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Chapter 8
Maintaining
ERX Routers
This chapter lists the tools, items, and steps needed for installing and uninstalling
ERX router component s. Other maintenance procedures must be performed by an
authorized
Juniper Networks technician.
This chapte
r contains the following sections:
RequiredToolsandItemsonpage85
Storing Modules and Components on p age 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 Memory on SRP Modules on page 90
Replacing SFPs on I/O Modules on page 93
Replacing
Fan Trays on page 97
Installing a C able-Manage ment Bracket on ERX-7xx Models on page 100
Required Tools and Items
You will need the following tools and other items to replace ERX router compo ne nts:
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 fiber-optic SC and LC connectors
Required Tools and Items 85