Dc Power Supply Configurations; Figure 14: Dc Power Supply; Figure 15: High-Capacity Dc Power Supply - Juniper MX240 Hardware Manual

Copyright © 2019, Juniper Networks, Inc.
Figure 15 on page 49 shows the high-capacity DC power supply.

Figure 14: DC Power Supply

Figure 15: High-Capacity DC Power Supply

DC Power Supply Configurations

In the DC power configuration, the router contains either one or two DC power supplies
located at the rear of the chassis in slots
your DC power system from one to two power supplies. A single DC power supply provides
power to all components. A second DC power supply provides redundancy. If a DC power
supply in a redundant configuration fails, the redundant power supply takes over without
interruption.
High-capacity DC power supplies have a DIP switch that selects the power output.
NOTE: Move the input switch to 0 for 60 A input and position 1 for 70 A input.
NOTE: Do not set the input mode switch if the power supply is installed in
the chassis. If the power supply is already installed, you must remove it before
setting the input mode switch.
and (left to right). You can upgrade
PEM0 PEM2
Chapter 1: Overview
49