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Manual Juniper T4000 Router

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Manual

Table of Contents

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii

Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviii

Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . xxviii

Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxviii

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

T4000 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

T4000 Hardware Component Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

T4000 Component Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 2 T4000 Router Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Outstanding Issues with the T4000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Errata with the T4000 Router Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Chapter 3 Chassis Components and Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

T4000 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

T4000 Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

T4000 Connector Interface Panel (CIP) Description . . . . . . . . . . . . . . . . . . . . . . . 14

T4000 Connector Interface Panel (CIP) Components . . . . . . . . . . . . . . . . . . 14

Management Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

T4000 Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

T4000 Craft Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Craft Interface Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Craft Interface LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

T4000 Midplane Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

T4000 SONET Clock Generators (SCGs) Description . . . . . . . . . . . . . . . . . . . . . . 20

SCG Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

SCG Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

SCG Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Supported SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

SCG Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

T4000 SONET Clock Generators (SCGs) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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Specifications

Brand	Juniper
Model	T4000
Category	Routers
File type	PDF
File size	14.68 MB

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Frequently Asked Questions about Juniper T4000 Router

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

How can I improve the signal of my router? Verified

First try to adjust the location and positioning of the router to improve the signal. If that fails it's often possible to change the wireless channel of your router. There is a chance that other wireless devices are using the same wireless channel, which can result in decreased signal strength.

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What is the difference between a router and a modem? Verified

A modem facilitates the connection to the internet through your provider. A router distributes this signal to different devices within a network. Most modern routers have a built-in modem.

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