Table of Contents |
| |
| About This Guide | xvii |
| Objectives | xvii |
| Audience | xvii |
| Documentation Conventions | xviii |
| List of Technical Publications | xix |
| Obtaining Documentation | xxvi |
| Documentation Feedback | xxvi |
| Requesting Technical Support | xxvii |
Part 1 | MX240 Router Overview |
|
Chapter 1 | Router Overview | 3 |
| Router Description | 3 |
| Component Redundancy | 4 |
Chapter 2 | Hardware Components | 5 |
| Router Chassis | 5 |
| Midplane | 8 |
| Dense Port Concentrators (DPCs) | 8 |
| DPC Components | 10 |
| Host Subsystem | 11 |
| Switch Control Board (SCB) | 11 |
| SCB Slots | 12 |
| SCB Redundancy | 12 |
| SCB Components | 13 |
| SCB LEDs | 13 |
| Routing Engine | 14 |
| Routing Engine Components | 14 |
| Routing Engine Interface Ports | 16 |
| Routing Engine Boot Sequence | 16 |
| Cable Management System | 17 |
| Craft Interface | 17 |
| Alarm LEDs and Alarm Cutoff/Lamp Test Button | 18 |
| Host Subsystem LEDs | 19 |
| Power Supply LEDs | 19 |
| DPC LEDs | 20 |
Table of Contents ■ v
