Safety Warnings - Juniper MX480 Quick Manual

MX480 3D Universal Edge Router Quick Start

Safety Warnings

26
WARNING: See installation instructions before connecting the router. This
is a summary of safety warnings. For a complete list of warnings for this
router, including translations, see the MX480 3D Universal Edge Router
Hardware Guide at
WARNING: The intrabuilding port(s) of the router is suitable for connection
to intrabuilding or unexposed wiring or cabling only. The intrabuilding port(s)
of the router MUST NOT be metallically connected to interfaces that connect
to the OSP or its wiring. These interfaces are designed for use as intrabuilding
interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE, Issue
4) and require isolation from the exposed OSP cabling. The addition of primary
protectors is not sufficient protection to connect these interfaces metallically
to OSP wiring.
CAUTION: Before removing or installing components of a router, attach an
ESD strap to an ESD point, and place the other end of the strap around your
bare wrist. Failure to use an ESD strap could result in damage to the router.
CAUTION: Use an external surge protective device (SPD) at the AC input of
the router.
Only trained and qualified personnel should install or replace the router.
Perform only the procedures described in this quick start or the MX480 3D Universal
Edge Router Hardware Guide. Other services should be performed by authorized service
personnel only.
Read the installation instructions before you connect the router to a power source.
Before installing the router, read the guidelines for site preparation in the MX480 3D
Universal Edge Router Hardware Guide to make sure that the site meets power,
environmental, and clearance requirements for the router.
For the cooling system to function properly, the airflow around the chassis must be
unrestricted. Allow at least 6 in. (15.2 cm) of clearance between side-cooled routers.
Allow 2.8 in. (7 cm) between the side of the chassis and any non-heat-producing
surface such as a wall.
When installing the router, do not use a ramp inclined more than 10 degrees.
Manually installing the router requires two people to lift the chassis. Before lifting the
chassis, remove components and attach the installation handle as described in the
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