Router User Manual

Chapter 8
Maintaining
ERX Router s
This chapter lists th e tools, items, and steps needed for in stalling and uninstalling
ERX router component s. Oth er maintenan ce procedures must be performed by an
authorized
Juniper Networks technician.
This chapte
r contains the following sections:
RequiredToolsandItemsonpage85
Storing Modules and Componen ts on page 86
Cleaning th
eSystemonpage86
Upgrading from Release 5.1.1 or Lower-Numbered Releases to Release 6.x.x or
Higher-Numbered Releases on page 87
Upgrading NVS Cards on SRP Modules on page 87
Replacing a
n NVS Card on page 89
Upgrading M emory on SRP Modules on page 9 0
Replacing SFPs on I/O Modules on page 93
Replacing
Fan Trays on page 97
Installing a Cable-Management Bracket on ERX-7xx Models on page 100
Required Tools and Items
You will need the following tools and other item s to replace ERX router components:
Flathead and Phillips screwdrivers
Insulated adjustable wrench
Antistatic wrist strap
Antistatic bags (or other protective packaging to hold components)
Plastic boots or other protective cover for fib er-o p tic SC and LC connectors
Required Tools and Items 85