Installing An Mx2020 Three-Phase Delta Ac Power Distribution Module; Figure 165: Installing An Sfb - Juniper MX2020 Hardware Manual

3d universal edge router

Hide thumbs Also See for MX2020:

Table of Contents

Documentation

Installing an MX2020 Three-Phase Delta AC Power Distribution Module

Maintaining the MX2020 SFB on page 397

Removing an MX2020 SFB on page 495

Before you install a three-phase delta AC PDM, be aware of the following:

Before performing AC power procedures, disconnect all power

sources. To ensure that all power is off, locate the circuit breaker on the panel

board that services the AC circuit, switch the circuit breaker to the

position, and tape the switch handle of the circuit breaker in the

To maintain proper cooling and prevent thermal shutdown of the

operating power supply unit, each PDM slot must contain either a PDM or a

blank panel. If you remove a PDM, you must install a replacement PDM or a

blank panel shortly after the removal.

Chapter 22: Installing and Replacing Components