Power Requirements for AC-Powered SRX3600 Services Gateways | 79
Power Requirements for AC-Powered SRX3600 Services Gateways
NOTE: If you plan to operate a maximally configured AC-powered services gateway, we recommend
that you provision 24 A @ 100 V for the system, or 12.0 A @ 100-127 V / 7 A @ 200-240 V for
each power supply.
If you do not plan to provision 24 A @ 100 V for the system, or 12.0 A @ 100-127 V / 7 A @ 200-240 V
for each power supply, you can use the information in Table 20 on page 79 and Table 21 on page 80 to
calculate power consumption for various hardware configurations, and thermal output.
Table 20 on page 79 lists the power requirements for base AC-powered services gateways operating under
typical voltage conditions. It includes the efficiency for the AC power supplies.
Table 20: Base System AC Power Requirements
Power Requirement (Watts)Component
353 W (approximate)Nonredundant configuration includes two AC power supplies, midplane,
SFB, Routing Engine, and the fan tray
430 W (approximate)Redundant configuration includes four AC power supplies, midplane,
SFB, Routing Engine, and the fan tray
NOTE: The power requirement values shown in Table 20 on page 79 are for a lightly loaded system.
For a heavily loaded system, the contribution of the base system to the overall system power
requirement is lower, because the power supply efficiency improves as the load increases. For a
heavily loaded system, both the redundant and nonredundant base systems contribute approximately
353 W to the overall system power requirement.
Table 21 on page 80 lists the power requirements for various hardware components when the services
gateway is operating under typical voltage conditions.
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