Juniper MX240 - Maintaining the Chassis and Components

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PART 5

Maintaining the Chassis and Components

•

Routine Maintenance Procedures on page 375

•

Maintaining Components on page 377

373Copyright © 2017, Juniper Networks, Inc.

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation25
Chapter 1 System Overview31
Chassis Components and Descriptions31
Overview31
Host Subsystem Components and Descriptions31
System Overview33
- MX240 Router Overview33
- Table 3: MX240 Router Capacity33
- Table 4: SCB Comparison34
Chapter 2 MX240 Router Release Notes35
- MX240 Router Release Notes35
  - Outstanding Issues with the MX240 Router35
- Errata with the MX240 Router Documentation36
Chapter 3 Chassis Components and Descriptions37
- MX240 Component Redundancy37
- MX240 Chassis Description38
- Figure 1: Front View of a Fully Configuredmx240 Router38
- Figure 2: Rear View of a Fully Configured AC-Poweredmx240 Router (110 V)39
- Figure 3: Rear View of a Fully Configured AC-Powered MX240 Router39
- Chassis Components and Descriptions39
- MX240 Router Hardware and CLI Terminology Mapping40
- Figure 4: Rear View of a Fully Configured DC-Poweredmx240 Router40
- Figure 5: Front View of a MPC Installed Horizontally in the MX240 Router40
- Table 5: MX240 Router Hardware Components and CLI Terminology40
- MX240 Craft Interface Overview42
- Figure 6: Front Panel of the Craft Interface42
- MX240 Alarm Relay Contacts on the Craft Interface43
- MX240 Alarm Leds and Alarm Cutoff/Lamp Test Button43
- Figure 7: Alarm Relay Contacts43
- MX240 Component Leds on the Craft Interface44
Chapter 4 Cooling System Components and Descriptions47
- MX240 Cooling System Description47
- Figure 8: Airflow through the Chassis47
- MX240 Fan LED48
- Figure 9: Fan Tray48
- Figure 10: Air Filter48
- Cooling System Components and Descriptions49
Chapter 5 Host Subsystem Components and Descriptions51
- MX240 Host Subsystem Description51
- MX240 Host Subsystem Leds52
- MX240 Midplane Description52
- Figure 11: Midplane52
- MX240 Host Subsystem Description52
- MX240 Routing Engine Description53
- RE-S-1800 Routing Engine Description for MX Series57
- RE-S-X6-64G Routing Engine Description59
- MX240 Routing Engine Leds61
- RE-S-1800 Routing Engine Leds61
- Table 13: Routing Engine Leds61
- Table 14: Routing Engine Leds61
- Figure 19: RE-S-X6-64G Routing Engine Leds62
- RE-S-X6-64G Routing Engine Leds62
- Table 15: RE-S-X6-64G Routing Engine Leds62
- Routing Engine Specifications63
- Table 16: Routing Engine Specifications63
- Table 17: End-Of-Life Routing Engine Specifications65
- Supported Routing Engines by Router66
Chapter 6 Line Card Components and Descriptions79
- Interface Modules-Dpcs79
- Interface Modules-Fpcs and Pics87
- Interface Modules-Mpcs and Mics93
Chapter 7 Power System Components and Descriptions119
- MX240 Power System Description119
- MX240 AC Power Supply Description120
- MX240 AC Power Supply Leds122
- MX240 DC Power Supply Description122
- MX240 DC Power Supply Leds124
- Table 55: Power Supply Redundancy and Power Distribution124
- Table 56: DC Power Supply Leds124
Chapter 8 Switch Fabric Components and Descriptions127
- MX240 SCB Description127
- Site Planning, Preparation, and Specifications137
Chapter 9 Preparation Overview139
- MX240 Router Physical Specifications139
- Table 60: Physical Specifications139
- MX240 Router Environmental Specifications140
- MX240 Site Preparation Checklist141
- Table 61: Routers Environmental Specifications141
- Table 62: Site Preparation Checklist141
- MX240 Router Rack Requirements142
- MX240 Router Cabinet Size and Clearance Requirements145
- Figure 40: Chassis Dimensions and Clearance Requirements145
- MX240 Router Cabinet Airflow Requirements146
- Figure 41: Airflow through the Chassis146
- Installing an MX240 Router Overview147
Chapter 10 Transceiver and Cable Specifications149
- Calculating Power Budget and Power Margin for Fiber-Optic Cables149
- Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion151
Chapter 11 Pinout Specifications155
- Pinout Specifications155
  - RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port155
  - RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE155
    - Ports155
    - Table 66: RJ-45 Connector Pinout for the Routing Engine ETHERNET Port155
- Table 67: RJ-45 Connector Pinout for the AUX and CONSOLE Ports156
Chapter 12 AC Power Requirements and Specifications157
- AC Power Supply Electrical Specifications for the MX240 Router157
- Table 68: AC Power Supply Electrical Specifications157
- Power Requirements for an MX240 Router158
- Table 69: AC Power System Specifications158
- Table 70: MX240 Common Component Power Requirements159
- Table 71: FRU Power Requirements159
- Calculating Power Requirements for MX240 Routers167
- Table 72: Sample Power Requirements for an MX240 Router168
- Table 73: Calculating Power Budget169
- Table 74: Calculating Input Power Examples169
- AC Power Circuit Breaker Requirements for the MX240 Router170
- AC Power Cord Specifications for the MX240 Router170
- Table 75: Calculating Thermal Output170
- Figure 42: AC Plug Types171
- Table 76: AC Power Cord Specifications171
Chapter 13 DC Power Requirements and Specifications173
- DC Power Supply Electrical Specifications for the MX240 Router173
- Table 77: DC Power Supply Electrical Specifications173
- Power Requirements for an MX240 Router174
- Table 78: DC Power System Specifications174
- Table 79: MX240 Common Component Power Requirements175
- Table 80: FRU Power Requirements175
- Calculating Power Requirements for MX240 Routers183
- Table 81: Sample Power Requirements for an MX240 Router184
- Table 82: Calculating Power Budget185
- Table 83: Calculating Input Power Examples185
- DC Power Circuit Breaker Requirements for the MX240 Router186
- Table 84: Calculating Thermal Output186
- MX240 Chassis Grounding Specifications187
- DC Power Source Cabling for the MX240 Router189
- Figure 46: Typical DC Source Cabling to the Router189
- DC Power Cable Specifications for the MX240 Router190
- Figure 47: DC Power Cable Lug190
- Part 3 Initial Installation and Configuration191
- Unpacking the MX240 Router193
Chapter 14 Unpackingthemx240Router193
- Tools and Parts Required to Unpack the MX240 Router193
- Figure 48: Contents of the Shipping Crate194
- Verifying the MX240 Router Parts Received195
- Table 85: Parts List for a Fully Configured Routers195
- Table 86: Accessory Box Parts List196
Chapter 15 Installing the Mounting Hardware197
- Installing the MX240 Router Mounting Hardware for a Rack or Cabinet197
- Table 87: Four-Post Rack or Cabinet Mounting Hole Locations197
- Figure 49: Installing the Front-Mounting Hardware for a Four-Post Rack or198
- Cabinet198
- Moving the Mounting Brackets for Center-Mounting the MX240 Router199
- Figure 50: Installing the Mounting Hardware for an Open-Frame Rack199
Chapter 16 Installing the MX240 Router201
- Installing an MX240 Router Overview201
- Tools Required to Install the MX240 Router with a Mechanical Lift202
- Installing the MX240 Router by Using a Mechanical Lift207
- Figure 55: Removing an FPC207
- Figure 56: Installing the Router in the Rack208
- Reinstalling Components in the MX240 Router after Installing It with a Lift209
- Tools Required to Install the MX240 Router Without a Mechanical Lift213
- Installing the MX240 Chassis in the Rack Manually219
Chapter 17 Connecting the MX240 Router to Power227
- Connections227
- Grounding the MX240 Router228
  - Power Supplies229
- Powering on an AC-Powered MX240 Router230
- Powering off the MX240 Router236
- Connecting an MX240 AC Power Supply Cord236
- Connecting an MX240 DC Power Supply Cable237
- Figure 75: Connecting Power Cables to the DC Power Supply238
Chapter 18 Connecting the MX240 Router to the Network241
- Tools and Parts Required for MX240 Router Connections241
- Connecting the MX240 Router to Management and Alarm Devices241
- Connecting the MX240 Router to a Network for Out-Of-Band Management244
- Figure 80: Alarm Relay Contacts244
- Figure 81: Ethernet Port244
- Connecting the MX240 Router to a Management Console or Auxiliary Device245
- Figure 82: Routing Engine Ethernet Cable Connector245
- Connecting the MX240 Router to an External Alarm-Reporting Device246
- Figure 83: Auxiliary and Console Ports246
- Figure 84: Routing Engine Console and Auxiliary Cable Connector246
- Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router247
- Figure 85: Alarm Relay Contacts247
- Figure 86: Attaching a Cable to a DPC248
- Figure 87: Attaching a Cable to a MIC248
Chapter 19 Initiallyconfiguringthemx240Router249
- Initially Configuring the MX240 Router249
- Installing and Replacing Components253
Chapter 20 Overview of Installing and Replacing Components255
- Tools and Parts Required to Replace MX240 Hardware Components256
- Table 88: Field-Replaceable Units256
- Table 89: Tools and Parts Required to Replace Hardware Components257
- Overview of Installing and Replacing Components255
  - MX240 Field-Replaceable Units (Frus)255
Chapter 21 Installing Components259
- Installing the MX240 Craft Interface259
- Installing the MX240 Air Filter260
- Figure 88: Installing the Craft Interface260
- Installing the MX240 Normal-Capacity Fan Tray261
- Figure 89: Installing the Air Filter261
- Installing an MX240 Routing Engine262
- Figure 90: Installing the Fan Tray262
- Installing an MX240 DPC263
- Figure 91: Installing a Routing Engine263
- Figure 92: Installing a DPC266
- Figure 93: Attaching a Cable to a DPC267
- Installing an MX240 FPC268
- Figure 94: Installing an FPC269
- Installing an MX240 MIC270
- Figure 95: Installing the Septum271
- Figure 96: Installing a MIC272
- Installing an MX240 MPC273
- Figure 97: Installing an MPC274
- Installing an MX240 Dual-Wide MIC275
- Figure 98: Removing the Septum275
- Installing an MX240 PIC277
- Figure 99: Installing a Dual-Wide MIC277
- Installing an MX240 as MLC279
- Figure 100: Installing a PIC279
- Installing an MX240 as MSC281
- Figure 101: Installing an as MLC281
- Installing an MX240 as MXC282
- Figure 102: Installing an as MSC282
- Figure 103: Installing an as MXC283
- Installing a Cable on an MX240 DPC, MPC, MIC, or PIC284
- Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or PIC285
- Installing an MX240 AC Normal-Capacity Power Supply286
- Figure 104: Installing an AC Power Supply287
- Installing an MX240 DC Normal Capacity Power Supply288
- Figure 105: Installing a DC Power Supply in the Router290
- Figure 106: Connecting DC Power to the Router290
- Installing an MX240 SCB291
- Figure 107: Installing an SCB292
Chapter 22 Replacing Chassis Components295
- Replacing the MX240 Craft Interface295
Chapter 23 Replacing Cooling System Component299
- Replacing the MX240 Air Filter299
- Replacing the MX240 Fan Tray301
Chapter 24 Replacing Host Subsystem Components305
- Replacing an MX240 Routing Engine305
- Replacing an SSD Drive on an RE-S-1800308
- Figure 117: Installing a Routing Engine308
- Figure 118: RE-S-1800 Storage Drive Slots309
- Replacing an SSD Drive on an RE-S-X6-64G310
- Figure 119: RE-S-X6-64G Storage Drive Slots310
- Figure 120: Removing an SSD in the Routing Engine RE-S-X6-64G312
- Figure 121: Installing an SSD in the Routing Engine RE-S-X6-64G314
- Replacing Connections to MX240 Routing Engine Interface Ports315
Chapter 25 Replacing Line Card Components327
- Replacing an MX240 DPC327
- Replacing an MX240 FPC332
- Replacing an MX240 MIC337
- Replacing an MX240 MPC341
- Replacing an MX240 PIC346
- Replacing a Cable on an MX240 DPC, MPC, MIC, or PIC350
  - Removing a Cable on an MX240 DPC, MPC, MIC, or PIC350
  - Installing a Cable on an MX240 DPC, MPC, MIC, or PIC351
- Replacing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or PIC353
- Replacing an MX240 as MLC355
- Replacing an MX240 as MSC358
- Replacing an MX240 as MXC361
Chapter 26 Replacing Power System Components365
- Replacing an MX240 AC Normal-Capacity Power Supply365
- Replacing an MX240 AC Power Supply Cord367
- Replacing an MX240 DC Normal-Capacity Power Supply368
- Replacing an MX240 DC Power Supply Cable373
Chapter 27 Replacing Switch Fabric Components377
- Upgrading an MX240 SCB377
- Replacing an MX240 SCB385
- Maintaining the Chassis and Components403
Chapter 28 Routine Maintenance Procedures405
- Routine Maintenance Procedures for the MX240 Router405
Chapter 29 Maintaining Components407
- Maintaining the MX240 Air Filter408
- Maintaining the MX240 Fan Tray408
- Maintaining the MX240 Host Subsystem410
- Maintaining MX240 Dpcs412
- Holding an MX240 DPC414
- Figure 159: Do Not Grasp the Connector Edge415
- Storing an MX240 DPC416
- Figure 160: Do Not Rest the DPC on an Edge416
- Maintaining MX240 Fpcs417
- Holding an MX240 FPC418
- Figure 161: Do Not Grasp the Connector Edge419
- Figure 162: Do Not Carry an FPC with Only One Hand420
- Figure 163: Do Not Rest the FPC on an Edge420
- Figure 164: Holding an FPC Vertically421
- Storing an MX240 FPC422
- Figure 165: Do Not Stack Fpcs422
- Maintaining MX240 Mics423
- Maintaining MX240 Mpcs423
- Maintaining MX240 Pics425
- Maintaining Cables that Connect to MX240 Dpcs, Mpcs, Mics, or Pics425
- Maintaining the MX240 Power Supplies426
- Maintaining Components407
  - Tools and Parts Required to Maintain the MX240 Router407
- Part 6 Troubleshooting Hardware429
- Troubleshooting Hardware429
Chapter 30 Troubleshooting Components431
- Chassis and Interface Alarm Messages432
- Alarm Relay Contacts432
- Craft Interface Leds432
- Component Leds433
- Juniper Networks Technical Assistance Center433
- Troubleshooting the MX240 Cooling System434
- Troubleshooting the MX240 Dpcs434
- Troubleshooting the MX240 Fpcs436
- Troubleshooting the MX240 Mics438
- Troubleshooting the MX240 Mpcs438
- Troubleshooting the MX240 Pics440
- Troubleshooting the MX240 Power System440
- Figure 166: MX240 DC High-Capacity Power Supply Input Mode Switch443
- Troubleshooting Components431
  - Troubleshooting Resources for MX240 Routers431
    - Command-Line Interface431
- Contacting Customer Support and Returning the Chassis or Components445
Chapter 31 Contacting Customer Support447
Chapter 32 Locating Component Serial Numbers449
- Displaying MX240 Router Components and Serial Numbers449
- MX240 Chassis Serial Number Label450
- Figure 167: Serial Number ID Label450
- MX240 SCB Serial Number Label451
- Figure 168: MX240 Chassis Serial Number Label451
- MX240 DPC Serial Number Label452
- Figure 169: SCB Serial Number Label452
- MX240 FPC Serial Number Label453
- Figure 170: DPC Serial Number Label453
- MX240 MIC Serial Number Label454
- Figure 171: FPC Serial Number Label454
- Figure 172: 2-Port MIC Serial Number Label455
- Figure 173: 4-Port MIC Serial Number Label455
- Figure 174: 20-Port MIC Serial Number Label455
- Figure 175: 40-Port MIC Serial Number Label455
- MX240 MPC Serial Number Label456
- Figure 176: MPC Serial Number Label456
- MX240 PIC Serial Number Label457
- MX240 Power Supply Serial Number Label457
- Figure 177: PIC Serial Number Label457
- Figure 178: AC Power Supply Serial Number Label458
- Figure 179: DC Power Supply Serial Number Label458
- MX240 Routing Engine Serial Number Label459
- Figure 180: Routing Engine Serial Number Label459
- Figure 181: RE-S-X6-64G Routing Engine Serial Number Label459
Chapter 33 Packing and Returning Components461
- Contacting Customer Support to Obtain Return Material Authorization461
- Guidelines for Packing Hardware Components for Shipment462
- Returning a Hardware Component to Juniper Networks, Inc462
- Packing the MX240 Router for Shipment463
- Safety and Compliance Information467
Chapter 34 Generalsafetyguidelinesandwarnings469
- General Safety Guidelines and Warnings469
- Definitions of Safety Warning Levels470
- Qualified Personnel Warning472
- Fire Safety Requirements473
- Warning Statement for Norway and Sweden474
- Preventing Electrostatic Discharge Damage to an MX240 Router474
- Figure 182: Placing a Component into an Electrostatic Bag475
Chapter 35 Installation Safety Guidelines and Warnings477
- Installation Instructions Warning477
- MX240 Chassis Lifting Guidelines478
- Ramp Warning479
- Rack-Mounting and Cabinet-Mounting Warnings479
- Grounded Equipment Warning483
Chapter 36 Radiation and Laser Warnings485
- Laser and LED Safety Guidelines and Warnings485
- Radiation from Open Port Apertures Warning487
Chapter 37 Maintenance and Operational Safety Guidelines and Warnings489
- Battery Handling Warning489
- Jewelry Removal Warning490
- Lightning Activity Warning491
- Operating Temperature Warning492
- Product Disposal Warning493
Chapter 38 Electrical Safety Guidelines and Warnings495
- General Electrical Safety Guidelines and Warnings495
- Prevention of Electrostatic Discharge Damage496
- Figure 183: Placing a Component into an Antistatic Bag497
- AC Power Electrical Safety Guidelines498
- AC Power Disconnection Warning499
- DC Power Copper Conductors Warning499
- DC Power Disconnection Warning500
- DC Power Grounding Requirements and Warning502
- DC Power Wiring Sequence Warning503
- DC Power Wiring Terminations Warning504
- Midplane Energy Hazard Warning506
- Multiple Power Supplies Disconnection Warning506
- Action to Take after an Electrical Accident506
- Site Electrical Wiring Guidelines for MX Series Routers507
Chapter 39 Agency Approvals and Compliance Statements509
- Agency Approvals for MX Series Routers509
- Compliance Statements for EMC Requirements for Juniper Networks509
- Japan511
- United States511
- Compliance Statements for Environmental Requirements for Juniper Networks511
  - Devices511
- Compliance Statements for Acoustic Noise for the MX240 Router512
- Compliance Statements for NEBS512

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