Mx480 Dc Power Supply Description; Dc Power Supply Configurations; Figure 19: Dc Power Supply; Figure 20: High-Capacity Dc Power Supply - Juniper MX480 Hardware Manual

MX480 3D Universal Edge Router Hardware Guide
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MX480 DC Power Supply Description

36
MX480 Chassis Description on page 7
MX480 Power System Description on page 32
MX480 AC Power Supply Description on page 33
Each DC power supply weighs approximately 3.8 lb (1.7 kg) and consists of one DC input
(–48 VDC and return), one 40 A (–48 VDC) circuit breaker, a fan, and LEDs to monitor
the status of the power supply.
power supply has a single DC input (–48 VDC and return) that requires a dedicated circuit
breaker.
For high capacity power supplies, we recommend that you provision 60 A or 75A per
feed, depending on the selected DIP switch setting.

Figure 19: DC Power Supply

Figure 20: High-Capacity DC Power Supply

DC Power Supply Configurations

In the DC power configuration, the MX480 router contains either two or four DC power
supplies (see Figure 19 on page
through (left to right). You can upgrade your DC power system from two to four
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power supplies.
Figure 19 on page 36 shows the power supply. Each DC
36) located at the rear of the chassis in slots
Copyright © 2011, Juniper Networks, Inc.
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