Chapter 26 Replacing Switch Fabric Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Replacing, Upgrading, and Downgrading the M7i CFEB and CFEB-E . . . . . . . . . . 183
Removing the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Installing the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Upgrading and Downgrading the CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . 185
Part 5 Maintaining the Chassis and Components
Chapter 27 Routine Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Routine Maintenance Procedures for the M7i Router . . . . . . . . . . . . . . . . . . . . . . 189
Chapter 28 Maintaining Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Maintaining the M7i Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Maintaining the M7i Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Maintaining the M7i FIC and FIC Cables and PICs and PIC Cables . . . . . . . . . . . . 192
Maintaining the M7i Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Maintaining the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Part 6 Troubleshooting Hardware
Chapter 29 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Overview of Troubleshooting Resources for the M7i Router . . . . . . . . . . . . . . . . . 199
LEDs on the FIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
LEDs on Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Hardware and Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Troubleshooting the M7i Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Troubleshooting the M7i FIC or PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Troubleshooting the M7i Power System When the LEDs on All M7i Power Supplies
Are Blinking or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting the M7i Power System When the LED on One M7i Power Supply
Is Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting the M7i CFEB and CFEB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 30 Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Chapter 31 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Displaying M7i Router Components and Serial Numbers . . . . . . . . . . . . . . . . . . . 213
Routing Engine Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
PIC Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Power Supply Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
CFEB and CFEB-E Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Chapter 32 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 217
Tools and Parts Required to Remove Components from an M7i Router . . . . . . . 218
Packing the M7i Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Guidelines for Packing M7i Components for Shipment . . . . . . . . . . . . . . . . . . . . 220
Copyright © 2019, Juniper Networks, Inc.viii
M7i Multiservice Edge Router Hardware Guide