System Overview And Architecture; Mx2020 Chassis Description - Juniper MX2020 Hardware Manual

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Table of Contents

System Overview and Architecture

MX2020 Chassis Description on page 5

MX2020 Backplane Description on page 11

MX2020 Component Redundancy on page 12

MX2020 Field-Replaceable Units on page 16

MX2020 Router Hardware Components and CLI Terminology on page 17

The router chassis is a rigid sheet metal structure that houses all the other router

components, (see

Figure 1 on page

chassis installs in a standard 19-in. four-post rack or enclosed cabinet.

There must be a minimum of 45-U of usable rack space when installing

the MX2020 router into a 45-U rack.

If you are installing the MX2020 router into a network cabinet, make

sure that no hardware, device, rack, or cabinet component obstructs the 45-U

rack space from access during installation.

There are two types of chassis configurations available for the MX2020:

The chassis with standard cable managers and EMI covers measures 78.75 in. (200 cm)

high, 19 in. (48.26 cm) wide, and 36.20 in. (91.95 cm) deep.

The chassis with extended cable managers and extended EMI covers measures

78.75 in. (200 cm) high, 19 in. (48.26 cm) wide, and 38.67 in. (98.2 cm) deep.

Before removing or installing components, attach an ESD strap

to an ESD point, and place the other end of the strap around your bare wrist.

Failure to use an ESD strap could result in damage to the hardware

Figure 2 on page

Figure 3 on page