Juniper Networks 8 Manuel d'utilisateur télécharger pdf (Page 106)

ERX 8.0.x Hardware Guide

CAUTION: Ifyoudonotusethehalt command before removing or powering down

an SRP module, t

he system’s NVS card can become corrupted.

To u pgrade the NVS card on a system that contains one SRP module:

1. Enter the halt command.

See JUNOSe System Basics Configuration Guide, Chapter 6, Managing Modules for

information about the halt command.

WARNING: Do not

insert any metal objec t, su ch as a screwdriver, or place your

hand into an open slot or the backplane when the router is on. Remove jewelry

(including r ings, necklace s, and watches) before working on e quipment that is

connected to p

ower lines. These actions prevent electric shock and serious b urn s.

CAUTION: When handling modules, use an antistatic wrist strap connected to the

router’s ESD grounding jack. This action helps to protect the module from damage

by electrosta

tic discharge.

2. Connect the antista tic wrist strap to the ESD grounding jack on the router.

3. Power down the system.

4. Remove the SRP

module.

5. Replace the NVS card on the SRP module. (See “Replacing an NVS Card” on

page 89.)

6. Power up the system. (See “Powering Up ERX Routers” on page 73.)

Upgrading a System That Contains Two SRP Modules

In a system t ha t contains two SRP mo dules, you ca n upgrade the NVS cards

on the SRP mod

ules without p owering down the system.

WARNING: Do not insert any m etal object, such as a screwdriver, or place your

hand into an o

pen slot or the backplane when the router is on . Remove jewelry

(including r ings, necklace s, and watches) before working on e quipment that is

connected to power lines. T hese actions prevent electric shock and serious burns.

88 Upgrading NVS Cards on SRP Modules

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Juniper Networks 8 Manuel d'utilisateur Page 106