Juniper SRX5400 Hardware Manual page 154

The following sample configuration shows an SRX5400 Services Gateway chassis with various power
supplies and:
Two SRX5K-SPC-4-15-320 (SPC2) Services Processing Card (SPC) (slots 1 and 2)
One SRX5K-MPC (IOC2) with two MICs installed in it (slot 1/0)
One switch control board SRX5K-SCB (SCB1) or SRX5K-SCBE (SCB2) and one Routing Engine
SRX5K-RE-13-20 (RE1) or SRX5KRE-1800X4 (RE2) installed in it (SCB slot 0)
1. Calculate the power requirements (usage) as shown in
Table 33: Sample Power Requirements for an SRX5400 Services Gateway
Chassis Component
Base system
Fan tray
MPC - slot 1/0
SPC - slots 1 and 2
SCB 0
Total power requirement
Total power requirement excluding cooling system
2. Evaluate the power budget. In this step, we check the required power against the maximum output
power of available power supply options.
Table 33 on page
Part Number
SRX5400-CHAS
SRX5400-FAN
IOC2
SRX-MIC-2X40-QSFP
SRX-QSFP-40G-SR4
SCP2
SCB1 with
RE1
Or
SCB2 with
RE2
155.
Power Requirement
40 W
75 W
570 W
585 W * 2 = 1170 W
150 W
90 W
>150 W
90 W
2095 W
2020 W
155