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    M40e Site Preparation Checklist

    The checklist in Table 1 summarizes the tasks you need to perform when preparing a site for router installation.

    Table 1: Site Preparation Checklist

    Item or Task

    For More Information

    Performed By



    Verify that environmental factors such as temperature and humidity do not exceed router tolerances.

    M40e Router Environmental Specifications


    Measure distance between external power sources and router installation site.

    M40e AC Power, Connection, and Power Cord Specifications

    M40e DC Power, Connection, and Cable Specifications


    Locate sites for connection of system grounding.

    M40e Chassis Grounding Specifications


    Calculate the power consumption and requirements.

    M40e Router Power Requirements

    Hardware Configuration

    Choose the configuration.


    Verify that your rack meets the minimum requirements for the installation of the router.

    M40e Rack Size and Strength


    Plan rack location, including required space clearances.

    M40e Clearance Requirements for Airflow and Hardware Maintenance


    If a rack is used, secure rack to floor and building structure.

    M40e Connection to Building Structure


    Acquire cables and connectors:

    • Determine the number of cables needed based on your planned configuration.
    • Review the maximum distance allowed for each cable. Choose the length of cable based on the distance between the hardware components being connected.

    Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T Series Routers

    Calculating Power Margin for Fiber-Optic Cable for M Series, MX Series, and T Series Routers


    Plan the cable routing and management.

    Maintaining M40e PICs and PIC Cables


    Published: 2010-10-28