Technical Documentation

T640 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	Date
Environment
Verify that environmental factors such as temperature and humidity do not exceed router tolerances.	T640 Environmental Specifications
Power
Measure distance between external power sources and router installation site.	T640 DC Power Distribution T640 DC Power Cable Specifications
Locate sites for connection of system grounding.	T640 Chassis Grounding Cable and Lug Specifications
Calculate the power consumption and requirements.	T640 DC Power System Requirements
Rack
Verify that your rack meets the minimum requirements for the installation of the router.	T640 Rack Requirements
Plan rack location, including required space clearances.	T640 Clearance Requirements for Airflow and Hardware Maintenance
If a rack is used, secure rack to floor and building structure.	T640 Rack Requirements
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.	t640 Calculating Power Budget for Fiber-Optic Cable T640 Calculating Power Margin for Fiber-Optic Cable
Plan the cable routing and management.	Maintaining T640 PICs and PIC Cables