Transcription of MX204 Universal Routing Platform Hardware Guide
1 MX204 Universal Routing Platform Hardware Guide Published 2022-01-17. ii Juniper Networks, Inc. 1133 Innovation Way Sunnyvale, California 94089. USA. 408-745-2000. Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks are the property of their respective owners. Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify, transfer, or otherwise revise this publication without notice.
2 MX204 Universal Routing Platform Hardware Guide Copyright 2022 Juniper Networks, Inc. All rights reserved. The information in this document is current as of the date on the title page. YEAR 2000 NOTICE. Juniper Networks Hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the year 2038. However, the NTP application is known to have some difficulty in the year 2036. 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 By downloading, installing or using such software, you agree to the terms and conditions of that EULA.
3 Iii Table of Contents About This Guide | ix 1 Overview MX204 Router Overview | 2. MX204 Chassis | 4. MX204 Chassis Description | 4. MX204 Component Redundancy | 7. MX204 Field-Replaceable Units | 7. MX204 Hardware Components and CLI Terminology | 8. MX204 Front and Rear Panel Components | 9. Alarm LEDs on the MX204 Front Panel | 10. MX204 Cooling System | 11. MX204 Cooling System Description | 11. MX204 Fan Status LED | 14. MX204 AC Power System | 15. MX204 Power System Description | 15. MX204 Power Supply Module LEDs | 17. MX204 Router AC Power Specifications | 21. AC Power Circuit Breaker Requirements for the MX204 Router | 22.
4 AC Power Cord Specifications for MX204 Routers | 23. MX204 DC Power System | 25. MX204 Router DC Power Specifications | 25. DC Power Circuit Breaker Requirements for the MX204 Router | 26. DC Power Source Cabling for MX204 Router | 27. DC Power Cable Specifications for MX204 Router | 28. iv MX204 Host Subsystem | 29. MX204 Routing Engine Description | 29. MX204 Routing Engine LEDs | 33. 2 Site Planning, Preparation, and Specifications MX204 Site Preparation Checklist | 36. MX204 Site Guidelines and Requirements | 38. MX204 Router Physical Specifications | 38. MX204 Router Environmental Specifications | 39. MX204 Router Grounding Specifications | 40.
5 MX204 Router Cabinet Requirements and Specifications | 42. MX204 Router Clearance Requirements for Airflow and Hardware Maintenance | 44. MX204 Router Rack Requirements | 45. MX204 Network Cable and Transceiver Planning | 47. Calculating Power Budget and Power Margin for Fiber-Optic Cables | 47. How to Calculate Power Budget for Fiber-Optic Cables | 48. How to Calculate Power Margin for Fiber-Optic Cables | 48. CB-RE and RCB Interface Cable and Wire Specifications for MX series Routers | 50. Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 51. MX204 Management and Console Port Specifications and Pinouts | 52. RJ-45 Connector Pinouts for MX series CB-RE or RCB Auxillary and Console Ports | 52.
6 RJ-45 Connector Pinouts for an MX series CB-RE or RCB Management Port | 53. RJ-45 Connector Pinouts for the External Clock Ports | 54. MX204 Power Planning | 56. Power Consumption for an AC-Powered MX204 Router | 56. Power Consumption for a DC-Powered MX204 Router | 58. 3 Initial Installation and Configuration MX204 Installation Overview | 62. v Unpacking the MX204 | 63. Tools and Parts Required to Unpack the MX204 Router | 63. Unpacking MX204 Router | 63. Verifying the MX204 Router Parts Received | 64. Installing the MX204 | 67. Tools Required to Install the MX204 Chassis in Rack | 67. Installing the MX204 Chassis in a Rack | 67.
7 Installing the MX204 Chassis in a 19-in. Rack | 68. Installing the MX204 in a 21-in. ETSI Rack | 71. Connecting the MX204 to Power | 75. Tools and Parts Required for MX204 Router Grounding and Power Connections | 75. Grounding the MX204 Router | 76. Connecting Power to an AC-Powered MX204 Router | 77. Powering On an AC-Powered MX204 Router | 80. Connecting Power to a DC-Powered MX204 Router | 81. Powering On a DC-Powered MX204 Router | 83. Powering Off the MX204 Router | 84. Connecting the MX204 to the Network | 86. Tools and Parts Required to Connect the MX204 Router to External Devices | 86. Connecting the MX204 Router to External Devices and Cables | 87.
8 Connecting the Router to a Network for Out-of-Band Management | 87. Connecting the Router to a Console Device | 88. Connecting the Router to External Clocking and Timing Devices | 90. Performing the Initial Software Configuration for the MX204 Router | 93. 4 Maintaining Components Maintaining MX204 Components | 99. Routine Maintenance Procedures for MX204 Routers | 99. Maintaining the MX204 Routing Engine | 100. vi Replace an SFP, SFP+, or QSFP+ Transceiver | 101. Remove a Transceiver | 102. Install a Transceiver | 104. Replace a QSFP28 Transceiver | 105. Remove a QSFP28 Transceiver | 106. Install a QSFP28 Transceiver | 108.
9 Maintaining MX204 Cooling System Components | 110. Maintaining the MX204 Fan Module | 110. Replacing an MX204 Fan Module | 112. Removing an MX204 Fan Module | 112. Installing an MX204 Fan Module | 113. Maintaining MX204 Power System Components | 114. Maintaining the MX204 Power Supplies | 114. Replacing an MX204 AC Power Supply | 116. Removing an MX204 AC Power Supply | 116. Installing an MX204 AC Power Supply | 117. Replacing an MX204 DC Power Supply | 118. Removing an MX204 DC Power Supply | 119. Installing an MX204 DC Power Supply | 120. 5 Contacting Customer Support and Returning the Chassis or Components Contacting Customer Support and Returning the Chassis or Components | 124.
10 Contact Customer Support | 124. Contact Customer Support to Obtain Return Material Authorization | 125. Locating the Serial Number on an MX204 Router or Component | 126. Listing the Chassis and Component Details Using the CLI | 126. Locating the Chassis Serial Number ID Label on an MX204 | 127. Locating the Serial Number ID Labels on MX204 Power Supplies | 127. Locating the Serial Number ID Label on an MX204 Fan Module | 128. Guidelines for Packing Hardware Components for Shipment | 129. 6 Safety and Compliance Information vii Definitions of Safety Warning Levels | 132. General Safety Guidelines and Warnings | 133. General Safety Warnings for Juniper Networks Devices | 135.
