Tripp Lite NGI-M08C4POE8-2 Owner's Manual page 4

Read the wall-mounting instructions carefully before beginning
installation. Failure to use the correct hardware or to follow the correct
Warning
procedures could result in a hazardous situation to people and damage
to the system.
Before performing any of the following procedures, ensure that power
is removed from the DC circuit.
Warning
Read the installation instructions before connecting the system to the
power source.
Warning
To prevent bodily injury when mounting or servicing this unit in a rack,
you must take special precautions to ensure that the system remains
Warning
stable. The following guidelines are provided to ensure your safety:

the only unit in the rack.

rack from the bottom to the top with the heaviest component at the
bottom of the rack.

stabilizers before mounting or servicing the unit in the rack.
This unit might have more than one power supply connection. All
connections must be removed to de-energize the unit.
Warning
Only trained and qualified personnel should be allowed to install,
replace, or service this equipment.
Warning
This unit should be mounted at the bottom of the rack if it is
When mounting this unit in a partially filled rack, load the
If the rack is provided with stabilizing devices, install the
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