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

Table 1: Site Preparation Checklist

Item or Task	For More Information	Performed By	Date
Verify that environmental factors such as temperature and humidity do not exceed router tolerances.	MX240 Router Environmental Specifications
Select the type of rack or cabinet.	MX240 Router Rack Requirements, MX240 Router Cabinet Size and Clearance Requirements
Plan rack or cabinet location, including required space clearances.	MX240 Router Rack Requirements, MX240 Router Clearance Requirements for Airflow and Hardware Maintenance, MX240 Router Cabinet Size and Clearance Requirements
If a rack is used, secure rack to floor and building structure.	MX240 Router Rack Requirements
Acquire cables and connectors.
Locate sites for connection of system grounding.	MX240 Chassis Grounding Specifications
Measure distance between external power sources and router installation site.
Calculate the optical power budget and optical power margin.	Calculating Power Budget and Power Margin for Fiber-Optic Cables