Juniper-networks J4350 Manual do Utilizador descarregar pdf (Página 91)

Chapter 5

Preparing fo

r Router Installation

Before installing a J-series Services Router, make sure that your site has the proper

operating environment and equipment. Use the checklist at the end of the chapter

to help you p

repare your site.

This chapte

r discusses the following topics:

General Site Guidelines on page 71

Rack Requirements on page 72

Router Envi

ronmental Tolerances o n page 73

Fire Safety Requirements on page 73

Power Guidelines, Requirements, and Specification s on pa ge 74

Network Cab

le Specifications on page 78

ISDN Provisioning on page 79

Site Preparation Checklist on page 79

General Sit

e Guidelines

The follow

ing precautions help you plan an acceptable operating environment for

your Services Router and avoid environmentally caused equipment failures:

For the cooling system to function properly, the airflow around the chassis

must be unrestricted. Allow at least 6 in. (15.2 cm) of clearance between the

front and b

ack of the chassis and adjacent equipment. Ensure that there is

adequate circulation in the installation location.

Follow ESD procedures described in “Preventing Elec trostatic D ischarge

Damage” on page 205, to avoid damaging equipment. Static discharge can

cause com

ponents to fail completely or inte rm ittently over time.

Install b

lank PIM panels in empty slots, to prevent any interruption or

reduction in the flow of air across internal components.

General Site Guidelines 71

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Juniper-networks J4350 Manual do Utilizador Página 91