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Table 88: MX2008 Site Preparation Checklist (continued)
Item or Task
Acquire cables and
transceivers:
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.
Plan the cable routing and
management.
SEE ALSO
Installing an MX2008 Router Overview | 229
Unpacking the MX2008 Router | 231
Clearance Requirements for Airflow and Hardware Maintenance for the
MX2008 Router
When planning the installation site, you need to allow sufficient clearance around the rack (see
Figure 67 on page 209
and
For the cooling system to function properly, the airflow around the chassis must be unrestricted.
For service personnel to remove and install hardware components, there must be adequate space at the
front and back of the router. At least 36 in. (91.44 cm) is required both in front of and behind the router.
Airflow must always be from front to back with respect to the rack to ensure that fresh air from the
front of the rack is supplied to the inlets, and exhaust exits the rear of the rack. Care must also be taken
around cables to ensure that no leakage of air in situations where recirculation may result.
For More Information
"Fiber-Optic Cable Signal Loss,
Attenuation, and Dispersion" on
page 214
"Calculating Power Budget and
Power Margin for Fiber-Optic
Cables" on page 210
"Maintaining Cables That
Connect to MX2008 MPCs or
MICs" on page 485
Figure 68 on page
209):
Performed By
Date
208
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