Juniper EX4650 Series Hardware Manual
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Juniper EX4650 Series Hardware Manual

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EX4650 Switch Hardware Guide
Published
2019-10-10

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Summary of Contents for Juniper EX4650 Series

  • Page 1 EX4650 Switch Hardware Guide Published 2019-10-10...
  • Page 2 END USER LICENSE AGREEMENT The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at https://support.juniper.net/support/eula/.

  • Page 3: Table Of Contents

    Table of Contents About the Documentation | ix Documentation and Release Notes | ix Using the Examples in This Manual | ix Merging a Full Example | x Merging a Snippet | xi Documentation Conventions | xi Documentation Feedback | xiv Requesting Technical Support | xiv Self-Help Online Tools and Resources | xv Creating a Service Request with JTAC | xv...
  • Page 4 Front-to-Back Airflow | 36 Back-to-Front Airflow | 37 Do Not Mix AIR IN (AFI) and AIR OUT (AFO) Components in the Switch | 38 Positioning the Switch | 39 Fan Module Status | 39 EX4650 Power System | 40 AC Power Supply in EX4650 Switches | 40 AC Power Supply in EX4650 Switches | 40 DC Power Supply in EX4650 Switches | 41 Airflow Direction in Power Supplies | 42...
  • Page 5 Clearance Requirements for Airflow and Hardware Maintenance for EX4650 Switches | 63 EX4650 Network Cable and Transceiver Planning | 65 Pluggable Transceivers Supported on EX4650 Switches | 65 SFP28 Direct Attach Copper Cables for EX4650 Switches | 66 Cable Specifications | 67 Standards Supported by These Cables | 67 QSFP28 Direct Attach Copper Cables for EX4650 Switches | 68 Cable Specifications | 68...
  • Page 6 Configuring Junos OS on the EX4650 | 100 EX4650 Switch Default Configuration | 101 Connecting and Configuring an EX4650 Switch | 101 Maintaining Components Maintaining the EX4650 Cooling System | 109 Removing a Fan Module from an EX4650 Switch | 109 Installing a Fan Module in an EX4650 Switch | 110 Maintaining the EX4650 Power System | 112 Removing a Power Supply from an EX4650 Switch | 112...
  • Page 7 Locating the Serial Number ID Labels on FRUs in an EX4650 Switch | 139 Contacting Customer Support to Obtain Return Material Authorization | 140 Packing an EX4650 Switch or Component for Shipping | 141 Packing an EX4650 Switch for Shipping | 141 Packing EX4650 Switch Components for Shipping | 143 Safety and Compliance Information General Safety Guidelines and Warnings | 147...
  • Page 8 viii Lightning Activity Warning | 172 Operating Temperature Warning | 173 Product Disposal Warning | 175 General Electrical Safety Guidelines and Warnings | 176 Action to Take After an Electrical Accident | 177 Prevention of Electrostatic Discharge Damage | 177 AC Power Electrical Safety Guidelines | 179 AC Power Disconnection Warning | 180 DC Power Electrical Safety Guidelines | 181...

  • Page 9: About The Documentation

    If the information in the latest release notes differs from the information in the documentation, follow the product Release Notes. Juniper Networks Books publishes books by Juniper Networks engineers and subject matter experts. These books go beyond the technical documentation to explore the nuances of network architecture, deployment, and administration.

  • Page 10: Merging A Full Example

    If the example configuration contains the top level of the hierarchy (or multiple hierarchies), the example is a full example. In this case, use the load merge command. If the example configuration does not start at the top level of the hierarchy, the example is a snippet. In this case, use the load merge relative command.

  • Page 11: Merging A Snippet

    Merging a Snippet To merge a snippet, follow these steps: 1. From the HTML or PDF version of the manual, copy a configuration snippet into a text file, save the file with a name, and copy the file to a directory on your routing platform. For example, copy the following snippet to a file and name the file ex-script-snippet.conf.
  • Page 12 Table 1: Notice Icons Icon Meaning Description Informational note Indicates important features or instructions. Caution Indicates a situation that might result in loss of data or hardware damage. Warning Alerts you to the risk of personal injury or death. Laser warning Alerts you to the risk of personal injury from a laser.
  • Page 13 xiii Table 2: Text and Syntax Conventions (continued) Convention Description Examples Italic text like this Represents variables (options for Configure the machine’s domain which you substitute a value) in name: commands or configuration [edit] statements. root@# set system domain-name domain-name Text like this Represents names of configuration To configure a stub area, include...

  • Page 14: Documentation Feedback

    Technical product support is available through the Juniper Networks Technical Assistance Center (JTAC). If you are a customer with an active Juniper Care or Partner Support Services support contract, or are covered under warranty, and need post-sales technical support, you can access our tools and resources...

  • Page 15: Self-Help Online Tools And Resources

    JTAC hours of operation—The JTAC centers have resources available 24 hours a day, 7 days a week, 365 days a year. Self-Help Online Tools and Resources For quick and easy problem resolution, Juniper Networks has designed an online self-service portal called the Customer Support Center (CSC) that provides you with the following features: Find CSC offerings: https://www.juniper.net/customers/support/...

  • Page 16: Overview

    C HAPTER Overview EX4650 Switches System Overview | 19 EX4650 Chassis | 29 EX4650 Cooling System | 33 EX4650 Power System | 40...

  • Page 18: Ex4650 Switches System Overview

    Power Supplies | 23 Cooling System | 24 Juniper Networks EX4650 Ethernet Switches provide connectivity for high-density environments, scalability for growing networks, and redundancy. The EX4650 provides the flexibility to support mixed 1-Gigabit Ethernet, 10-Gigabit Ethernet, 25-Gigabit Ethernet, 40-Gigabit Ethernet, and 100-Gigabit Ethernet environments.

  • Page 19: Benefits Of The Ex4650 Switch

    Juniper Networks EX Series Ethernet Switches run Junos OS™, which provides Layer 2 and Layer 3 switching, routing, and security services. The same Junos OS code base that runs on EX Series switches also runs on all Juniper Networks M Series, MX Series, and T Series routers, and SRX Series Services Gateways.
  • Page 20 NOTE: The SFP-T transceivers are supported only on top or bottom ports, upto a maximum of 24 ports The SFP28 speed can be applied only for individual quads (four ports). The speed cannot be configured for a single port. Figure 1 on page 21 Figure 2 on page 21 show the front panel of an EX4650 switch.
  • Page 21 Figure 4: Rear Panel of a DC-Powered EX4650 Switch Figure 5 on page 22 shows the components on the rear panel of an EX4650 Switch with AC power supplies. Figure 5: Components on the Rear Panel of an AC-Powered EX4650 Switch 11 10 Chassis status LEDs (ALM, SYS, MST, ID) Power Supply LEDs...

  • Page 22: Power Supplies

    Figure 6: Components on the Rear Panel of a DC-Powered EX4650 Switch Chassis status LEDs (ALM, SYS, MST, ID) Power supply LEDs — — Console port Fan module LEDs — — RJ-45 management port (C1) RJ-45 management port (C0) — —...

  • Page 23: Cooling System

    The power supplies either have labels on the handles that indicate the airflow direction or they have color-coded handles with a fan icon.An AFI label or a blue-colored handle indicates back-to-front airflow while anAFO label or a gold-colored handle indicates front-to-back airflow. See Figure 7 on page 24 Figure 7: Power Supply Handle Detail AFI label...

  • Page 24: Ex4650 Switch Models

    Figure 8: EX4650 Fan Module The five fan modules are numbered 0 through 4 counting from left to right. Each fan module slot has a fan icon and an LED next to it. CAUTION: Do not mix: AC and DC power supplies in the same chassis. Power supplies with different airflow labels (AFI and AFO) in the same chassis.

  • Page 25: Identifying Ex4650 Switch Models

    Table 4: EX4650 Switch Models and Shipped Components (continued) Switch Model Ports Power Supply Airflow EX4650-48Y-AFI 48 SFP28 Back-to-front—air intake to cool the chassis is 8 QSFP28 through the vents on the rear panel of the chassis, and hot air exhausts through the vents on the front panel of the chassis.
  • Page 26 Check the value of the FRU Model Number field in the Routing Engine section in the output of the show chassis hardware extensive CLI command. user@switch> show chassis hardware extensive ..Routing Engine 1 REV D 650-044930 PD3113060024 EX4650-48Y Jedec Code: 0x7fb0 EEPROM Version: 0x02...

  • Page 27: Chassis Physical Specifications For Ex4650 Switches

    NOTE: If you have a Juniper J-Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/. Failure to do so can result in significant delays if you need replacement parts. This note does not...

  • Page 28: Ex4650 Chassis

    EX4650 Chassis IN THIS SECTION Chassis Status LEDs on EX4650 Switches | 29 Management Port LEDs on EX4650 Switches | 31 Access Port and Uplink Port LEDs on EX4650 Switches | 31 Chassis Status LEDs on EX4650 Switches EX4650 switches have four chassis status LEDs (labeled ALM, SYS, MST, and ID) (see Figure 9 on page 29).
  • Page 29 Table 6: Chassis Status LEDs on an EX4650 Switch LED Label Color State and Description ALM (Alarm) Unlit There is no alarm or the switch is halted. There is a major alarm. NOTE: A major hardware fault has occurred, such as a temperature alarm or power failure, and the switch has halted.

  • Page 30: Management Port Leds On Ex4650 Switches

    Management Port LEDs on EX4650 Switches The two management ports on the rear panel of an EX4650 switch have two LEDs that indicate Link/Activity and status of the management port.Figure 10 on page 31 shows the location of the management port. Figure 10: LEDs on the Management Port Status LED Link/Activity LED...
  • Page 31 Figure 12 on page 32 shows the location of the LEDs on the SFP network ports. Figure 11: LEDs on Network Ports Network Port LEDs. — Figure 12: LEDs on the SFP+ Network Ports Link/Activity LED Status LED — — Table 8 on page 32 describes the link activity LED on network ports, SFP+ uplink ports, and built-in QSFP+ ports.

  • Page 32: Ex4650 Cooling System

    Table 9: Status LED on SFP+ Uplink Ports LCD Indicator State and Description Status Green Indicates the speed. The speed indicators are: Blinking green—1 Gbps and 10 Gbps Stable green—25 Gbps Table 10 on page 33 describes the Status LED on QSFP+ ports in EX4650 switches. Table 10: Status LED on QSFP+ Ports LCD Indicator State and Description...

  • Page 33: Fan Modules

    Front-to-back (air exhausts through the back of the switch), indicated by the label AIR OUT (AFO) CAUTION: Do not mix AFI and AFO fans and power supplies in the same chassis. Fan Modules The fan modules in EX4650 switches are hot-insertable and hot-removable FRUs. These fan modules are designed for one of the two available airflow directions (Airflow In or Airflow Out).

  • Page 34: Airflow Direction In Ex4650 Switch Models

    AIR through the vents on OUT labels. the rear panel of the chassis. EX4650-FANAFI Juniper Azure Blue Back-to-front—air You must install only intake to cool the power supplies that chassis is through the have AIR IN(AFI)

  • Page 35: Front-To-Back Airflow

    Table 12: Airflow Direction in EX4650 Switch Models (continued) Model Number Fan Modules and Power Supply Direction of Airflow EX4650-48Y-AFI The switch ships with five fan modules and Back-to-front—that is, air intake to cool two AC power supplies, each with a label the chassis is through the vents on the rear AIR IN (AFI).

  • Page 36: Back-To-Front Airflow

    Figure 14: Front-to-Back Airflow Through EX4650 Switch Chassis Ports FRUs You must install only power supplies that have AIR OUT (AFO) labels in switches that have fan modules with AIR OUT (AFO) labels. Back-to-Front Airflow In the EX4650 switch models that have back-to-front airflow, the air intake to cool the chassis is through the vents on the rear panel and hot air exhausts through the vents on the front panel of the switch.

  • Page 37: Do Not Mix Air In (Afi) And Air Out (Afo) Components In The Switch

    Figure 15: Back-to-Front Airflow Through EX4650 Switch Chassis Ports FRUs You must install only power supplies that have AIR IN (AFI) labels in switches in which the fan modules have AIR IN (AFI) labels. Do Not Mix AIR IN (AFI) and AIR OUT (AFO) Components in the Switch Do not mix power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the same chassis.

  • Page 38: Positioning The Switch

    Positioning the Switch In front-to-back airflow, indicated by the label AIR OUT (AFO) on the fan modules and power supplies, hot air exhausts through the vents on the rear panel of the switch. In back-to-front airflow, indicated by the label AIR IN (AFI) on the fan modules and power supplies, hot air exhausts through the vents on the front panel of the switch.

  • Page 39: Ex4650 Power System

    EX4650 Power System IN THIS SECTION AC Power Supply in EX4650 Switches | 40 AC Power Supply Specifications for EX4650 Switches | 43 AC Power Cord Specifications for EX4650 Switches | 44 AC Power Supply LEDs in EX4650 Switches | 46 DC Power Supply in EX4650 Switches | 47 DC Power Supply in EX4650 Switches | 50 EX4650 DC Power Specifications | 53...

  • Page 40: Dc Power Supply In Ex4650 Switches

    Figure 16: AC Power Supply for an EX4650 Switch DC Power Supply in EX4650 Switches The DC power supply in EX4650 is 650 W with dual feeds for power resiliency. Figure 17 on page 41 shows a DC power supply for an EX4650 switch. Figure 17: DC Power Supply for an EX4650 Switch NOTE: The DC power supply in the switch has four terminals labeled V-, V-, V+, and V+ for...

  • Page 41: Airflow Direction In Power Supplies

    Figure 18: DC Power Supply Faceplate of an EX4650 Switch Fault LED — — Input terminals Ouput LED — — Ejector lever Input LED — — ESD grounding point — Airflow Direction in Power Supplies Each power supply has two fan supplies and is cooled by its own internal cooling system. The power supplies either have labels on the handles that indicate the direction of airflow or they have color-coded handles with a fan icon.

  • Page 42: Ac Power Supply Specifications For Ex4650 Switches

    Direction of Airflow Color of Power Supply Handle EX4650-48S-AFO Back to front Juniper Gold EX4650-48S-AFI Front to back Juniper Azure Blue EX4650-48S-DC-AFO Back to front Juniper Gold EX4650-48S-DC-AFI Front to back Juniper Azure Blue AC Power Supply Specifications for EX4650 Switches...

  • Page 43: Ac Power Cord Specifications For Ex4650 Switches

    AC power cord specifications for the countries and regions listed in the table. Table 16: AC Power Cord Specifications Country/Region Electrical Specifications Plug Standards Juniper Model Number Argentina 250 VAC, 10 A, 50 Hz IRAM 2073 Type RA/3 CBL-EX-PWR-C13-AR...
  • Page 44 Table 16: AC Power Cord Specifications (continued) Country/Region Electrical Specifications Plug Standards Juniper Model Number Australia 250 VAC, 10 A, 50 Hz AS/NZZS 3112 Type CBL-EX-PWR-C13-AU SAA/3 Brazil 250 VAC, 10 A, 50 Hz NBR 14136 Type BR/3 CBL-EX-PWR-C13-BR China...

  • Page 45: Ac Power Supply Leds In Ex4650 Switches

    Figure 20: AC Plug Types AC Power Supply LEDs in EX4650 Switches Figure 21 on page 46 shows the location of the LEDs on an AC power supply for EX4650 switches. Figure 21: LEDs on AC power supply for EX4650 switches AC OK Fault —...

  • Page 46: Dc Power Supply In Ex4650 Switches

    Table 17: AC Power Supply LEDs in EX4650 Switches (continued) Color State Description DC OK Unlit The power supply is disconnected from power, or power is not coming into the power supply. Green On steadily The power supply is sending out power correctly.

  • Page 47: Characteristics Of A Dc Power Supply

    CAUTION: Do not mix: AC and DC power supplies in the same chassis Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the same chassis. Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the same chassis.

  • Page 48: Dc Power Supply Airflow

    Table 18: Details of the DC Power Supplies in EX4650 Switches (continued) Details 550 W DC Power Supply Minimum installed in chassis Maximum installed in chassis Power supply slots Install in power supply slots labeled PSU 0 and PSU 1 in the rear panel of the chassis.

  • Page 49: Dc Power Supply In Ex4650 Switches

    Table 19: Airflow Direction in DC Power Supply Models for EX4650 Switches (continued) Label on Power Model Supply Direction of Airflow JPSU-550-DC-AFI-A AIR IN (AFI) Back-to-front—that is, air intake to cool the chassis is through the vents on the rear panel of the chassis and hot air exhausts through the vents on the front panel of the chassis.

  • Page 50: Airflow Direction In Power Supplies

    NOTE: The DC power supply in the switch has four terminals labeled V-, V-, V+, and V+ for connecting DC power source cables labeled positive (+) and negative (–) as shown in Figure 24 on page Figure 24: DC power supply faceplate of an EX4650 switch Fault LED —...
  • Page 51 DC power supplies used in EX4650 switches and the direction of airflow in them. Table 20: Airflow direction in power supplies for EX4650 switches Product Number Direction of Airflow Color of Power Supply Handle JPSU-650W-DC-AFO Front to back Juniper Gold JPSU-650W-DC-AFI Back to front Juniper Azure Blue...

  • Page 52: Ex4650 Dc Power Specifications

    EX4650 DC Power Specifications Table 21 on page 53 describes the EX4650 DC power specifications. The typical and maximum power consumption values are calculated using dummy transceivers on all ports. Traffic is run at 25° C ambient temperature. Table 21: DC Power Specifications for EX4650 Item Specifications DC input voltage...
  • Page 53 CAUTION: The V+ terminals are shunted internally together, as are the V- terminals. The same polarity terminal can be wired together from the same source to provide an additional current path in a higher power chassis. Do not connect the terminals to different sources.

  • Page 54: Site Planning, Preparation, And Specifications

    C HAPTER Site Planning, Preparation, and Specifications Site Preparation Checklist for EX4650 Switches | 57 EX4650 Site Guidelines and Requirements | 58 EX4650 Network Cable and Transceiver Planning | 65 EX4650 Management Cable Specifications and Pinouts | 71...

  • Page 56: Site Preparation Checklist For Ex4650 Switches

    Site Preparation Checklist for EX4650 Switches The checklist in Table 23 on page 57 summarizes the tasks you need to perform to prepare a site for installing an EX4650 switch. Table 23: Site Preparation Checklist Item or Task For More Information Performed by Date Environment...

  • Page 57: Ex4650 Site Guidelines And Requirements

    Table 23: Site Preparation Checklist (continued) Item or Task For More Information Performed by Date Acquire cables and connectors: Determine the number of cables needed based on your planned configuration. Review the maximum distance allowed for each cable. Choose the length of the cable based on the distance between the hardware components being connected.
  • Page 58 Maintain ambient airflow for normal switch operation. If the airflow is blocked or restricted, or if the intake air is too warm, the switch might overheat, leading to the switch temperature monitor shutting down the device to protect the hardware components. Table 24 on page 59 provides the required environmental conditions for normal switch operation for all EX4650 models.

  • Page 59: General Site Guidelines

    General Site Guidelines Efficient device operation requires proper site planning and maintenance and proper layout of the equipment, rack or cabinet (if used), and wiring closet. To plan and create an acceptable operating environment for your device and prevent environmentally caused equipment failures: Keep the area around the chassis free from dust and conductive material, such as metal flakes.

  • Page 60: Rack Requirements For Ex4650 Switches

    Table 25: Site Electrical Wiring Guidelines (continued) Site Wiring Factor Guidelines Radio frequency To reduce or eliminate RFI from your site wiring, do the following: interference Use a twisted-pair cable with a good distribution of grounding conductors. If you must exceed the recommended distances, use a high-quality twisted-pair cable with one ground conductor for each data signal when applicable.

  • Page 61: Cabinet Requirements For Ex4650 Switches

    Table 26: Rack Requirements for the EX4650 (continued) Rack Requirement Guidelines Mounting bracket hole spacing The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so that the switch can be mounted in any rack that provides holes spaced at that distance.

  • Page 62: Clearance Requirements For Airflow And Hardware Maintenance For Ex4650 Switches

    Table 27 on page 63 provides the cabinet requirements and specifications for the EX4650 switch. Table 27: Cabinet Requirements for the EX4650 Switch Cabinet Requirement Guidelines Cabinet size and clearance The minimum cabinet size for accommodating a EX4650 switch is 36 in. (91.4 cm) deep.
  • Page 63 For the cooling system to function properly, the airflow around the chassis must be unrestricted. See Figure 27 on page Figure 28 on page andFigure 29 on page 65 for reference. Figure 27: Front-to-Back Airflow Front Rear Figure 28: Back-to-Front Airflow If you are mounting the switch on a rack or cabinet along with other equipment, ensure that the exhaust from other equipment does not blow into the intake vents of the chassis.

  • Page 64: Ex4650 Network Cable And Transceiver Planning

    Leave at least 6 in. (15.2 cm) clearance on the left of the chassis for installing the grounding lug. Leave at least 24 in. (61 cm) clearance in front of and behind the switch for service personnel to remove and install hardware components. Figure 29: Clearance Requirements for Airflow and Hardware Maintenance for an EX4650 Switch EX4650 Network Cable and Transceiver Planning IN THIS SECTION...

  • Page 65: Sfp28 Direct Attach Copper Cables For Ex4650 Switches

    Juniper Networks with your Juniper Networks device. CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.

  • Page 66: Cable Specifications

    CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.

  • Page 67: Qsfp28 Direct Attach Copper Cables For Ex4650 Switches

    Juniper Networks device. CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.

  • Page 68: Calculating The Fiber-Optic Cable Power Budget For Ex Series Devices

    Calculating the Fiber-Optic Cable Power Budget for EX Series Devices To ensure that fiber-optic connections have sufficient power for correct operation, calculate the link's power budget when planning fiber-optic cable layout and distances to ensure that fiber-optic connections have sufficient power for correct operation. The power budget is the maximum amount of power the link can transmit.
  • Page 69 Calculate the power budget. See “Calculating the Fiber-Optic Cable Power Budget for EX Series Devices” on page To calculate the worst-case estimate for the power margin (P ) for the link: 1. Determine the maximum value for link loss (LL) by adding estimated values for applicable link-loss factors—for example, use the sample values for various factors as provided in Table 28 on page 70 (here, the link is 2 km long and multimode, and the (P...

  • Page 70: Ex4650 Management Cable Specifications And Pinouts

    Console Port Connector Pinout Information The console port on a Juniper Networks device is an RS-232 serial interface that uses an RJ-45 connector to connect to a console management device. The default baud rate for the console port is 9600 baud.

  • Page 71: Rj-45 Management Port Connector Pinout Information

    No Connection RJ-45 Management Port Connector Pinout Information Table 30 on page 72 provides the pinout information for the RJ-45 connector for the management port on Juniper Networks devices. Table 30: RJ-45 Management Port Connector Pinout Information Signal Description TRP1+ Transmit/receive data pair 1 TRP1—...

  • Page 72: Rj-45 To Db-9 Serial Port Adapter Pinout Information

    Table 30: RJ-45 Management Port Connector Pinout Information (continued) Signal Description TRP4— Transmit/receive data pair 4 RJ-45 to DB-9 Serial Port Adapter Pinout Information The console port is an RS-232 serial interface that uses an RJ-45 connector to connect to a management device such as a PC or a laptop.
  • Page 73 Table 32: SFP Network Port Connector Pinout Information Signal Description VeeT Module transmitter ground TX_Fault Module transmitter fault TX_Disable Transmitter disabled 2-wire serial interface data line SCL- 2-wire serial interface clock MOD_ABS Module absent Rate select RX_LOS Receiver loss of signal indication VeeR Module receiver ground VeeR...
  • Page 74 Table 33: SFP+ and SFP28 Network Port Connector Pinout Information Signal Description VeeT Module transmitter ground TX_Fault Module transmitter fault TX_Disable Transmitter disabled 2-wire serial interface data line SCL- 2-wire serial interface clock MOD_ABS Module absent Rate select 0, optionally controls SFP+ module receiver RX_LOS Receiver loss of signal indication Rate select 1, optionally controls SFP+ transmitter...
  • Page 75 Table 34: QSFP+ and QSFP28 Network Port Connector Pinout Information Signal TX2n TX2p TX4n TX4p ModSelL LPMode_Reset VccRx RX3p RX3n RX1p RX1n RX2n...
  • Page 76 Table 34: QSFP+ and QSFP28 Network Port Connector Pinout Information (continued) Signal RX2p RX4n RX4p ModPrsL IntL VccTx Vcc1 Reserved TX3p TX3n TX1p TX1n...

  • Page 77: Initial Installation And Configuration

    C HAPTER Initial Installation and Configuration Unpacking and Mounting the EX4650 Switch | 81 Connecting the EX4650 to Power | 87 Connecting the EX4650 to the Network | 94 Connecting the EX4650 to External Devices | 98 Configuring Junos OS on the EX4650 | 100...

  • Page 79: Unpacking And Mounting The Ex4650 Switch

    Unpacking and Mounting the EX4650 Switch IN THIS SECTION Unpacking the Switch | 81 Parts Inventory (Packing List) for an EX4650 Switch | 82 Registering Products—Mandatory for Validating SLAs | 83 Mounting an EX4650 Switch on Four Posts of a Rack or Cabinet | 83 Unpacking the Switch EX4650 switches are shipped in a cardboard carton, secured with foam packing material.

  • Page 80: Parts Inventory (Packing List) For An Ex4650 Switch

    The parts shipped depend on the switch model you order. If any part in the packing list is missing, contact your customer service representative or contact Juniper customer care from within the U.S. or Canada by telephone at 1-888-314-5822. For international-dial or direct-dial options in countries without toll-free numbers, see https://www.juniper.net/support/requesting-support.html...

  • Page 81: Registering Products-Mandatory For Validating Slas

    You must provide the appropriate mounting screws for mounting the switch on a rack. Registering Products—Mandatory for Validating SLAs Register all new Juniper Networks hardware products and changes to an existing installed product using the Juniper Networks website to activate your hardware replacement service-level agreements (SLAs).
  • Page 82 Verify that the site meets the requirements described in “Site Preparation Checklist for EX4650 Switches” on page 57 Place the rack in its permanent location, allowing adequate clearance for airflow and maintenance, and secure it to the building structure. Read “General Safety Guidelines and Warnings”...
  • Page 83 To mount the switch on four posts of a rack: 1. Place the switch on a flat, stable surface. NOTE: The four-post rack-mount kit ships with the short front-mounting brackets attached to the side mounting-rails. If you want to recess the switch in the rack, you must unscrew the short front-mounting brackets from the side mounting-rails by using the Phillips (+) screwdriver and attach the long front-mounting brackets to the side mounting-rails.
  • Page 84 Figure 33: Mounting the Switch on Front Posts of a Rack 6. Have a second person secure the front of the switch to the rack by using the appropriate screws for your rack. 7. Slide the rear mounting-blades into the side mounting-rails. See Figure 34 on page Figure 34: Sliding the Rear Mounting-Blades into the Side Mounting-Rails 8.

  • Page 85: Connecting The Ex4650 To Power

    Connecting the EX4650 to Power IN THIS SECTION Connecting Earth Ground to an EX4650 Switch | 87 Connecting AC Power to an EX4650 Switch | 88 Connecting DC Power to an EX4650 Switch | 90 Connecting Earth Ground to an EX4650 Switch To connect earth ground to a switch: 1.

  • Page 86: Connecting Ac Power To An Ex4650 Switch

    WARNING: Ensure that the cable does not drape where people could trip over it. Connecting AC Power to an EX4650 Switch The EX4650 is shipped with two 650 W power supplies pre-installed. Each power supply is a hot-removable and hot-insertable field-replaceable unit (FRU) when the second power supply is installed and running. You can install replacement power supplies in the two slots next to the fan modules without powering off the switch or disrupting switch functions.
  • Page 87 1. Attach the grounding strap to your bare wrist and to a site ESD point. 2. Ensure that the power supplies are fully inserted in the chassis and the latches are secure. If only one power supply is installed, ensure that a blank cover panel is installed over the second power supply slot.

  • Page 88: Connecting Dc Power To An Ex4650 Switch

    CAUTION: Replace a failed power supply with a blank panel or new power supply within one minute of removal to prevent chassis overheating. Connecting DC Power to an EX4650 Switch The EX4650 is shipped from the factory with two 650 W power supplies. Each power supply is a hot-removable and hot-insertable field-replaceable unit (FRU) when the second power supply is installed and running.
  • Page 89 Install the power supply in the chassis. Ensure that you have the following parts and tools available. Also, the grounding cable must be 14 AWG (2 mm²), minimum 90° C wire, or as permitted by the local code. Grounding lug for your grounding cable—The grounding lug required is a Panduit LCD10-10A-L or equivalent.
  • Page 90 4. Ensure that the power supplies are fully inserted in the chassis. 5. Remove the terminal block cover. The terminal block cover is a piece of clear plastic that snaps into place over the terminal block (see Figure 37 on page 93).
  • Page 91 Figure 37: DC Power Supply Faceplate for an EX4650 Shunt negative input terminals (+RTN) ESD grounding point — — Shunt positive input terminals (-48V) Fault LED — — Terminal block Output LED — — Ejector lever Input LED — — CAUTION: The V+ terminals are shunted internally together, as are the V- terminals.

  • Page 92: Connecting The Ex4650 To The Network

    Installing a Transceiver | 94 Connecting a Fiber-Optic Cable | 97 Installing a Transceiver The transceivers for Juniper Networks devices are hot-removable and hot-insertable field-replaceable units (FRUs). You can remove and replace them without powering off the device or disrupting the device functions.
  • Page 93 Juniper Networks with your Juniper Networks device. CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.
  • Page 94 WARNING: Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The rubber safety cap keeps the port clean and prevents accidental exposure to laser light. 4. If the port in which you want to install the transceiver is covered with a dust cover, remove the dust cover and save it in case you need to cover the port later.

  • Page 95: Connecting A Fiber-Optic Cable

    Connecting a Fiber-Optic Cable Before you begin to connect a fiber-optic cable to an optical transceiver installed in a device, ensure that you have taken the necessary precautions for safe handling of lasers (see “Laser and LED Safety Guidelines and Warnings” on page 164).

  • Page 96: Connecting The Ex4650 To External Devices

    Connecting the EX4650 to External Devices IN THIS SECTION Connecting a Device to a Network for Out-of-Band Management | 98 Connecting a Device to a Management Console by Using an RJ-45 Connector | 99 Connecting a Device to a Network for Out-of-Band Management You can monitor and manage these devices by using a dedicated management channel.
  • Page 97 Figure 42: Connecting a Device to a Network for Out-of-Band Management Connecting a Device to a Management Console by Using an RJ-45 Connector You can configure and manage these devices by using a dedicated management channel. Each device has a console port to which you can connect an Ethernet cable with an RJ-45 connector. Use the console port to connect the device to the console server or management console.

  • Page 98: Configuring Junos Os On The Ex4650

    NOTE: If your laptop or PC does not have a DB-9 male connector pin and you want to connect your laptop or PC directly to the device, use a combination of the RJ-45 to DB-9 female adapter supplied with the device and a USB to DB-9 male adapter. You must provide the USB to DB-9 male adapter.

  • Page 99: Ex4650 Switch Default Configuration

    EX4650 Switch Default Configuration Each EX4650 switch is programmed with a factory default configuration that contains the values set for each configuration parameter when a switch is shipped. The default configuration file sets values for system parameters such as the system log and file messages. When you commit changes to the configuration, a new configuration file is created that becomes the active configuration.
  • Page 100 You configure the switch by issuing Junos OS command-line interface (CLI) commands, either on a console device attached to the console (CON) port on the front panel, or over a telnet connection to a network connected to the Ethernet management (C0 or C1) port on the front panel. Before you begin connecting and configuring an EX4650 switch, gather the following information: Name the switch will use on the network Domain name the switch will use...
  • Page 101 [edit] root@# set system root-authentication encrypted-password encrypted-password [edit] root@# set system root-authentication ssh-dsa public-key [edit] root@# set system root-authentication ssh-rsa public-key 6. Configure the name of the switch. If the name includes spaces, enclose the name in double quotation marks (“ ”). [edit] root@# set system host-name host-name 7.
  • Page 102 [edit] root@# set interfaces em0 unit 0 family inet address address/prefix-length 11. Configure the IP address of a backup router, which is used only while the routing protocol is not running. [edit] root@# set system backup-router address 12. Configure the IP address of a DNS server. [edit] root@# set system name-server address 13.
  • Page 103 interfaces { em0 { unit 0 { family inet { address address/prefix-length; 16. Commit the configuration to activate it on the switch. [edit] root@# commit 17. (Optional) Configure additional properties by adding the necessary configuration statements. Then commit the changes to activate them on the switch. [edit] root@switch# commit 18.

  • Page 104: Maintaining Components

    C HAPTER Maintaining Components Maintaining the EX4650 Cooling System | 109 Maintaining the EX4650 Power System | 112 Maintaining Transceivers | 115 Maintaining Fiber-Optic Cables | 125...

  • Page 106: Maintaining The Ex4650 Cooling System

    Maintaining the EX4650 Cooling System IN THIS SECTION Removing a Fan Module from an EX4650 Switch | 109 Installing a Fan Module in an EX4650 Switch | 110 Removing a Fan Module from an EX4650 Switch The fan module in EX4650 switches is a hot-removable and hot-insertable field-replaceable unit (FRU) installed in the rear panel of the switch: You can remove and replace it without powering off the switch or disrupting switch functions.

  • Page 107: Installing A Fan Module In An Ex4650 Switch

    5. Install the replacement fan. 6. Tighten the captive screws on the faceplate of the fan module by using your fingers. If you are unable to tighten the captive screws by using your fingers, use the screwdriver. Figure 46: Removing a Fan Module from an EX4650 Switch NOTE: Both the fan modules must be installed and operational for optimal functioning of the switch.
  • Page 108 The fan module slots are located between the management ports and power supply units. NOTE: If you have a Juniper J-Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/. Failure to do so could result in significant delays if you need replacement parts. This note does not apply if you replace existing components with the same type of component.

  • Page 109: Maintaining The Ex4650 Power System

    Figure 47: Installing a Fan Module in an EX4650 Switch Maintaining the EX4650 Power System IN THIS SECTION Removing a Power Supply from an EX4650 Switch | 112 Installing an AC Power Supply in an EX4650 Switch | 114 Removing a Power Supply from an EX4650 Switch All EX4650 switches are shipped from the factory with two power supplies.
  • Page 110 CAUTION: Replace the power supply with a new power supply within 1 minute of removal to prevent chassis overheating. To remove a power supply from an EX4650: 1. Place the antistatic bag or antistatic mat on a flat, stable surface. 2.

  • Page 111: Installing An Ac Power Supply In An Ex4650 Switch

    Figure 48: Removing a Power Supply from an EX4650 Installing an AC Power Supply in an EX4650 Switch The AC power supply in EX4660 switches is a hot-removable and hot-insertable field-replaceable unit (FRU) installed in the rear panel of the switch: You can remove and replace a power supply without powering off the switch or disrupting switch functions.

  • Page 112: Maintaining Transceivers

    NOTE: Each power supply must be connected to a dedicated power source outlet. To install an AC power supply in the switch, see Figure 49 on page 115 shows how to install an AC power supply. The power supply slots are at the right end of the rear panel. 1.

  • Page 113: Removing A Transceiver

    Removing a Transceiver The transceivers for Juniper Networks devices are hot-removable and hot-insertable field-replaceable units (FRUs). You can remove and replace them without powering off the device or disrupting device functions. NOTE: After you remove a transceiver or when you change the media-type configuration, wait for 6 seconds for the interface to display the operational commands.
  • Page 114 CAUTION: Do not bend fiber-optic cables beyond their minimum bend radius. An arc smaller than a few inches in diameter can damage the cables and cause problems that are difficult to diagnose. 4. Remove the cable connected to the transceiver (see “Disconnecting a Fiber-Optic Cable”...
  • Page 115 5. To remove an SFP, SFP+, XFP, or a QSFP+ transceiver: a. By using your fingers, pull open the ejector lever on the transceiver to unlock the transceiver. CAUTION: Before removing the transceiver, make sure that you open the ejector lever completely until you hear it click.

  • Page 116: Removing A Qsfp28 Transceiver

    8. Place the dust cover over the empty port or install the replacement transceiver. Removing a QSFP28 Transceiver The transceivers for Juniper Networks devices are hot-removable and hot-insertable field-replaceable units (FRUs). You can remove and replace them without powering off the device or disrupting the device functions.
  • Page 117 4. Disconnect the cable from the transceiver. Immediately cover the transceiver and the end of the cable with a rubber safety cap. CAUTION: Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The safety cap keeps the port clean and prevents accidental exposure to laser light.

  • Page 118: Installing A Transceiver

    Juniper Networks with your Juniper Networks device. CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.
  • Page 119 3. Check to see whether the transceiver is covered with a rubber safety cap. If it is not, cover the transceiver with a rubber safety cap. WARNING: Do not leave a fiber-optic transceiver uncovered except when inserting or removing a cable. The rubber safety cap keeps the port clean and prevents accidental exposure to laser light.

  • Page 120: Installing A Qsfp28 Transceiver

    Juniper Networks with your Juniper Networks device. CAUTION: If you face a problem running a Juniper Networks device that uses a third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC) can help you diagnose the source of the problem. Your JTAC engineer might recommend that you check the third-party optic or cable and potentially replace it with an equivalent Juniper Networks optic or cable that is qualified for the device.
  • Page 121 To install a QSFP28 transceiver (see Figure 53 on page 124): 1. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to the ESD point on the switch. 2.

  • Page 122: Maintaining Fiber-Optic Cables

    CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow fastened loops of cable to dangle, which stresses the cable at the fastening point. CAUTION: Avoid bending fiber-optic cable beyond its minimum bend radius. An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose.

  • Page 123: Disconnecting A Fiber-Optic Cable

    Do not let fiber-optic cables hang free from the connector. Do not allow fastened loops of cables to dangle, which stresses the cables at the fastening point. Disconnecting a Fiber-Optic Cable Juniper Networks devices have field-replaceable unit (FRU) optical transceivers to which you can connect fiber-optic cables.

  • Page 124: Maintaining Fiber-Optic Cables

    The rubber safety cap keeps the port clean and prevents accidental exposure to laser light. 4. Cover the fiber-optic cable connector with the rubber safety cap. Maintaining Fiber-Optic Cables Fiber-optic cables connect to optical transceivers that are installed in Juniper Networks devices. To maintain fiber-optic cables:...
  • Page 125 When you unplug a fiber-optic cable from a transceiver, place rubber safety caps over the transceiver and on the end of the cable. Anchor fiber-optic cables to prevent stress on the connectors. When attaching a fiber-optic cable to a transceiver, be sure to secure the fiber-optic cable so that it does not support its own weight as it hangs to the floor.

  • Page 126: Troubleshooting Hardware

    C HAPTER Troubleshooting Hardware Troubleshooting the EX4650 Components | 131...

  • Page 128: Troubleshooting The Ex4650 Components

    Troubleshooting the EX4650 Components IN THIS SECTION Understanding Alarms | 131 Interface Alarm Messages | 132 Creating an Emergency Boot Device | 133 Understanding Alarms The QFX series switches support different alarm types and severity levels. Table 36 on page 131 provides a list of alarm terms and definitions that may help you in monitoring the device.

  • Page 129: Interface Alarm Messages

    Table 36: Alarm Terms and Definitions (continued) Term Definition Alarm types Alarms include the following types: Chassis alarm—Predefined alarm triggered by a physical condition on the device such as a power supply failure or excessive component temperature. Interface alarm—Alarm you configure to alert you when an interface link is down. Applies to ethernet, fibre-channel, and management-ethernet interfaces.

  • Page 130: Creating An Emergency Boot Device

    In the following procedure, we assume that you are creating the emergency boot device on a switch. You can create the emergency boot device on another Juniper Networks switch or router, or any PC or laptop that supports Linux. The steps you take to create the emergency boot device vary, depending on the device.
  • Page 131 root@device% dd if=/var/tmp/install-media-host-usb-ex-4e-flex-x86-64-18.3R1.10-secure.img 11006+1 records in 11006+1 records out 180332544 bytes transferred in 71.764266 secs (2512846 bytes/sec) 6. Log out of the shell: root@device% exit % exit user@device>...

  • Page 132: Contacting Customer Support And Returning The Chassis Or Components

    C HAPTER Contacting Customer Support and Returning the Chassis or Components Returning an EX4650 Chassis or Components | 137...

  • Page 134: Returning An Ex4650 Chassis Or Components

    Packing an EX4650 Switch or Component for Shipping | 141 Returning an EX4650 Switch or Component for Repair or Replacement If you need to return a switch or hardware component to Juniper Networks for repair or replacement, follow this procedure: 1.

  • Page 135: Locating The Serial Number On An Ex4650 Switch Or Component

    Locating the Serial Number ID Labels on FRUs in an EX4650 Switch | 139 If you are returning a switch or hardware component to Juniper Networks for repair or replacement, you must locate the serial number of the switch or component. You must provide the serial number to the Juniper Networks Technical Assistance Center (JTAC) when you contact them to obtain Return Materials Authorization (RMA).

  • Page 136: Locating The Chassis Serial Number Id Label On An Ex4650 Switch

    Locating the Chassis Serial Number ID Label on an EX4650 Switch The serial number ID label is located on the rear panel of the chassis on EX4650 switches. Figure 55 on page 139 shows the location of the serial number ID label on EX4650 switches Figure 55: Location of the Serial Number ID Label on EX4650 Switches Chassis Serial Number —...

  • Page 137: Contacting Customer Support To Obtain Return Material Authorization

    Contacting Customer Support to Obtain Return Material Authorization If you are returning a device or hardware component to Juniper Networks for repair or replacement, obtain a Return Material Authorization (RMA) number from Juniper Networks Technical Assistance Center (JTAC). After locating the serial number of the device or hardware component you want to return, open a service request with Juniper Networks Technical Assistance Center (JTAC) on the Web or by telephone.

  • Page 138: Packing An Ex4650 Switch Or Component For Shipping

    Packing EX4650 Switch Components for Shipping | 143 Packing an EX4650 Switch for Shipping If you need to transport the switch to another location or return the switch to Juniper Networks, you must pack the switch securely in its original packaging to prevent damage during transportation.
  • Page 139 1. On the console or other management device connected to the switch, enter the CLI operational mode, and issue the following command to shut down the switch software: user@switch> request system halt Wait until a message appears on the console confirming that the operating system has halted. 2.

  • Page 140: Packing Ex4650 Switch Components For Shipping

    7. Place the top portion of the packaging foam on top of the switch. 8. If you are returning accessories or field-replaceable units (FRUs) with the switch, pack them as instructed “Packing EX4650 Switch Components for Shipping” on page 143. 9.

  • Page 141: Safety And Compliance Information

    C HAPTER Safety and Compliance Information General Safety Guidelines and Warnings | 147 Definitions of Safety Warning Levels | 148 Qualified Personnel Warning | 150 Warning Statement for Norway and Sweden | 151 Fire Safety Requirements | 151 Installation Instructions Warning | 153 Chassis and Component Lifting Guidelines | 153 Restricted Access Warning | 155 Ramp Warning | 157...
  • Page 142 Action to Take After an Electrical Accident | 177 Prevention of Electrostatic Discharge Damage | 177 AC Power Electrical Safety Guidelines | 179 AC Power Disconnection Warning | 180 DC Power Electrical Safety Guidelines | 181 DC Power Disconnection Warning | 182 DC Power Grounding Requirements and Warning | 184 DC Power Wiring Sequence Warning | 186 DC Power Wiring Terminations Warning | 189...

  • Page 143: General Safety Guidelines And Warnings

    General Safety Guidelines and Warnings The following guidelines help ensure your safety and protect the device from damage. The list of guidelines might not address all potentially hazardous situations in your working environment, so be alert and exercise good judgment at all times. Perform only the procedures explicitly described in the hardware documentation for this device.

  • Page 144: Definitions Of Safety Warning Levels

    Always ensure that all modules, power supplies, and cover panels are fully inserted and that the installation screws are fully tightened. Definitions of Safety Warning Levels The documentation uses the following levels of safety warnings (there are two Warning formats): NOTE: You might find this information helpful in a particular situation, or you might overlook this important information if it was not highlighted in a Note.
  • Page 145 WARNING: This symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Waarschuwing Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken.

  • Page 146: Qualified Personnel Warning

    Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. Qualified Personnel Warning WARNING: Only trained and qualified personnel should install or replace the device.

  • Page 147: Warning Statement For Norway And Sweden

    In addition, you should establish procedures to protect your equipment in the event of a fire emergency. Juniper Networks products should be installed in an environment suitable for electronic equipment. We recommend that fire suppression equipment be available in the event of a fire in the vicinity of the equipment and that all local fire, safety, and electrical codes and ordinances be observed when you install and operate your equipment.
  • Page 148 To keep warranties effective, do not use a dry chemical fire extinguisher to control a fire at or near a Juniper Networks device. If a dry chemical fire extinguisher is used, the unit is no longer eligible for coverage under a service agreement.

  • Page 149: Installation Instructions Warning

    Installation Instructions Warning WARNING: Read the installation instructions before you connect the device to a power source. Waarschuwing Raadpleeg de installatie-aanwijzingen voordat u het systeem met de voeding verbindt. Varoitus Lue asennusohjeet ennen järjestelmän yhdistämistä virtalähteeseen. Attention Avant de brancher le système sur la source d'alimentation, consulter les directives d'installation.
  • Page 150 Up to 39.7 lb (18 kg): One person. 39.7 lb (18 kg) to 70.5 lb (32 kg): Two or more people. 70.5 lb (32 kg) to 121.2 lb (55 kg): Three or more people. Above 121.2 lbs (55 kg): Material handling systems (such as levers, slings, lifts and so on) must be used. When this is not practical, specially trained persons or systems must be used (riggers or movers).

  • Page 151: Restricted Access Warning

    Restricted Access Warning...
  • Page 152 WARNING: This unit is intended for installation in restricted access areas. A restricted access area is an area to which access can be gained only by service personnel through the use of a special tool, lock and key, or other means of security, and which is controlled by the authority responsible for the location.

  • Page 153: Ramp Warning

    de servicio mediante la utilización de una herramienta especial, cerradura con llave, o algún otro medio de seguridad, y que está bajo el control de la autoridad responsable del local. Varning! Denna enhet är avsedd för installation i områden med begränsat tillträde. Ett område med begränsat tillträde får endast tillträdas av servicepersonal med ett speciellt verktyg, lås och nyckel, eller annan säkerhetsanordning, och kontrolleras av den auktoritet som ansvarar för området.
  • Page 154 De onderstaande richtlijnen worden verstrekt om uw veiligheid te verzekeren: De Juniper Networks switch moet in een stellage worden geïnstalleerd die aan een bouwsel is verankerd. Dit toestel dient onderaan in het rek gemonteerd te worden als het toestel het enige in het rek is.
  • Page 155 Les directives ci-dessous sont destinées à assurer la protection du personnel: Le rack sur lequel est monté le Juniper Networks switch doit être fixé à la structure du bâtiment. Si cette unité constitue la seule unité montée en casier, elle doit être placée dans le bas.
  • Page 156 Para garantizar su seguridad, proceda según las siguientes instrucciones: El Juniper Networks switch debe instalarse en un bastidor fijado a la estructura del edificio. Colocar el equipo en la parte inferior del bastidor, cuando sea la única unidad en el mismo.
  • Page 157 Följande riktlinjer ges för att trygga din säkerhet: Juniper Networks switch måste installeras i en ställning som är förankrad i byggnadens struktur.

  • Page 158: Grounded Equipment Warning

    Grounded Equipment Warning WARNING: The device is intended to be grounded. During normal use, ensure that you have connected earth ground to the chassis. Waarschuwing Deze apparatuur hoort geaard te worden Zorg dat de host-computer tijdens normaal gebruik met aarde is verbonden. Varoitus Tämä...

  • Page 159: Radiation From Open Port Apertures Warning

    Radiation from Open Port Apertures Warning WARNING: Because invisible radiation might be emitted from the aperture of the port when no fiber cable is connected, avoid exposure to radiation and do not stare into open apertures. Waarschuwing Aangezien onzichtbare straling vanuit de opening van de poort kan komen als er geen fiberkabel aangesloten is, dient blootstelling aan straling en het kijken in open openingen vermeden te worden.

  • Page 160: Laser And Led Safety Guidelines And Warnings

    Class 1 LED Product Warning | 166 Laser Beam Warning | 167 Juniper Networks devices are equipped with laser transmitters, which are considered a Class 1 Laser Product by the U.S. Food and Drug Administration and are evaluated as a Class 1 Laser Product per EN 60825-1 requirements.

  • Page 161: Class 1 Laser Product Warning

    Class 1 Laser Product Warning WARNING: Class 1 laser product. Waarschuwing Klasse-1 laser produkt. Varoitus Luokan 1 lasertuote. Attention Produit laser de classe I. Warnung Laserprodukt der Klasse 1. Avvertenza Prodotto laser di Classe 1. Advarsel Laserprodukt av klasse 1. Aviso Produto laser de classe 1.

  • Page 162: Class 1 Led Product Warning

    Class 1 LED Product Warning WARNING: Class 1 LED product. Waarschuwing Klasse 1 LED-product. Varoitus Luokan 1 valodiodituote. Attention Alarme de produit LED Class I. Warnung Class 1 LED-Produktwarnung. Avvertenza Avvertenza prodotto LED di Classe 1. Advarsel LED-produkt i klasse 1. Aviso Produto de classe 1 com LED.

  • Page 163: Laser Beam Warning

    Laser Beam Warning WARNING: Do not stare into the laser beam or view it directly with optical instruments. Waarschuwing Niet in de straal staren of hem rechtstreeks bekijken met optische instrumenten. Varoitus Älä katso säteeseen äläkä tarkastele sitä suoraan optisen laitteen avulla. Attention Ne pas fixer le faisceau des yeux, ni l'observer directement à...
  • Page 164 Operating Temperature Warning | 173 Product Disposal Warning | 175 While performing the maintenance activities for devices, observe the following guidelines and warnings:...

  • Page 165: Battery Handling Warning

    Battery Handling Warning WARNING: Replacing a battery incorrectly might result in an explosion. Replace a battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions. Waarschuwing Er is ontploffingsgevaar als de batterij verkeerd vervangen wordt. Vervang de batterij slechts met hetzelfde of een equivalent type dat door de fabrikant aanbevolen is.

  • Page 166: Jewelry Removal Warning

    Jewelry Removal Warning...
  • Page 167 WARNING: Before working on equipment that is connected to power lines, remove jewelry, including rings, necklaces, and watches. Metal objects heat up when connected to power and ground and can cause serious burns or can be welded to the terminals. Waarschuwing Alvorens aan apparatuur te werken die met elektrische leidingen is verbonden, sieraden (inclusief ringen, kettingen en horloges) verwijderen.

  • Page 168: Lightning Activity Warning

    Varning! Tag av alla smycken (inklusive ringar, halsband och armbandsur) innan du arbetar på utrustning som är kopplad till kraftledningar. Metallobjekt hettas upp när de kopplas ihop med ström och jord och kan förorsaka allvarliga brännskador; metallobjekt kan också sammansvetsas med kontakterna. Lightning Activity Warning WARNING: Do not work on the system or connect or disconnect cables during periods...

  • Page 169: Operating Temperature Warning

    Operating Temperature Warning...
  • Page 170 6 in. (15.2 cm) of clearance around the ventilation openings. Waarschuwing Om te voorkomen dat welke switch van de Juniper Networks router dan ook oververhit raakt, dient u deze niet te bedienen op een plaats waar de maximale aanbevolen omgevingstemperatuur van 40°...

  • Page 171: Product Disposal Warning

    Varning! Förhindra att en Juniper Networks switch överhettas genom att inte använda den i ett område där den maximalt rekommenderade omgivningstemperaturen på 40° C överskrids. Förhindra att luftcirkulationen inskränks genom att se till att det finns fritt utrymme på minst 15,2 cm omkring ventilationsöppningarna.

  • Page 172: General Electrical Safety Guidelines And Warnings

    General Electrical Safety Guidelines and Warnings WARNING: Certain ports on the device are designed for use as intrabuilding (within-the-building) interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE) and require isolation from the exposed outside plant (OSP) cabling. To comply with NEBS requirements and protect against lightning surges and commercial power disturbances, the intrabuilding ports must not be metallically connected to interfaces that connect to the OSP or its wiring.

  • Page 173: Action To Take After An Electrical Accident

    Operate the device within marked electrical ratings and product usage instructions. To ensure that the device and peripheral equipment function safely and correctly, use the cables and connectors specified for the attached peripheral equipment, and make certain they are in good condition. You can remove and replace many device components without powering off or disconnecting power to the device, as detailed elsewhere in the hardware documentation for this device.
  • Page 174 Always use an ESD wrist strap when you are handling components that are subject to ESD damage, and make sure that it is in direct contact with your skin. If a grounding strap is not available, hold the component in its antistatic bag (see Figure 58 on page 178) in one hand and touch the exposed, bare metal of the device with the other hand immediately before...

  • Page 175: Ac Power Electrical Safety Guidelines

    AC Power Electrical Safety Guidelines CAUTION: For devices with AC power supplies, an external surge protective device (SPD) must be used at the AC power source. The following electrical safety guidelines apply to AC-powered devices: Note the following warnings printed on the device: “CAUTION: THIS UNIT HAS MORE THAN ONE POWER SUPPLY CORD.

  • Page 176: Ac Power Disconnection Warning

    AC Power Disconnection Warning WARNING: Before working on the device or near power supplies, unplug all the power cords from an AC-powered device. Waarschuwing Voordat u aan een frame of in de nabijheid van voedingen werkt, dient u bij wisselstroom toestellen de stekker van het netsnoer uit het stopcontact te halen. Varoitus Kytke irti vaihtovirtalaitteiden virtajohto, ennen kuin teet mitään asennuspohjalle tai työskentelet virtalähteiden läheisyydessä.

  • Page 177: Dc Power Electrical Safety Guidelines

    DC Power Electrical Safety Guidelines A DC-powered device is equipped with a DC terminal block that is rated for the power requirements of a maximally configured device. Incorporate an easily accessible disconnect device into the facility wiring. Be sure to connect the ground wire or conduit to a solid office earth ground.

  • Page 178: Dc Power Disconnection Warning

    DC Power Disconnection Warning...
  • Page 179 WARNING: Before performing any of the DC power procedures, ensure that power is removed from the DC circuit. To ensure that all power is off, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the device handle of the circuit breaker in the OFF position.

  • Page 180: Dc Power Grounding Requirements And Warning

    corrente contínua e coloque-o na posição OFF (Desligado), segurando nessa posição a manivela do interruptor do disjuntor com fita isoladora. ¡Atención! Antes de proceder con los siguientes pasos, comprobar que la alimentación del circuito de corriente continua (CC) esté cortada (OFF). Para asegurarse de que toda la alimentación esté...
  • Page 181 WARNING: When you install the device, the ground connection must always be made first and disconnected last. Waarschuwing Bij de installatie van het toestel moet de aardverbinding altijd het eerste worden gemaakt en het laatste worden losgemaakt. Varoitus Laitetta asennettaessa on maahan yhdistäminen aina tehtävä ensiksi ja maadoituksen irti kytkeminen viimeiseksi.

  • Page 182: Dc Power Wiring Sequence Warning

    DC Power Wiring Sequence Warning...
  • Page 183 WARNING: Wire the DC power supply using the appropriate lugs. When connecting power, the proper wiring sequence is ground to ground, +RTN to +RTN, then –48 V to –48 V. When disconnecting power, the proper wiring sequence is –48 V to –48 V, +RTN to +RTN, then ground to ground.
  • Page 184 último. Observe que el alambre de tierra se debe conectar siempre primero y desconectar por último. ¡Atención! Wire a fonte de alimentação de DC Usando os talões apropriados na extremidade da fiação. Ao conectar a potência, a seqüência apropriada da fiação é moída para moer, +RTN a +RTN, então –48 V a –48 V.

  • Page 185: Dc Power Wiring Terminations Warning

    DC Power Wiring Terminations Warning...
  • Page 186 WARNING: When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with upturned lugs. These terminations must be the appropriate size for the wires and must clamp both the insulation and conductor. Waarschuwing Wanneer geslagen bedrading vereist is, dient u bedrading te gebruiken die voorzien is van goedgekeurde aansluitingspunten, zoals het gesloten-lus type of het grijperschop type waarbij de aansluitpunten omhoog wijzen.
  • Page 187 hacia arriba. Estos terminales deberán ser del tamaño apropiado para los cables que se utilicen, y tendrán que sujetar tanto el aislante como el conductor. Varning! När flertrådiga ledningar krävs måste godkända ledningskontakter användas, t.ex. kabelsko av sluten eller öppen typ med uppåtvänd tapp. Storleken på dessa kontakter måste vara avpassad till ledningarna och måste kunna hålla både isoleringen och ledaren fastklämda.

  • Page 188: Multiple Power Supplies Disconnection Warning

    Multiple Power Supplies Disconnection Warning WARNING: The network device has more than one power supply connection. All connections must be removed completely to remove power from the unit completely. Waarschuwing Deze eenheid heeft meer dan één stroomtoevoerverbinding; alle verbindingen moeten volledig worden verwijderd om de stroom van deze eenheid volledig te verwijderen.

  • Page 189: Tn Power Warning

    TN Power Warning WARNING: The device is designed to work with a TN power system. Waarschuwing Het apparaat is ontworpen om te functioneren met TN energiesystemen. Varoitus Koje on suunniteltu toimimaan TN-sähkövoimajärjestelmien yhteydessä. Attention Ce dispositif a été conçu pour fonctionner avec des systèmes d'alimentation Warnung Das Gerät ist für die Verwendung mit TN-Stromsystemen ausgelegt.
  • Page 190 BSMI CNS 13438 Taiwan Radiated and Conducted Emissions (at 10 Meter) KN 32 and KN 35 Korea Radiated Emission and Immunity Characteristics (at 10 Meter) KN 61000 Korea Immunity Test IEC/EN 61000 Immunity Test TEC/SD/DD/EMC-221/05/OCT-16 (Supersedes No. TEC/EMI/TEL-001/01/FEB-09) India EMC standard Juniper Inductive GND (JIG)

  • Page 191: Compliance Statements For Emc Requirements For Ex Series Switches

    Compliance Statements for EMC Requirements for EX Series Switches IN THIS SECTION Canada | 195 Taiwan | 196 European Community | 196 Israel | 196 Japan | 197 Korea | 197 United States | 197 FCC Part 15 Statement | 198 Nonregulatory Environmental Standards | 198 This topic applies to hardware devices in the EX Series product family, which includes EX Series switches, the EX Series Redundant Power System (RPS), and the XRE200 External Routing Engine.

  • Page 192: Taiwan

    Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, might give the telecommunications company cause to request the user to disconnect the equipment. CAUTION: Users should not attempt to make electrical ground connections by themselves, but should contact the appropriate inspection authority or an electrician, as appropriate.

  • Page 193: Japan

    Warning: This product is Class A. In residential environments, the product may cause radio interference, and in such a situation, the user may be required to take adequate measures. Japan The preceding translates as follows: This is a Class A device. In a domestic environment this device might cause radio interference, in which case the user needs to take adequate measures.

  • Page 194: Fcc Part 15 Statement

    residential area is likely to cause harmful interference, in which case users need to correct the interference at their own expense. FCC Part 15 Statement This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules.
  • Page 195 NOTE: For the EX6200-48P line cards, the intrabuilding ports must use shielded intrabuilding cabling or wiring that is grounded at both ends. All EX8200 switches EX9251 EX9253 These switches meet the following NEBS compliance standards: SR-3580 NEBS Criteria Levels (Level 4 Compliance) GR-1089-CORE: EMC and Electrical Safety for Network Telecommunications Equipment GR-63-CORE: NEBS, Physical Protection The equipment is suitable for installation as part of the Common Bonding Network (CBN).

This manual is also suitable for:

Ex4650-48y-afoEx4650-48y-afEx4650-48y-dc-afoEx4650-48y-dc-afi

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