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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	Date
Environment
Verify that environmental factors such as temperature and humidity do not exceed router tolerances.	M40e Router Environmental Specifications
Power
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.
Rack
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
Cables
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