Juniper M120 - Page 207

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Table 68: Tools and Parts Required (continued)

ComponentsTool or part

Craft Interface

FEB

FPC

PIC

Routing Engine

Electrostatic bag or antistatic mat

AllElectrostatic discharge (ESD)

grounding wrist strap

Cables and connectors

PIC (in an FPC1)

Routing Engine

Flat-blade (–) screwdriver

Air filter

Cables and connectors

FEB

Fan tray (front or rear)

PIC

Power supply (AC or DC)

Phillips (+) screwdrivers, numbers 1

and 2

Fiber-optic PIC or PIC cableRubber safety cap

Cables and connectors

DC power supply

Wire cutters

Documentation

• M120 Field-Replaceable Units (FRUs) on page 179

• M120 Router Chassis Description on page 7

• Overview of Troubleshooting Resources for the M120 Router on page 283

Chapter 23: Overview of Installing and Replacing Components

Main Page

Default Chapter3
- Table of Contents3
- About the Documentation21
Chapter 1 System Overview29
- M120 Router Description29
- M120 Component Redundancy30
Chapter 2 M120 Router Release Notes31
- Outstanding Issues with the M120 Router31
- Errata with the M120 Router Documentation31
Chapter 3 Chassis Components and Descriptions33
- M120 Router Chassis Description33
- Figure 1: Front View of a Fully Configured M120 Router Chassis34
- Figure 2: Rear View of a Fully Configured AC-Powered M120 Router Chassis34
- M120 Midplane Description35
- Figure 3: Rear View of a Fully Configured DC-Powered M120 Router Chassis35
- M120 Cable Management System Description36
- Figure 4: M120 Midplane36
- M120 Craft Interface Description37
- M120 Alarm Leds and Alarm Cutoff/Lamp Test Button39
- Table 3: M120 Alarm Leds and Alarm Cutoff/Lamp Test Button39
- M120 Component Leds on the Craft Interface40
- M120 External Clock Interface Ports on the Craft Interface42
- Table 8: External Clock Leds on the M120 Craft Interface42
- M120 Alarm Relay Contacts on the Craft Interface43
Chapter 4 Cooling System Components and Descriptions45
- M120 Cooling System Description45
- Figure 7: Airflow through the M120 Chassis46
- Figure 8: M120 Front Fan Tray46
- Figure 9: M120 Rear Fan Tray46
Chapter 5 Host Subsystem Components and Descriptions47
- M120 Host Subsystem Description47
- M120 Routing Engine Description48
- M120 Routing Engine Leds51
- M120 RE-A-1800X2 Routing Engine Description51
- RE-A-1800 Routing Engine Leds53
- Figure 14: USB Memory Device in an Routing Engine53
- M120 Routing Engine Interface Ports and Status Indicators54
- Table 10: Routing Engine Leds54
- Routing Engine Specifications55
- Table 11: Routing Engine Specifications55
- Table 12: End-Of-Life Routing Engine Specifications58
- Supported Routing Engines by Router59
- M120 Control Board (CB) Description73
- M120 Control Board (CB) Leds74
- Figure 15: M120 CB74
- Table 38: M120 Control Board Leds75
Chapter 6 Line Card Components and Descriptions77
- M120 Flexible PIC Concentrators (Fpcs) Description77
- M120 Flexible PIC Concentrators (Fpcs) LED80
- M120 Compact Fpcs (Cfpcs) Description80
- M120 Fpcs and Cfpcs Supported82
- Table 39: Fpcs Supported by the M120 Router82
- M120 Pics Description83
- Table 40: Cfpcs Supported by the M120 Router83
- M120 PIC Leds84
- M120 Pics Supported84
- Table 41: Pics Supported in the M120 Router84
- M120 End-Of-Life Pics Supported89
- Table 42: End-Of-Life Pics Supported in the M120 Router89
- M120 PIC/FPC Compatibility92
- Table 43: M120 PIC/FPC Compatibility92
Chapter 7 Power System Components and Descriptions97
- M120 Power Supplies Description97
- M120 DC Power Supply Description98
- M120 AC Power Supply Description98
- Figure 20: M120 DC Power Supply98
- M120 Power Supply Leds99
- Figure 21: M120 AC Power Supply99
- Power System Components and Descriptions99
- Table 44: M120 Power Supply LED100
Chapter 8 Switch Fabric Components and Descriptions101
- M120 Forwarding Engine Boards (Febs) Description101
  - FEB Components102
  - Figure 22: M120 FEB102
- M120 Forwarding Engine Boards (Febs) Leds103
Chapter 9 Preparation Overview105
- Site Planning, Preparation, and Specifications105
- Preparation Overview107
Chapter 10 AC Power Requirements and Specifications119
- M120 AC Power, Connection, and Power Cord Specifications119
- Table 54: AC Power Cord Specifications120
- Electrical Specifications for the M120 AC Power Supply121
- Figure 26: M120 AC Plug Types121
- Table 55: AC Power Supply Electrical Specifications122
Chapter 11 DC Power Requirements and Specifications123
- M120 DC Power, Connection, and Cable Specifications123
- Figure 27: Typical DC Source Cabling to the M120 Router124
- DC Power Requirements and Specifications125
- Table 56: M120 DC Power and Grounding Cable Specifications125
- Electrical Specifications for the M120 DC Power Supply126
- Table 57: DC Power Supply Electrical Specifications126
Chapter 12 Network Cable and Transceiver Planning127
- Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion127
  - Signal Loss in Multimode and Single-Mode Fiber-Optic Cable127
  - Attenuation and Dispersion in Fiber-Optic Cable127
- Calculating Power Budget and Power Margin for Fiber-Optic Cables128
Chapter 13 Management Cable and Transceiver Specifications and Pinouts131
- Routing Engine Interface Cable and Wire Specifications for the M120 Router131
- Table 59: Routing Engine Interface Cable and Wire Specifications131
- RJ-45 Connector Pinouts for the M120 Routing Engine ETHERNET Port132
- RJ-45 Connector Pinouts for the Routing Engine AUX and CONSOLE Ports132
- Table 60: RJ-45 Connector Pinout for the Routing Engine ETHERNET Port132
- Table 61: RJ-45 Connector Pinout for the Routing Engine AUX and CONSOLE132
- RJ-45 Connector Pinouts for the External Clock Ports133
Chapter 14 Installation Overview137
- M120 Router Installation Summary137
Chapter 15 Unpacking the M120139
- Tools and Parts Required to Unpack the M120 Router139
- Unpacking the M120 Router139
- Verifying M120 Parts Received141
- Figure 28: Contents of the M120 Shipping Container141
- Table 63: Parts List for a Fully Configured M120 Router141
- Table 64: Accessory Box Parts List142
Chapter 16 Installing the Mounting Hardware145
- Cabinet145
- Table 65: Four-Post Rack or Cabinet Mounting Hole Locations for the M120145
- Installing the Mounting Hardware for a Front-Mount Open-Frame Rack147
- Figure 29: Installing the M120 Mounting Hardware for a Four-Post Rack or147
- Table 66: Open-Frame Rack Mounting Hole Locations for the M120 Router147
- Installing the Mounting Hardware for a Center-Mount Open-Frame Rack149
- Figure 30: Installing the M120 Mounting Hardware for an Open-Frame Rack149
Chapter 17 Installing the M120 with a Mechanical Lift151
- Tools Required to Install the M120 Router Using a Mechanical Lift151
- Installing the M120 Router Using a Mechanical Lift151
- Figure 31: Installing the M120 Router in the Rack153
Chapter 18 Installing the M120 Without a Mechanical Lift155
- Lift155
- Removing Components from the Chassis before Installing the M120 Router Without a Mechanical Lift155
- Installing the M120 Router Without Using a Mechanical Lift165
Chapter 19 Connecting the M120 to Ground177
- Connecting the Grounding Cable to the M120 Router177
- Figure 47: Connecting the Grounding Cable to the M120 Router178
Chapter 20 Connecting the M120 to External Devices179
- Tools and Parts Required to Connect the M120 Router179
- Connecting the M120 Router to Management and Alarm Devices179
  - Device179
- Connecting the M120 Router to a Network for Out-Of-Band Management186
- Figure 54: M120 Routing Engine Ethernet Cable Connector186
- Connecting the M120 Router to an External Alarm-Reporting Device187
- Figure 55: M120 Routing Engine External Device Ports187
- Connecting the M120 Router to an External Clocking Device189
- Figure 56: M120 Routing Engine Alarm Relay Contacts189
- Connecting PIC Cables to the M120 Router190
- Figure 57: Attaching a Cable to an M120 PIC192
Chapter 21 Providing Power to the M120193
- Connecting Power to an AC-Powered M120 Router193
- Figure 58: Connecting AC Power to the M120 Router194
- Connecting Power to a DC-Powered M120 Router195
- Powering on the M120 Router196
- Figure 59: Connecting DC Power to the M120 Router196
- Powering off the M120 Router197
Chapter 22 Configuring the Junos Software199
- Initially Configuring Junos os on the M120 Router199
Chapter 23 Installing and Replacing Components203
- Overview of Installing and Replacing Components205
Chapter 24 Replacing Chassis Components209
- Replacing Alarm Relay Wires on the M120 Craft Interface209
- Replacing the M120 Craft Interface210
Chapter 25 Replacing Cooling System Components213
- Replacing an M120 Air Filter213
- Replacing an M120 Fan Tray216
Chapter 26 Replacing Host Subsystem Components221
- Replacing an M120 Routing Engine221
- Replacing an SSD Drive on an RE-A-1800 or RE-S-1800224
- Figure 70: Installing an M120 Routing Engine224
- Figure 71: RE-A-1800 Storage Drive Slots225
- Figure 72: RE-S-1800 Storage Drive Slots225
- Replacing a DIMM Module in M120 Routing Engines226
  - Removing a M120 DIMM Module226
  - Installing a M120 DIMM Module227
- Replacing an M120 CB228
- Replacing Connections to M120 Routing Engine Interface Ports232
- Replacing the Console or Auxiliary Cable on the M120 Routing Engine235
- Figure 78: M120 Routing Engine Interface Ports and Alarm Relay Contacts235
- Figure 80: M120 Routing Engine Interface Ports and Alarm Relay Contacts235
- Replacing the Management Ethernet Cable on the M120 Routing Engine236
- Figure 81: M120 Routing Engine Interface Ports and Alarm Relay Contacts236
- Figure 82: M120 Ethernet Cable Connectors237
- Figure 83: M120 Routing Engine Interface Ports and Alarm Relay Contacts237
Chapter 27 Replacing Line Card Components239
- Replacing an M120 FPC239
- Replacing an M120 CFPC245
- Replacing an M120 PIC249
- Replacing an M120 PIC Cable254
- Replacing an M120 XENPAK Module257
- Replacing an SFP or XFP Transceiver260
Chapter 28 Replacing Power System Components265
- Replacing an M120 AC Power Supply265
- Replacing an M120 AC Power Supply Cord270
- Replacing an M120 DC Power Supply271
- Replacing an M120 DC Power Supply Cable277
- Figure 101: Connecting Power Cables to the M120 DC Power Supply277
Chapter 29 Replacing Switch Fabric Components281
- Replacing an M120 FEB281
Chapter 30 Routine Maintenance Procedures287
- Routine Maintenance Procedures on the M120 Router287
Chapter 31 Maintaining Components and Cables289
- Tools and Parts Required to Maintain M120 Hardware Components289
- Maintaining the M120 Air Filter289
- Maintaining the M120 Fan Trays290
- Maintaining the M120 Host Subsystem292
- Taking the M120 Host Subsystem Offline293
- Table 69: Effect of Taking the M120 Host Subsystem Offline294
- Maintaining M120 Fpcs and Cfpcs296
- Storing an M120 FPC297
- Holding an M120 FPC297
- Figure 104: Holding an M120 FPC Vertically298
- Figure 105: Holding an M120 FPC Horizontally299
- Figure 106: Do Not Grasp the Connector Edge299
- Figure 107: Do Not Carry an FPC with Only One Hand300
- Maintaining M120 Pics and PIC Cables301
- Figure 108: Do Not Rest the FPC on an Edge301
- Maintaining the M120 Power Supplies303
- Maintaining the M120 Febs304
  - Troubleshooting Hardware307
Chapter 32 Troubleshooting Components309
- Overview of Troubleshooting Resources for the M120 Router309
- M120 LED Overview310
  - Craft Interface Leds310
  - Component Leds311
- Troubleshooting the M120 Cooling System312
- Troubleshooting M120 Fpcs and Cfpcs313
- Troubleshooting M120 Pics314
- Troubleshooting the M120 Power System314
- Troubleshooting M120 Febs315
  - Or Removal317
  - Contacting Customer Support and Returning the Chassis or Components319
Chapter 33 Contacting Customer Support321
Chapter 34 Locating Component Serial Numbers323
- Displaying M120 Router Components and Serial Numbers323
- M120 Chassis Serial Number Label324
- Figure 109: Serial Number ID Label324
- M120 Craft Interface Serial Number Label325
- M120 Routing Engine Serial Number Label325
- Figure 110: M120 Chassis Serial Number Label325
- Figure 111: M120 Craft Interface Serial Number Label325
- M120 CB Serial Number Label326
- Figure 112: M120 Routing Engine Serial Number Label326
- Figure 113: M120 CB Serial Number Label326
- M120 FPC Serial Number Label327
- M120 CFPC Serial Number Label327
- Figure 114: M120 FPC Serial Number Label327
- Figure 115: M120 Routing Engine Serial Number Label327
- M120 PIC Serial Number Label328
- M120 Power Supply Serial Number Labels328
- Figure 116: M120 PIC Serial Number Label328
- M120 FEB Serial Number Label329
- Figure 117: M120 AC Power Supply Serial Number Label329
- Figure 118: M120 DC Power Supply Serial Number Label329
- Figure 119: M120 FEB Serial Number Label330
Chapter 35 Packing and Returning Components331
- Returning a Hardware Component to Juniper Networks, Inc331
- Tools and Parts Required to Remove Components from an M120 Router332
- Packing the M120 Router for Shipment332
- Guidelines for Packing M120 Components for Shipment334
  - Safety and Compliance Information335
Chapter 36 General Safety Guidelines and Warnings337
- Definition of Safety Warning Levels337
- General Safety Guidelines for Juniper Networks Devices339
- General Safety Warnings for Juniper Networks Devices340
  - Qualified Personnel Warning340
  - Restricted-Access Area Warning340
- Preventing Electrostatic Discharge Damage to an M120 Router342
- Figure 120: Placing a Component into an Electrostatic Bag342
Chapter 37 Fire Safety Requirements345
- Fire Safety Requirements for Juniper Networks Devices345
Chapter 38 Installation Safety Guidelines and Warnings347
- M120 Chassis Lifting Guidelines347
- Installation Safety Warnings for Juniper Networks Devices348
Chapter 39 Laser and LED Safety Guidelines and Warnings355
- General Laser Safety Guidelines for the M120 Router355
- M120 Laser and LED Safety Warnings355
Chapter 40 Maintenance and Operational Safety Guidelines and Warnings359
- Maintenance and Operational Safety Warnings for Juniper Networks Devices359
Chapter 41 Electrical Safety Guidelines and Warnings365
- In Case of an Electrical Accident365
- General Electrical Safety Warnings for Juniper Networks Devices365
- AC Power Electrical Safety Guidelines for the M120 Router369
- Japanese AC Power Cord Warning for M Series and MX Series Routers370
- DC Power Electrical Safety Warnings for Juniper Networks Devices370
- DC Power Electrical Safety Guidelines for the M120 Router373
- Site Electrical Wiring Guidelines for Juniper Networks Devices375
Chapter 42 Agency Approvals and Compliance Statements377
- Agency Approvals for M120 Routers377
- Compliance Statements for EMC Requirements for Juniper Networks Devices377
- Compliance Statements for EMC Requirements for the M120 Router379
  - Community)379
- Compliance Statements for EMC Requirements for Juniper Networks Devices (United States)380
- Compliance Statements for Environmental Requirements380
- Compliance Statements for NEBS for the M120 Router380
- Compliance Statements for Acoustic Noise for the M120 Router381

Juniper M120 - Page 207

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