies (Junos OS Release 10.2or Later Only)Power Suppl

Table 25: Power Supply LEDs on EX8200 SwitchesDescriptionStateLEDIndicates one of the following:•Power supply is disconnected from AC power feed.•AC p

DC Power Supply in an EX8200 SwitchThe DC power supplies in EX8200 switches are hot-removable and hot-insertablefield-replaceable units (FRUs).NOTE: E

Figure 28: DC Power SupplyNOTE: A 2000 W DC power supply requires a dedicated 60 A circuit breaker for eachinput DC feed.A 3000 W DC power supply requ

The tables in this section list the N+1 power requirements of different EX8200 switchconfigurations:•Table 26 on page 50—Lists the N+1 power requireme

NOTE: EX8208 switches support 2000 W DC power supplies.EX8216 switches support 3000 W DC power supplies.Figure 29: DC Power Supply LEDs in an EX8200 S

Table 28: DC Power Supply LEDs in EX8200 Switches (continued)DescriptionStateLEDIndicates one of the following:•Power supply is disconnected from DC p

Cooling System and Airflow in an EX8208 SwitchThe cooling system in an EX8208 switch consists of a single fan tray. The fan tray is ahot-insertable an

8-port SFP+ Line Card in an EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3040-port SFP+ Line Card in an EX8200 Switch . . .

Figure 31: Airflow Through the EX8208 Switch ChassisThe Switch Fabric and Routing Engine (SRE) module monitors the temperature of switchcomponents. Un

Related Topics Field-Replaceable Units in an EX8208 Switch on page 23•• Installing a Fan Tray in an EX8208 Switch on page 154• Removing a Fan Tray fro

Copyright © 2010, Juniper Networks, Inc.56Complete Hardware Guide for EX8208 Ethernet Switches

CHAPTER 3Component Specifications•USB Port Specifications for an EX Series Switch on page 57•Console Port Connector Pinout Information for an EX Serie

Related Topics See Rear Panel of an EX2200 Switch for port location.•• See Rear Panel of an EX3200 Switch for port location.• See Rear Panel of an EX4

• See Rear Panel of an EX3200 Switch for port location.• See Rear Panel of an EX4200 Switch for port location.• See Front Panel of an EX4500 Switch fo

Optical Interface Support in EX8200 SwitchesThis topic describes the optical interfaces supported for transceivers used in the SFPand SFP+ line cards

Table 31: Optical Interface Support for SFP+ Transceivers in 8-port SFP+ Line Cards Used inEX8200 SwitchesSpecificationsEthernet StandardEX-SFP-10GE-U

Table 31: Optical Interface Support for SFP+ Transceivers in 8-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet StandardE

Table 31: Optical Interface Support for SFP+ Transceivers in 8-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet StandardE

AC Power Cord Specifications for an EX8200 Switch . . . . . . . . . . . . . . . . . . . . . . 112Calculating Power Requirements for an EX8208 Switch .

Table 31: Optical Interface Support for SFP+ Transceivers in 8-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet StandardE

Table 31: Optical Interface Support for SFP+ Transceivers in 8-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet StandardE

Table 32: Optical Interface Support and Copper Interface Support for SFP Transceivers in40-port SFP+ Line Cards Used in EX8200 SwitchesSpecificationsE

Table 32: Optical Interface Support and Copper Interface Support for SFP Transceivers in40-port SFP+ Line Cards Used in EX8200 Switches (continued)Spe

Table 32: Optical Interface Support and Copper Interface Support for SFP Transceivers in40-port SFP+ Line Cards Used in EX8200 Switches (continued)Spe

Table 32: Optical Interface Support and Copper Interface Support for SFP Transceivers in40-port SFP+ Line Cards Used in EX8200 Switches (continued)Spe

Table 33: Optical Interface Support for SFP+ Transceivers in 40-port SFP+ Line Cards Used inEX8200 SwitchesSpecificationsEthernet StandardEX-SFP-10GE-

Table 33: Optical Interface Support for SFP+ Transceivers in 40-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet Standard

Table 33: Optical Interface Support for SFP+ Transceivers in 40-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet Standard

Table 33: Optical Interface Support for SFP+ Transceivers in 40-port SFP+ Line Cards Used inEX8200 Switches (continued)SpecificationsEthernet Standard