Juniper ACX7332 Hardware Manual
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Juniper ACX7332 Hardware Manual

Juniper ACX7332 Hardware Manual

Cloud metro router
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ACX7332 Cloud Metro Router Hardware
Guide
Published
2024-05-05

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Summary of Contents for Juniper ACX7332

  • Page 1 ACX7332 Cloud Metro Router Hardware Guide Published 2024-05-05...
  • Page 2 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

    ACX7332 System Software Overview | 13 ACX7332 Chassis | 14 ACX7332 Chassis Description | 14 ACX7332 Physical Specifications | 19 Cooling System and Airflow in ACX7332 Routers | 20 Fan Trays | 21 Fan Status LEDs | 21 Airflow | 23...
  • Page 4 Site Electrical Wiring Guidelines | 50 ACX7332 Grounding Cable and Lug Specifications | 52 Clearance Requirements for Airflow and Hardware Maintenance of ACX7332 Routers | 53 ACX7332 Rack and Cabinet Requirements | 55 Rack Requirements for ACX7332 Routers | 56...
  • Page 5 Connect ACX7332 to External Devices | 96 Connect an ACX7332 Router to a Management Console | 96 Connect an ACX7332 Router to a Network for Out-of-Band Management | 97 Connect to 1-PPS and 10-Mhz timing devices | 98 Connect an ACX7332 Router to a GNSS Antenna | 99...
  • Page 6 Returning an ACX7332 Chassis or Components | 140 How to Return a Hardware Component to Juniper Networks, Inc. | 140 How to Locate the Serial Number on an ACX7332 Router or Component | 141 List the Chassis and Component Details Using the CLI | 142...
  • Page 7 Safety and Compliance Information Safety Information | 149 Compliance Statements for NEBS | 149 Compliance Statements for EMC Requirements | 149 Compliance Standards for ACX7332 Routers | 151...

  • Page 8: About This Guide

    About This Guide Use this guide to install hardware and perform initial software configuration, routine maintenance, and troubleshooting for the ACX7332 Cloud Metro Router. After completing the installation and basic configuration procedures covered in this guide, refer to the Junos OS Evolved...

  • Page 9: Fast Track: Initial Installation

    C HAPTER Fast Track: Initial Installation Fast Track to Rack Installation and Power | 2 Configure ACX7332 | 7...

  • Page 10: Fast Track To Rack Installation And Power

    ACX7332 in a Rack" on page 81 Install the ACX7332 in a Rack You can install an ACX7332 router into a two-post rack, four-post rack, or a cabinet. We’ll walk you through the steps to install an AC-powered ACX7332 router in a two-post rack.
  • Page 11 Figure 1: Load the ACX7332 onto a Mechanical Lift b. Using the lift, align the router in front of the rack. c. Carefully position the chassis in the rack until the holes of the mounting brackets align with the holes in the rack posts.
  • Page 12 Figure 2: Secure the Router Flush with the Posts of the Rack 5. Ensure that the chassis is level by verifying that all screws on one side of the rack align with the screws on the other side. Figure 3: ACX7332 Router Installed in a Two-Post Rack...

  • Page 13: Connect To Power

    Connect the Power Cord and Power On the Router | 6 Ground the ACX7332 Router To connect AC power to an ACX7332 router: 1. Verify that a licensed electrician has attached the cable lug that is provided with the router to the grounding cable.
  • Page 14 "ACX7332 AC Power Cord Specifications" on page To connect an AC power cord to the ACX7332 router: Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end of the strap to the ESD point on the chassis.

  • Page 15: Configure Acx7332

    Use the information in this topic to learn more about what you can do with the ACX7332. After you have completed the initial steps to get your ACX7332 up and running, you can configure the ACX7332 using the Junos OS CLI. To learn more about what you can do with the ACX7332, see...
  • Page 16 (Continued) Table 1: What's Next If you want to Then Stay up-to-date about new and changed features, and Junos OS Evolved Release Notes known and resolved issues...

  • Page 17: Overview

    C HAPTER Overview ACX7332 System Overview | 10 ACX7332 Chassis | 14 Cooling System and Airflow in ACX7332 Routers | 20 ACX7332 Power System | 25 ACX7332 Routing Engine | 35 ACX7300 Flexible PIC Concentrators | 40...

  • Page 18: Acx7332 System Overview

    2.4 Tbps. The router has a fixed FPC with thirty-two 25GbE and eight 100GbE ports, dual Routing Engines, three bays for pluggable interface modules, redundant power supply modules (AC or DC), and four fan trays (two fans per tray). The ACX7332 router supports the following pluggable FPCs: • ACX7K3-FPC-2CD4C—Two 400GbE and four 100GbE ports •...

  • Page 19: Benefits Of Acx7332 Routers

    ZR/ZR+ transceiver use across all supporting ports. ACX7332 Router Hardware Overview The ACX7332 router has a 3-U semi-fixed form factor that includes a fixed packet forwarding engine, pluggable dual routing engines, and three bays for pluggable Flexible PIC Concentrators (FPCs). Two dedicated power supply modules (PSMs) support AC or DC power and the cooling system supports front-to-back airflow with four fan trays (two fans per tray).

  • Page 20: Acx7332 Field-Replaceable Units

    • Hot-pluggable—You can remove and replace these components without powering off the router, but the routing function is interrupted until you replace the component. Table 3: FRUs in an ACX7332 Router Type Power supplies Hot-insertable and hot-removable.

  • Page 21: Acx7332 Router Component Redundancy

    Routing Engine takes over as the primary. • Power supply modules (PSMs)—You can install up to two PSMs on ACX7332 routers to provide full power, 1+1 redundancy to the device. Each PSM provides power to all components in the router. If one PSM fails, or if you remove one PSM, the second PSM balances the electrical load without interruption.

  • Page 22: Acx7332 Chassis

    Fixed FPC | 16 Timing Interface Ports | 17 The router chassis is a rigid sheet metal structure that houses all the router components. The ACX7332 router has a fixed Flexible PIC Concentrator (FPC), dual Routing Engines, three bays for pluggable modules, redundant power supply modules (AC or DC), and four fan trays (two fans per tray).
  • Page 23 Figure 4: Front View of an AC-Powered ACX7332 Router ACX7K3-FPC-2CD4C Flexible PIC Routing Engine — — Concentrators (FPC) ACX7K3-FPC-16Y FPC Fixed Flexible PIC Concentrator (FPC) — — AC PSMs — Figure 5: Rear View of an ACX7332 Router Fan Tray Protective Grounding Terminal —...
  • Page 24 Fixed FPC The ACX7332 router has a fixed flexible PIC concentrators (FPC) that has 32 SFP28 ports with MACsec capabilities and 8 QSFP28 ports. Table 4 on page 16 shows the port speeds supported on the fixed FPC. Figure 6: Fixed FPC Thirty two 1GbE/10GbE/25GbE SFP28 ports Eight 40GbE/100GbE QSFP28 ports.
  • Page 25 NOTE: Each 100GbE port supports 4x25GbE breakout option System LED on the Front Panel One bicolor LED below the device label (ACX7332) indicates the status of the router. Table 5 on page describes the system LED in more detail. Table 5: System LED on the Front Panel...
  • Page 26 • PPS—1-pulse per second (PPS) output connector for connecting to external clock signal sources. The clocking port synchronizes clock inputs based on the clock’s priority. Table 6: Timing Ports LEDs on the ACX7332 Chassis Color State...

  • Page 27: Acx7332 Physical Specifications

    (Continued) Table 6: Timing Ports LEDs on the ACX7332 Chassis Color State Description BITS Green On steadily Clock is active. Yellow On steadily Loss of clock. ACX7332 Physical Specifications Table 7: ACX7332 Router Chassis and Component Physical Specifications Description Weight...

  • Page 28: Cooling System And Airflow In Acx7332 Routers

    Table 7: ACX7332 Router Chassis and Component Physical Specifications (Continued) Description Weight Height Width Depth RE Blank 0.21 lbs (0.09 kg) .90 in. (2.28 cm) 6.75 in. (17.14 cm) 1.00 in. (2.54 cm) FPC Blank 0.54 lbs (0.24 kg) 1.65 in. (4.19 cm) 5.40 in.

  • Page 29: Fan Trays

    Figure 8: Fan Tray 1. Fan tray ejector lever NOTE: The ACX7332 router must operate with all the four fan trays installed. If you need to replace a faulty fan tray, you must replace the fan tray within three minutes.
  • Page 30 Figure 9: Fan Status LEDs on the front of the Router Figure 10: Fan Status LEDs on the rear of the Router Fan tray Two-hole Protective grounding terminal — — Fan tray LEDs — Table 8 on page 22 describes the behavior of the fan LED. Table 8: Fan Status LEDs Label Color...

  • Page 31: Airflow

    (Continued) Table 8: Fan Status LEDs Label Color State Description On steadily Software initialization is complete, and the fan is functioning normally. Yellow On steadily Equipment is faulty and malfunctioning. Dark Fan tray input power failure. Airflow The router has a front-to-back (AIR OUT) cooling system . Air is pulled through the front of the chassis toward the fan trays, which exhaust the air out of the router.

  • Page 32: Air Filter Unit

    Figure 11: Airflow Through the Chassis Air Filter Unit The air filter unit consists of four parts: the outer filter cover, the air filter, the inner cage, and the side brushes. The air filter sits right inside the outer filter cover and the inner cage. The air filter unit is installed in the front of the chassis and is secured to the rack rails by captive screws.

  • Page 33: Power Supply Cooling System

    The power supply modules (PSMs) are self-cooling and are located in the front of the router. Each PSM has its own fan and is cooled by its own internal cooling system. The PSMs in an ACX7332 router support back-to-front airflow (airflow in or AFI). This is because the PSMs on ACX7332 routers are installed on the front panel of the chassis and the ACX7332 chassis supports front-to-back airflow (airflow out or AFO).The AFI airflow of the PSMs supports the AFO airflow of the ACX7332 chassis.

  • Page 34: Acx7332 Ac Power Supply Module Description

    The ACX7332 router is powered by 2200 W hot-removable and hot-insertable pre-installed AC or DC power supply modules (PSMs). You can install two PSMs on ACX7332 routers to provide full power redundancy to the device. Each PSM provides power to all the components in the router. If one PSM fails, or if you remove one PSM, the second PSM balances the electrical load without interruption.
  • Page 35 — ACX7332 AC Power Specifications Table 9 on page 27 lists the power specifications for the AC PSM. Table 9: AC Power Specifications for ACX7332 Routers (Base Chassis with Dual RE) Item Specifications for ACX7332 AC input voltage Operating range: 180 VAC to 264 VAC...
  • Page 36 AC Power Supply Module LEDs on ACX7332 Routers The AC power supply module (PSM) on an ACX7332 router uses a single LED to indicate power status. Figure 14 on page 28 shows the AC PSM components along with the status LED.
  • Page 37 (Continued) Table 10: AC PSM LEDs on ACX7332 Routers LED Color Power Supply State Blinking amber The PSM is operating, but there are warning events. Possible causes include high temperature, high power, high current, or a slow fan. ACX7332 AC Power Cord Specifications Detachable AC power cords are shipped with the AC power supply modules.
  • Page 38 (Continued) Table 11: AC Power Cord Specifications Country/Region Electrical Plug Standards Juniper Model Graphic Specifications Number Europe (except Italy, 250 VAC, 16 A, CEE (7) 7 CBL-ACX-PWR- Switzerland, and 90 °C C19-EU United Kingdom) CBL-ACX-PWR- and Korea C19-KR India 250 AC, 16 A, 85 °C...

  • Page 39: Acx7332 Dc Power Supply Module Description

    C19-TW ACX7332 DC Power Supply Module Description IN THIS SECTION ACX7332 Input DC Voltage Specification | 32 DC Power Supply Module LEDs on ACX7332 Routers | 33 ACX7332 DC Power Cables | 34 ACX7332 DC Power Cable Lugs | 34...
  • Page 40 — ACX7332 Input DC Voltage Specification Table 12 on page 32 lists the specifications for DC PSM. Table 12: DC Power Specifications for ACX7332 Routers (Base Chassis with Dual RE) Item Specifications for ACX7332 DC input voltage Operating voltage range: 40 V through 72 V...
  • Page 41 DC Power Supply Module LEDs on ACX7332 Routers The DC power supply module (PSM) on an ACX7332 router uses a single LED to indicate power status. Figure 16 on page 33 shows the DC PSM components along with the status LED.
  • Page 42 ACX7332 DC Power Cable Lugs The accessory box shipped with the ACX7332 router includes the cable lugs that attach to the terminal studs of each PSM. Figure 17 on page 35...

  • Page 43: Acx7332 Routing Engine

    Figure 17: ACX7332 DC Power Cable Lugs CAUTION: Before you begin to install the ACX7332 router, have a licensed electrician attach a cable lug to the power cables that you supply. A cable with an incorrectly attached lug can damage the ACX7332 router.
  • Page 44 Routing Engine LEDs | 38 The ACX7332 Routing Engine provides control plane and chassis management functions. The Routing Engine provides high-performance compute horsepower and memory and storage infrastructure that enables the operating system to run. You can install one or two Routing Engines on the router. A redundant system hosts two Routing Engines, one being the primary and the other, the backup.
  • Page 45 Description Value Weight 2.14 lbs (0.97 kg) Routing Engine Front Panel Figure 19 on page 37 shows the front panel of the ACX7332 Routing Engine. Figure 19: ACX7332 Routing Engine Front Panel USB port ACT LED — — Management (MGMT) port ALM LED —...
  • Page 46 • Green (steady) when the 1000-Mbps link is up. • Orange (steady) when the 100-Mbps link is up. • Off when the link is down. • Off and ACT LED is Yellow (blinking) when the 10-Mbps link is up. The activity LED is: •...
  • Page 47 Table 15: ACX7300 Routing Engine LEDs Color State Description Green On steadily The Routing Engine is receiving adequate power. Blinking The Routing Engine is powered on but it has encountered a fault condition. Dark Power is disabled. Green On steadily The software is loaded and the Routing Engine is online.

  • Page 48: Acx7300 Flexible Pic Concentrators

    The ACX7332 router has a fixed Flexible PIC Concentrator (FPC) and two pluggable FPCs. The ACX7K3- FPC-2CD4C and ACX7K3-FPC-16Y are the pluggable FPCs that are installed horizontally in the front of the chassis. You can install these pluggable FPCs into any of the three FPC slots on the ACX7332 chassis.

  • Page 49: Acx7K3-Fpc-2Cd4C

    Figure 20: ACX7K3-FPC-2CD4C ACX7K3-FPC-2CD4C Figure 21 on page 41 shows the front panel of the ACX7K3-FPC-2CD4C FPC. Figure 21: ACX7K3-FPC-2CD4C Front Panel PWR LED Ejecter lever — — STS LED 400GbE and 100GbE ports — — Port LEDs Online/Offline button —...
  • Page 50 You can use this button to power off/on the FPC. button Cables and You can use the Hardware Compatibility Tool to find information about the pluggable connectors transceivers supported on your Juniper Networks device. Table 17 on page 43 summarizes the port speed capability of ACX7K3-FPC-2CD4C.
  • Page 51 Table 17: ACX7K3-FPC-2CD4C Port Speed FPC Slot Port Number Supported port speeds FPC 1 and FPC 2 Port 0 and Port 2 Each port supports the following port speeds: • 1x400G • 4x100G • 2x100G • 1x100G • 4x25G • 1x40G •...

  • Page 52: Acx7K3-Fpc-16Y

    (Continued) Table 17: ACX7K3-FPC-2CD4C Port Speed FPC Slot Port Number Supported port speeds Each port supports the following FPC 3 Port 0, Port 1, Port 2 port speeds: • 1x100G • 1x40G • 4x25G • 4x10G NOTE: Ports 3, 4, and 5 are unused in FPC slot 3.
  • Page 53 You can use this button to power off or switch on the FPC. button Cables and You can use the Hardware Compatibility Tool to find information about the pluggable connectors transceivers supported on your Juniper Networks device. Table 19 on page 46 summarizes the port speed capability of ACX7K3-FPC-16Y.

  • Page 54: Acx7300 Fpc Leds

    Table 19: ACX7K3-FPC-16Y Port Speed FPC Slot Port Number Supported port speeds FPC 1 and FPC 2 Port 0-15 Each port supports the following port speeds: • 1x10G • 1x25G • 1x10G • 1x50G NOTE: • The ports are mapped to two port groups: 0-7 and 8-15.
  • Page 55 Table 20: FPC Status LEDs Color State Description Green On steadily The FPC is receiving power and is operating correctly. On steadily The FPC has a power-related fault condition. Unlit The FPC is not receiving any power. Green On steadily The FPC is online.

  • Page 56: Site Planning, Preparation, And Specifications

    C HAPTER Site Planning, Preparation, and Specifications ACX7332 Site Guidelines and Requirements | 49 ACX7332 Rack and Cabinet Requirements | 55 ACX7332 Network Cable and Transceiver Planning | 59 ACX7332 Management and Console Port Specifications and Pinouts | 75...

  • Page 57: Acx7332 Site Guidelines And Requirements

    ACX7332 Site Guidelines and Requirements IN THIS SECTION SUMMARY Environmental Requirements and The proper function of the ACX7332 router depends Specifications for ACX7332 Routers | 49 on your meeting certain environmental requirements, following site and wiring guidelines, and ensuring General Site Guidelines | 50...

  • Page 58: General Site Guidelines

    Table 22: ACX7332 Router Environmental Tolerances Description Tolerance Altitude 6000 ft (1828 m) Relative operating humidity 5% to 90% (noncondensing) Operating temperature 32°F (0° C) through 131°F (55° C), at 6000 ft altitute Shipping and storage temperature -40° C to 70° C (-40° F to 158° F) General Site Guidelines Efficient device operation requires proper site planning and maintenance.
  • Page 59 WARNING: You must provide a properly grounded and shielded environment and use electrical surge-suppression devices. Avertissement Vous devez établir un environnement protégé et convenablement mis à la terre et utiliser des dispositifs de parasurtension. Table 23: Site Electrical Wiring Guidelines Site Wiring Guidelines Factor...

  • Page 60: Acx7332 Grounding Cable And Lug Specifications

    NOTE: You must ensure that all cables are rated for the environment in which they are deployed. For an ACX7332 router, you need a grounding cable and an LCD6-14A-L lug (see Figure 23 on page 52. The grounding lug accommodates a 6 AWG , 90° C stranded copper wire (green with yellow insulation), or as required by the local code.

  • Page 61: Clearance Requirements For Airflow And Hardware Maintenance Of Acx7332 Routers

    • If you are mounting an ACX7332 router in a rack or cabinet with other equipment, ensure that the exhaust from other equipment does not blow into the intake vents of the chassis.
  • Page 62 Figure 25: ACX7332 Chassis Dimensions and Clearance Requirements for a Cabinet...

  • Page 63: Acx7332 Rack And Cabinet Requirements

    ACX7332 Rack and Cabinet Requirements IN THIS SECTION SUMMARY Rack Requirements for ACX7332 You must install the ACX7332 router on a rack or in Routers | 56 a cabinet that meets specific dimension, strength, and airflow requirements. Cabinet Requirements for ACX7332...

  • Page 64: Rack Requirements For Acx7332 Routers

    Rack Requirements for ACX7332 Routers You can mount the ACX7332 routers on two-post racks or four-post racks. The size, strength, and location of the rack must accommodate the router's weight and external dimensions. Table 24 on page 56 provides the rack requirements and guidelines for ACX7332 routers.

  • Page 65: Cabinet Requirements For Acx7332 Routers

    Secure the rack to the ceiling brackets and to the wall or floor brackets for maximum stability. Cabinet Requirements for ACX7332 Routers You can mount an ACX7332 router in an enclosure or cabinet that contains a two-post or four-post 19- Cabinets, Racks, Panels, and Associated Equipment (document number in. open rack as defined in EIA-310-D), published by the Electronics Industry Association.
  • Page 66 (Continued) Table 25: Cabinet Requirements and Specifications Cabinet Requirement Guidelines Cabinet airflow requirements When you mount the device in a cabinet, ensure that ventilation through the cabinet is sufficient to prevent overheating. • Ensure adequate cool air supply to dissipate the thermal output of the device or devices.

  • Page 67: Acx7332 Network Cable And Transceiver Planning

    You can use the Hardware Compatibility Tool to find information about the pluggable transceivers and connector types supported by your Juniper Networks device. The tool also documents the optical and cable characteristics, where applicable, for each transceiver. You can search for transceivers by product—...
  • Page 68 Table 26: Power Requirement and Supported Operating Temperature for Commercial Grade Transceivers Transceiver Type Power Requirement Supported Operating Temperature ACX7K3‑FPC‑2CD4C QSFP56‑DD 400G (ZR+) 40 ℃ at 6000 ft (standalone install) (2 QSFP56-DD ports + (2xQSFP56‑DD 400G‑ZR+) 4 QSFP28 ports) QSFP56‑DD 400G (ZR) 40 ℃...
  • Page 69 Table 26: Power Requirement and Supported Operating Temperature for Commercial Grade (Continued) Transceivers Transceiver Type Power Requirement Supported Operating Temperature 40 ℃ at 6000 ft SFP28 25G 1.5W (standalone install) 55 ℃ at 6000 ft (standalone install) 55 ℃ at 6000 ft (street cabinet-IP 65/IP 66 only) Fixed FPC...

  • Page 70: Cable And Connector Specifications For Acx7332

    CS Connector | 71 LC Duplex Connectors | 71 The transceivers that an ACX7332 device supports use fiber-optic cables and connectors. The type of connector and the type of fiber depend on the transceiver type. You can determine the supported cables and connectors for your specific transceiver by using the Hardware Compatibility Tool.
  • Page 71 angle. Ultra physical contact (UPC) refers to fiber that has been polished flat to a finer finish. You can determine the required fiber end with the connector type in the Hardware Compatibility Tool. 12-Fiber Ribbon Patch Cables with MPO Connectors You can use 12-fiber ribbon patch cables with socket MPO connectors to connect two transceivers of the same type—for example, 40GBASE-SR4-to-40GBASESR4 or 100GBASE-SR4-to-100GBASE-SR4.
  • Page 72 (Continued) Table 27: Cable Signals for 12-Fiber Ribbon Patch Cables Fiber Signal Rx1 (Receive) Rx0 (Receive) Table 28: Cable Pinouts for 12-Fiber Ribbon Patch Cables MPO Pin MPO Pin...
  • Page 73 (Continued) Table 28: Cable Pinouts for 12-Fiber Ribbon Patch Cables MPO Pin MPO Pin 12-Fiber Ribbon Breakout Cables with MPO-to-LC Duplex Connectors You can use 12-fiber ribbon breakout cables with MPO-to-LC duplex connectors to connect a QSFP+ transceiver to four separate SFP+ transceivers—for example, 4x10GBASE-LR-to-10GBASE-LR or 4x10GBASE-SR-to-10GBASE-SR SFP+ transceivers.
  • Page 74 Rx on LC Duplex 1 12-Ribbon Patch and Breakout Cables Available from Juniper Networks Juniper Networks sells 12-ribbon patch and breakout cables with MPO connectors that meet the requirements described earlier. You are not required to purchase cables from Juniper Networks.
  • Page 75 (Continued) Table 30: 12-Ribbon Patch and Breakout Cables Available from Juniper Networks Cable Type Connector Type Fiber Type Cable Length Juniper Model Number MTP12-FF-M3M MTP12-FF-M5M 10 m MTP12-FF-M10M Socket MPO/APC to socket MPO/ MTP12-FF-S1M APC, key up to key up...
  • Page 76 24-Fiber MPO Connectors You can use patch cables with 24-fiber MPO connectors to connect two supported transceivers of the same type—for example, 2x100GE-SR-to-2x100GE-SR. Figure 28 on page 68 shows the 24-fiber MPO optical lane assignments. Figure 28: 24-Fiber MPO Optical Lane Assignments NOTE: You must order cables with the correct polarity.
  • Page 77 Figure 29: MPO-16 One Row Connector Table 31 on page 69 lists the electrical signal to optical port mapping for QSFP-DD transceivers. Table 31: Electrical Signal to Optical Port Mapping for QSFP-DD Transceivers Electrical Data Input/Output MPO-12 (two row), MPO-16, or MPO-12, MDC (BiDi) Dual MPO-12 8 TX fibers and 8 RX fibers...
  • Page 78 (Continued) Table 31: Electrical Signal to Optical Port Mapping for QSFP-DD Transceivers Electrical Data Input/Output MPO-12 (two row), MPO-16, or MPO-12, MDC (BiDi) Dual MPO-12 TX-7 TX-8 RX-1 RX-2 RX-3 RX-4 RX-5 RX-6 RX-7 RX-8...
  • Page 79 Figure 30: Optical Media Dependent Interface Port Assignments NOTE: The MPO 12, 2 row optical MDI is used for breakout applications and is not intended for structured cabling applications. CS Connector You can use patch cables with CS connectors to connect two supported transceivers of the same type- for example, 2x100G-LR4 to 2x100G-LR4 or 2x100G-CWDM4 to 2x100G-CWDM4.

  • Page 80: Calculating Power Budget And Power Margin For Fiber-Optic Cables

    TIP: You can use the Hardware Compatibility Tool to find information about the pluggable transceivers supported on your Juniper Networks device. To calculate the power budget and power margin, perform the following tasks: How to Calculate Power Budget for Fiber-Optic Cables To ensure that fiber-optic connections have sufficient power for correct operation, you need to calculate the link's power budget, which is the maximum amount of power it can transmit.

  • Page 81: How To Calculate Power Margin For Fiber-Optic Cables

    the power budget, you use a worst-case analysis to provide a margin of error, even though all the parts of an actual system do not operate at the worst-case levels. To calculate the worst-case estimate of power budget (P ), you assume minimum transmitter power (P ) and minimum receiver sensitivity (P –...
  • Page 82 (Continued) Table 32: Estimated Values for Factors Causing Link Loss Link-Loss Factor Estimated Link-Loss Value Splice 0.5 dB Fiber attenuation Single mode—0.5 dB/km Multimode—1 dB/km The following sample calculation for a 2-km-long multimode link with a power budget (P ) of 13 dB uses the estimated values from Table 32 on page 73.

  • Page 83: Acx7332 Management And Console Port Specifications And Pinouts

    IN THIS SECTION SUMMARY Management Cable Specifications for ACX7332 Routers | 75 Management Port Connector Pinout Information for ACX7332 Routers | 76 Console Port Connector Pinout on ACX7332 Routers | 76 Management Cable Specifications for ACX7332 Routers Table 33 on page 75 lists the specifications for the cables that connect the console and management ports to management devices.

  • Page 84: Management Port Connector Pinout Information For Acx7332 Routers

    Management Port Connector Pinout Information for ACX7332 Routers The management port—labeled MGMT—on an ACX7332 uses an RJ-45 connector to connect to a management device for out-of-band management. The port uses an autosensing RJ-45 connector to support a 10/100BASE-T connection. Table 34 on page 76 provides the pinout information for the RJ-45 connector for the management port.
  • Page 85 NOTE: If your laptop or PC does not have a DB-9 plug connector pin and you want to connect your laptop or PC directly to an ACX7332, use a combination of the RJ-45 cable and RJ-45 to DB-9 adapter and a USB to DB-9 plug adapter.
  • Page 86 Initial Installation and Configuration Unpack an ACX7332 Router | 79 Install the ACX7332 in a Rack | 81 Connect ACX7332 to Power | 88 Connect ACX7332 to External Devices | 96 Perform Initial Software Configuration for ACX7332 Routers | 103...
  • Page 87 List | 80 Unpack the ACX7332 Shipping Pallet The ACX7332 router chassis is a rigid sheet-metal structure that houses the hardware components. The chassis ships in a cardboard box that has a wooden pallet base with foam cushioning between the layers.
  • Page 88 11. Save the shipping box and packing materials in case you need to move or ship the router at a later time. Compare the ACX7332 Order to the Packing List The router chassis shipment includes a packing list. Check the parts you receive in the shipping crate against the items on the packing list.
  • Page 89 Mount an ACX7332 in a Four-Post Rack | 83 You can install an ACX7332 router into a two-post rack, four-post rack, or a cabinet. Mount an ACX7332 in a Two-Post Rack Be sure that you have the following parts and tools available to install the router: •...
  • Page 90 NOTE: We ship the ACX7332 routers with preinstalled two-post mounting brackets. To mount an ACX7332 router on two posts of a rack: 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 device.
  • Page 91 5. Ensure that the chassis is level by verifying that all screws on one side of the rack align with the screws on the other side. Figure 34: ACX7332 Router Installed in a Two-Post Rack Mount an ACX7332 in a Four-Post Rack Be sure that you have the following parts and tools available to install the router: •...
  • Page 92 • A Phillips (+) screwdriver—not provided To install the router in a four-post rack: 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 device. 2.
  • Page 93 3. Fixed telescopic rail b. Pull out and detach the removable telescopic rail bracket from the telescopic rail assembly. c. Place the telescopic rail bracket over the chassis bracket. See Figure 37 on page d. Align the holes on the telescopic rail bracket over the chassis bracket. e.
  • Page 94 5. Attach the telescopic rails to the rack posts. a. Attach the rear end of the telescopic rails into the rear rack posts. b. Attach the front end of the telescopic rails into the front rack posts. Figure 39: Attach the Telescopic Rails to the Rack Rails 6.
  • Page 95 7. Grasp both sides of the router, lift it, and position the router so that the telescopic rail bracket attached to the chassis slides into the channel of the middle telescopic rails. Figure 41: Slide the Router into the Rack 8.
  • Page 96 Figure 43: ACX7332 Router Installed in a Four-Post Rack Connect ACX7332 to Power IN THIS SECTION SUMMARY Connect Earth Ground to ACX7332 Learn how to ground the ACX7332 Router and Routers | 88 connect it to AC and DC power.
  • Page 97 To meet safety and electromagnetic interference (EMI) requirements and to ensure proper operation, you must ground the router properly before connecting power. You must install the ACX7332 in a restricted-access location and ensure that the chassis is always properly grounded. The ACX7332 has a two-hole protective grounding terminal provided on the chassis...
  • Page 98 Figure 45: Connect the Grounding Cable to the ACX7332 router 5. Secure the grounding cable lug with the screws. 6. Dress the grounding cable and verify that it does not touch or block access to router components, and that it does not drape where people could trip over it.
  • Page 99 The PSM in an ACX7332 router is a hot-removable and hot-insertable field-replaceable unit (FRU). You can remove and replace it without powering off the router or disrupting routing functions. To connect AC power to an ACX7332 router: Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end of the strap to the ESD point on the chassis.
  • Page 100 • Install the PSM in the chassis. Ensure that you have the following parts and tools available: • Two DC power source cables. The ACX7332 supports a 6 AWG and 90 °C temperature-rated stranded copper wire. • An electrostatic discharge (ESD) grounding wrist strap (not provided) •...
  • Page 101 The DC PSM has two terminals labeled -48V/-60V (negative) and RTN (positive) for connecting the DC power cables labeled positive (+) and negative (-). The terminals are covered by a cover on the terminal block. Using a screwdriver (anticlockwise) unscrew the nut on top of the terminal block. Figure 47: Removing the Terminal Block Cover Install heat-shrink tubing insulation around the power cables.
  • Page 102 Figure 48: How to Install Heat-Shrink Tubing Remove the nuts from the four terminals. See Figure 49 on page Figure 49: Removing the Nuts from the Terminals Secure each power cable lug to the terminal with the nuts. Tighten the nuts on the power supply terminals until snug by using the screwdriver.
  • Page 103 Figure 50: Connecting the DC Cable NOTE: To connect the DC source to an ACX7332 router, use a 6 AWG and 90 °C temperature-rated stranded copper wire. a. Secure the positive (+) DC source power cable lug to the RTN (return) terminal.
  • Page 104 Antenna | 99 Connect an ACX7332 Router to a Management Console Each ACX7332 router has a console port with an RJ-45 connector. Use the console port to connect the device to a management console or to a console server. To connect the ACX7332 router to a management console: 1.
  • Page 105 To connect an ACX7332 router to a network for out-of-band management: 1. Connect one end of the cable to the management port labeled MGMT on the ACX7332 router. 2. Connect the other end of the cable to the management PC (see Figure 53 on page 98).
  • Page 106 Figure 53: Connect an ACX7332 Router to a Network for Out-of-Band Management Connect to 1-PPS and 10-Mhz timing devices Each ACX7332 router has SubMiniature B (SMB) connector ports that support 1 pulse per second (1- PPS) and 10-megahertz (10-MHz) timing devices.
  • Page 107 Guidelines. To connect an ACX7332 router to a GNSS antenna: 1. Connect one end of the LMR400 cable to the GNSS connector port (labeled GNSS) on the ACX7332 router. 2. Connect the other end of the LMR400 cable to the GNSS antenna. See Figure 54 on page 100.
  • Page 108 Figure 54: Antenna Cable Connections Juniper has tested this topology with the following cables: • LMR400 (10-m segment) from TE Connectivity. For more information, see Figure 55 on page 100. • LMR400 (100-m segment) from TE Connectivity. For more information, see Figure 56 on page 101.
  • Page 109 Figure 56: LMR400 (100-m Segment) Cable Specifications Figure 57: RG-58 (1-m Segment) Cable Specifications Table 37: Electrical Characteristics of the LMR400 Cable LMR400 Impedance 50 Ω Frequency DC-3GHz Voltage rating 335 Vrms...
  • Page 110 (Continued) Table 37: Electrical Characteristics of the LMR400 Cable LMR400 Dielectric withstanding voltage > 1000 V Insulation resistance > 5000 MΩ Table 38: Electrical Characteristics of the RG58 Cable RG58 Impedance 50 ± 2 Ω Capacitance 100 pF/m Velocity Ratio 66 % Resistance Inner Conductor- 36, 5 Ω/Km...
  • Page 111 • Stop Bits—1 • DCD State—Disregard Connect the console port on the ACX7332 to a laptop or a desktop PC using the RJ-45 cable and RJ-45 to DB-9 adapter. The console (CON) port is the RJ-45 port on the Routing Engine.
  • Page 112 [edit] root@re0# delete system commit factory-settings NOTE: ZTP is enabled on the ACX7332 in the factory-default configuration. You must stop ZTP before you configure any settings. Until you assign a root password and perform an initial commit, you might see ZTP-related messages on the console. You can safely ignore these messages while you configure the root password.
  • Page 113 0.0.0.0/0 next-hop destination-ip 12. Configure the IP address and prefix length for the management port on the router. On the ACX7332, the management port (MGMT) is the RJ-45 port on the Routing Engine. [edit] address/prefix-length...
  • Page 114 14. Enable Telnet service, if required. [edit] root@re0# set system services telnet NOTE: When Telnet is enabled, you cannot log in to the ACX7332 using root credentials. Root login is allowed only for SSH access. 15. Enable SSH service. [edit] root@re0# set system services ssh 16.
  • Page 115 C HAPTER Maintaining Components ACX7332 Fan Tray Maintenance | 108 ACX7332 Air Filter Unit Maintenance | 111 ACX7332 Power Supply Module Maintenance | 119 ACX7332 Routing Engine Maintenance | 126 ACX7332 Flexible PIC Concentrator Maintenance | 130...
  • Page 116 Before you remove a fan tray: • Ensure that you understand how to prevent ESD damage. • Ensure that you have the following parts and tools available to remove a fan tray from the ACX7332 router: • Electrostatic discharge (ESD) grounding strap...
  • Page 117 CAUTION: Do not remove the fan tray unless you have a replacement fan tray available. The fan tray on an ACX7332 router can be accessed from the front or the rear of the chassis. Remove a Fan Tray from the Rear of the Chassis To remove a fan tray from the rear of the chassis: 1.
  • Page 118 Before you begin to install a fan tray: • Ensure that you understand how to prevent ESD damage. • Ensure that you have the following parts and tools available to install a fan tray in an ACX7332 router: • Electrostatic discharge (ESD) grounding strap...
  • Page 119 3. Push the ejector handle upwards until it snaps in place. See Figure 60 on page 111. NOTE: The fan tray LED will glow green when a fan tray is inserted. Figure 60: Install a Fan Tray in an ACX7332 Router ACX7332 Air Filter Unit Maintenance IN THIS SECTION SUMMARY...
  • Page 120 Replace the Air Filter | 117 The air filter unit consists of four parts: the outer filter cover, the air filter, the inner cage, and the cable management brackets. The air filter sits right inside the outer filter cover and the inner cage. The air filter unit is installed in the front of the chassis and is secured to the rack rails by captive screws.
  • Page 121 Figure 62: Attach the Cable Management Brackets to the Chassis 3. Grasp both sides of the router, lift the router, and position it in the rack, aligning the holes of the mounting brackets with the holes in the front post of the rack. Align the bottom hole in both the mounting brackets with a hole in each rack post, making sure that the chassis is level.
  • Page 122 Figure 64: Install the Air Filter 6. Tighten the captive screws to secure the air filter unit to the cable management brackets. Install Air filter Unit in a Four-Post Rack To install an air filter unit in a four-post rack: 1.
  • Page 123 Figure 65: Loosen the Thumb Screws 2. Attach the cable management brackets on both sides of the chassis. Figure 66: Attach Cable Management Brackets on the Chassis 3. Push the chassis back (with the cable management brackets installed) and tighten the thumb screws to secure the device to the 4 post rack.
  • Page 124 Figure 67: 4. Slide the outer cage into the rails on the cable management brackets until it stops. Figure 68: Attach the filter door 5. Tighten the captive screws to secure the air filter unit to the cable management brackets.
  • Page 125 Replace the Air Filter IN THIS SECTION Remove the Air Filter | 117 Install the Air Filter | 118 The air filter sits right inside the outer filter cover and the inner cage. The air filter unit is installed into the cable management brackets, and is held tightly by captive screws.
  • Page 126 Figure 69: Remove the Air Filter from the Chassis Install the Air Filter To install the air filter: 1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis. 2.
  • Page 127 Install an ACX7332 DC Power Supply Module | 123 The power supply modules (PSMs) in an ACX7332 router are hot-removable and hot-insertable field- replaceable units (FRUs). You can remove and replace the PSMs without powering off the router or disrupting routing functions.
  • Page 128 Figure 71 on page 120) Figure 71: Remove an AC PSM from the ACX7332 Router 6. Grasp the PSM handle and pull firmly to slide the PSM halfway out of the chassis. 7. Place one hand under the PSM to support it and slide it completely out of the chassis. Take care not to touch power supply components, pins, leads, or solder connections.
  • Page 129 4. Attach the power cord to the PSM (see Figure 73 on page 121). Figure 73: Install an AC Power Cord on an ACX7332 Router 5. Attach the power cord to the AC power source, and switch on the dedicated customer-site 2-pole circuit breaker.
  • Page 130 6. Observe the status LED on the power supply faceplate. If the PSM is correctly installed and functioning normally, the status LED lights green steadily. Remove an ACX7332 DC Power Supply Module Before you remove a power supply module (PSM), be aware of the following: NOTE: The minimum required number of PSMs must always be present in the router.
  • Page 131 10. Pull the PSM straight out of the chassis. 11. Place the PSM in the antistatic bag or on the antistatic mat placed on a flat, stable surface. Install an ACX7332 DC Power Supply Module WARNING: Before performing DC power procedures, ensure that power is removed from the DC circuit.
  • Page 132 Figure 75: Removing the Terminal Block Cover b. Remove the nuts from the terminals. Figure 76: Removing the Nuts from the Terminals c. Secure each power cable lug to the terminal with the nuts. Tighten the nuts on the power supply terminals until snug by using the screwdriver.
  • Page 133 CAUTION: Ensure that each power cable lug seats flush against the surface of the terminal block as you are tightening the nuts. Ensure that each nut is properly threaded into the terminal. Applying installation torque to the nuts when improperly threaded can result in damage to the terminal. CAUTION: You must ensure that power connections maintain the proper polarity.
  • Page 134 Install the Routing Engine in the ACX7332 Router | 128 The ACX7332 router is shipped with one or two Routing Engines preinstalled in the chassis, depending on the configuration. You can install the Routing Engines in the two bottom slots on the front of the chassis.
  • Page 135 5. Grasp both ejector handles and slide the Routing Engine about halfway out of the chassis. Figure 78: Removing a Routing Engine from the ACX7332 Router 6. Grasp the ejector handle with one hand, and place your other hand under the Routing Engine for support as you slide it completely out of the chassis.
  • Page 136 Figure 79: Installing a Routing Engine Blank Install the Routing Engine in the ACX7332 Router Before you install a Routing Engine, ensure that you have an electrostatic discharge (ESD) grounding strap. To install a Routing Engine: 1. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end of the strap to one of the ESD points on the chassis.
  • Page 137 Figure 80: Removing a Routing Engine Blank 3. Remove the new Routing Engine from the antistatic bag, and inspect it for any damage before installing it in the chassis. 4. Lift the Routing Engine by its sides, being careful not to bump the connectors. 5.
  • Page 138 Install a Flexible PIC Concentrator in the ACX7332 Router | 133 Flexible PIC Concentrators (FPCs) on the ACX7332 router are field-replaceable units (FRUs) that can be installed in FPC slots on the front of the chassis. The FPCs are hot-pluggable—you can remove and replace them without powering off the router.
  • Page 139 2. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end of the strap to an ESD point on the chassis. An ESD point is located on the front of the ACX7332...
  • Page 140 Figure 83: Removing an ACX7332 FPC 6. Place the FPC on the antistatic mat. Be careful not to bump or handle the FPC by the connectors. If you do not have an antistatic mat, have another person help you slide the antistatic bag over the FPC before placing it on a stable surface.
  • Page 141 2. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other end of the strap to an ESD point on the chassis. An ESD point is located on the front of the ACX7332...
  • Page 142 Figure 85: Removing the FPC Blank 4. Remove the FPC from the antistatic bag, and inspect it for any damage before installing it in the chassis. 5. Lift the FPC by the handle with one hand, and support the lower edge with the other hand. 6.
  • Page 143 Figure 86: Installing an ACX7332 FPC...
  • Page 144 C HAPTER Troubleshooting Hardware Troubleshooting the ACX7332 Router | 137...
  • Page 145 IN THIS SECTION SUMMARY Alarm Types and Severity Classes on ACX7332 Routers | 137 Alarm Types and Severity Classes on ACX7332 Routers IN THIS SECTION Alarm Types | 138 Alarm Severity Classes | 138 Before monitoring the alarms on the router, become familiar with the terms defined in Table 39 on page 137.
  • Page 146 J-Web interface display or CLI display. Alarm Severity Classes Alarms on ACX7332 routers have two severity classes: • Major (steady red)—Indicates a critical situation on the router that has resulted from one of the following conditions. A major alarm condition requires immediate action.
  • Page 147 C HAPTER Contacting Customer Support and Returning the Chassis or Components Returning an ACX7332 Chassis or Components | 140...
  • Page 148 NOTE: Do not return any component to Juniper Networks, Inc. unless you have first obtained an RMA number. Juniper Networks, Inc. reserves the right to refuse shipments that do not have an RMA number.
  • Page 149 Locate the Serial Number ID Label on an ACX7332 Fan Tray | 143 Locate the Serial Number ID Label on an ACX7332 Power Supply Module | 143 Locate the Serial Number ID Label on an ACX7332 Routing Engine | 144...
  • Page 150 Locate the Chassis Serial Number ID Label on an ACX7332 Router On the ACX7332 router, the chassis serial number ID label is located on the top corner of the chassis, as shown in Figure 87 on page 142.
  • Page 151 Locate the Serial Number ID Label on an ACX7332 Fan Tray The fan tray installed in an ACX7332 router is a field-replaceable unit (FRU). For each FRU, you must remove the FRU from the router chassis to see the FRU serial number ID label.
  • Page 152 Locate the Serial Number ID Label on an ACX7332 Routing Engine The Routing and Control Boards (RCBs) installed in an ACX7332 router are field-replaceable units (FRUs). For each FRU, you must remove the FRU from the router chassis to see the FRU serial number ID label.
  • Page 153 Locate the Serial Number ID Label on an ACX7332 Flexible PIC Concentrator The Flexible PIC Concentrator (FPC) installed in an ACX7332 router is a field-replaceable unit (FRU). For each FRU, you must remove the FRU from the router chassis to see the FRU serial number ID label.
  • Page 154 — Contact 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 the Juniper Networks Technical Assistance Center (JTAC).
  • Page 155 Guidelines for Packing and Shipping Hardware Components To pack and ship individual components: 1. When you return components, make sure that they are adequately protected with packing materials and packed so that the pieces are prevented from moving around inside the carton. 2.
  • Page 156 C HAPTER Safety and Compliance Information Safety Information | 149 Compliance Statements for NEBS | 149 Compliance Statements for EMC Requirements | 149 Compliance Standards for ACX7332 Routers | 151...
  • Page 157 Networks products. Follow the guidelines provided in the guide to reduce the likelihood of personal injury, equipment damage, and damage to surrounding areas. Along with the information provided in the Juniper Networks Safety Guide, you must read and ACX7332 specific safety information provided in this hardware guide.
  • Page 158 Canada CAN ICES-3 (A)/NMB-3(A) European Community This is a Class A product. In a domestic environment, this product might cause radio interference in which case the user might be required to take adequate measures. Israel Translation from Hebrew—Warning: This product is Class A. In residential environments, the product might cause radio interference, and in such a situation, the user might be required to take adequate measures.
  • Page 159 Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Compliance Standards for ACX7332 Routers The ACX7332 routers comply with the following standards: • Safety • UL 60950-1:2007 R10.14 Information Technology Equipment •...
  • Page 160 • ICES-003 / ICES-GEN • BS EN 55032 • BS EN 55035 • EN 300 386 V1.6.1 • EN 300 386 V2.2.1 • EN 301 489-1 • EN 301 489-19 • BS EN 300 386 • EN 55032 • CISPR 32 •...
  • Page 161 • GR-3108 Class 2 Edition 3 • Radio Frequency • EN 303 413 • ETSI • ETSI Operational EN 300 019 Class 3.2 • ETSI Storage EN 300 019 2.1 Class 1.2 • ETSI Transportation EN 300 019 Class 2.3...

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