Clearance Requirements For Airflow And Hardware Maintenance For The Mx2020; Router - Juniper MX2020 Hardware Manual

Table 40: MX2020 Site Preparation Checklist (continued)
Item or Task
Plan rack or cabinet location,
including required space
clearances.
NOTE: If you are installing the
MX2020 router into a network
cabinet, make sure that no
hardware, device, rack, or cabinet
component obstructs the 45U
rack space from access during
installation.
If a rack is used, secure rack to
floor and building structure.
Cables and Transceivers
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.
Related
Documentation
Clearance Requirements for Airflow and Hardware Maintenance for the MX2020 Router
Copyright © 2015, Juniper Networks, Inc.
For More Information
"MX2020 Cabinet Size and
Clearance Requirements" on
page 106,
"MX2020 Rack Requirements" on
page 110,
"Clearance Requirements for
Airflow and Hardware Maintenance
for the MX2020 Router" on page 121
"MX2020 Rack Requirements" on
page 110
"Understanding Fiber-Optic Cable
Signal Loss, Attenuation, and
Dispersion" on page 127
"Calculating Power Budget and
Power Margin for Fiber-Optic
Cables" on page 128
"Maintaining Cables That Connect
to MX2020 MPCs or MICs" on
page 338
Installing an MX2020 Router Overview on page 189
Unpacking the MX2020 Router on page 195
When planning the installation site, you need to allow sufficient clearance around the
rack (see Figure 59 on page 122
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
Chapter 10: Planning and Preparing the Site
Performed By
and Figure 60 on page 122):
Date
121