Table 88: Sample Power Requirements For An Mx960 Router; Table 89: Calculating Power Budget - Juniper MX960 Hardware Manual

Table 88: Sample Power Requirements for an MX960 Router

Chassis Component
Base system
High-capacity cooling system
MPC - slots 0 through 5
MPC - slots 7 through 11
SCB 0
SCB 1
SCB 2 - slot 6
MX960 normal-capacity AC (not zoned)
Zone 0 total output power
Zone 1 total output power

Table 89: Calculating Power Budget

Maximum Output
Power of Power
Power Supply Supply
MX960 AC 1700 W
normal-capacity
Copyright © 2017, Juniper Networks, Inc.
Calculate the power requirements (usage) using the values in
1.
for an MX960 Router" on page 152
Part Number
MX960BASE-AC-HIGH
FFANTRAY-MX960-HC
MPC-3D-16XGE-SFPP
MPC-3D-16XGE-SFPP
SCBE2-MX with
RE-S-1800X2-8G
SCBE2-MX with
RE-S-1800X2-8G
SCBE2-MX
1
Divided equally between zone 0 and zone 1.
Evaluate the power budget, including the budget for each zone if applicable. In this
2.
step, we check the required power against the maximum output power of available
power supply options.
Table 79 on page 163 lists the power supplies, their maximum output power, and unused
power (or a power deficit).
Maximum Output
Power for System
5100 W
Chapter 13: DC Power Requirements, Specifications, and Guidelines
as shown in Table 78 on page
Power Requirement
1
50 W
320 W * 2 = 640 W
440 W * 6 = 2640 W
440 W * 5 = 2200 W
185 W
90 W
185 W
90 W
185 W
6265 W
3005 W
3260 W
Zone 0 Unused
Nonzoned
Power
Unused Power
Power exceeded –
(non-zoned;
5100 W - 6160 =
power exceeded)
"Power Requirements
163.
Zone
—
Zone 0 (lower fan tray)
and Zone 1 (upper fan
tray)
Zone 1
Zone 0
Zone 1
Zone 0
Zone 0
Zone 1 Unused
1 2
Power
–
181