Tripp Lite NGI-S04C2 Owner's Manual page 3

Before working on equipment that is connected to power lines,
remove jewelry (including rings, necklaces, and watches). Metal
objects will heat up when connected to power and ground and can
Warning
cause serious burns or weld the metal object to the terminals.
Do not stack the chassis on any other equipment. If the chassis falls, it
can cause severe bodily injury and equipment damage.
Warning
An exposed wire lead from a DC-input power source can conduct
harmful levels of electricity. Be sure that no exposed portion of the
Warning
DC-input power source wire extends from the terminal block plug.
Ethernet cables must be shielded when used in a central office
environment.
Warning
If a redundant power system (RPS) is not connected to the switch,
install an RPS connector cover on the back of the switch.
Warning
Read the wall-mounting instructions carefully before beginning
installation. Failure to use the correct hardware or to follow the
Warning
correct 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
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