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    Power Consumption for an AC-Powered MX80 Router

    To allow for future growth so that you can operate the router in any hardware configuration without upgrading the power infrastructure, we recommend that you provision 6 A @ 110 VAC (660 W) or 3 A @ 220 VAC (660 W) for each input.

    Table 1 and Table 2 list the power requirements for base AC-powered routers operating under typical voltage conditions.

    If you do not plan to provision 6 A @ 110 VAC (660 W) or 3 A @ 220 VAC (660 W) for each input, you can use the information in Table 1, Table 2, and Table 3 to calculate the power consumption and thermal output for your hardware configuration.

    Table 1: AC Base Router Power Requirements for the Fixed MX80 Router

    Fixed Chassis Configuration

    Power Requirement (Watts)

    Power Requirement (Watts) with 85% Efficiency

    Chassis running at high activity, with four 10-Gigabit Ethernet XFPs, and fans running at high speed

    320 W

    376 W

    Table 2: AC Base Router Power Requirements for the Modular MX80 Router

    Modular Chassis Configuration

    Power Requirement (Watts)

    Power Requirement (Watts) with 85% Efficiency

    Chassis running at high activity, with four 10-Gigabit Ethernet XFPs, two MICs, and fans running at high speed

    310 W

    365 W

    Table 3 lists the power requirements for various hardware components when the router is operating under typical voltage conditions.

    Table 3: Component Power Requirements

    Component

    Power Requirement (Watts)

    Power Requirement (Watts) with 85% Efficiency

    MIC (generalized value)

    35 W

    41 W

    These examples use generalized values per MIC. For exact MIC power requirements, see the MX Series 3D Universal Edge Routers Line Card Guide.

    Typical power consumption for modular AC-powered routers @ 220 V (includes 85% efficiency):

    • Active AC-powered router with one MIC:
      Base router (high activity, with four 10-Gigabit Ethernet XFPs, and fans running at high speed) + 1 MIC =282 W + 41 W = 323 W
    • Active AC-powered router with two MICs:
      Base router (high activity, with four 10-Gigabit Ethernet XFPs, and fans running at high speed) + 2 MICs282 W + 2(41 W)= 364 W
    • Example of calculating system thermal output:
      Watts AC PEM * 3.41 = BTU/hr 500 W * 3.41 = 1,705 BTU/hr

    Published: 2010-10-22