Installation Guide

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2.2. Safety Recommendations
The safety guidelines are as follows:
λ Keep the board area clear and dust-free before, during, and after installation.
λ Keep tools away from walk areas where you and others could fall over them.
λ Do not wear loose clothing or jewelry, such as earrings, bracelets, or chains,
that could get caught in the board.
λ Wear safety glasses if you are working under any conditions that might be
hazardous to your eyes.
λ Do not perform any action that creates a potential hazard to people or makes
the equipment unsafe.
λ Never attempt to lift an object that is too heavy for one person to handle.
2.3. Maintaining Safety with Electricity
Warning: Before working on a board or working near power supplies,
unplug the power cord on AC units; on DC units, disconnect the power at
the circuit breaker.
Follow these guidelines when working on equipment powered by electricity:
λ Do not work alone if potentially hazardous conditions exist anywhere in your
work space.
λ Never assume that power is disconnected from a circuit; always check the
circuit.
extension cables, frayed power cords, and missing safety grounds.
λ If an electrical accident occurs, proceed as follows:
– Use caution; do not become a victim yourself.
– Disconnect power from the system.
– If possible, send another person to get medical aid. Otherwise, assess the
condition of the victim and then call for help.
– Determine if the person needs rescue breathing or external cardiac
compressions; then take appropriate action.
2. Hardware Installation
The following sections in this chapter describe how to install HL-11N Module
2.1. Installation Overview
HL-11N wireless module is design for Wireless Gateway only.
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