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Power Requirements for AC-Powered Services Gateways

Note: If you plan to operate a maximally configured AC-powered services gateway, we recommend that you provision 33 A @ 100 VAC or 14 A @ 240 VAC for the system, or 11.0 A @ 200 VAC or 14.5 A @ 110 VAC for each power supply.

If you do not plan to provision 33 A @ 100 VAC or 14 A @ 240 VAC for the system, or 11.0 A @ 200 VAC or 14.5 A @ 110 VAC for each power supply, you can use the information in Table 33 and Table 34 to calculate power consumption for various hardware configurations, and thermal output.

Table 33 lists the power requirements for base AC-powered devices operating under typical voltage conditions. It includes the efficiency for the AC power supplies.

Table 33: Base System AC Power Requirements

Component

Power Requirement (Watts)

Low-line nonredundant configuration @ 110 V includes three AC power supplies, midplane, craft interface, and the fan tray (running at normal speed)

455 W (approximate)

Low-line redundant configuration @ 110 V includes four AC power supplies, midplane, craft interface, and the fan tray (running at normal speed)

585 W (approximate)

High-line nonredundant configuration @ 220 V includes two AC power supplies, one Routing Engine, one SCB, midplane, craft interface, and the fan tray (running at normal speed)

410 W (approximate)

High-line redundant configuration @ 220 V includes four AC power supplies, midplane, craft interface, and the fan tray (running at normal speed)

745 W (approximate)

Table 34 lists the power requirements for various hardware components when the services gateway is operating under typical voltage conditions.

Table 34: Component Power Requirements

Component

Power Requirement (Watts)

Fan tray (full speed) – Fan tray (normal speed)

110 W – 80 W = 30 W

SCB

150 W

Routing Engine

90 W

IOC—Generalized typical value

312 W

IOC—Generalized maximum value

365 W

SPC—Generalized typical value

213 W

SPC—Generalized maximum value

351 W

These examples use generalized values per IOC.

Typical power consumption for AC-powered devices:


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