Samsung RT4401-48A Installation Manual page 13

The CBRS RU product is installed on the Network Telecommunication Facilities.
Maintenance
Maintenance must only be carried out by a suitably trained and competent
technician. All safety instructions must be carefully observed at all times.
Equipment covers should not be removed while live power and transmission is
connected unless in a controlled environment by trained technicians.
Fire
The product is powered from a -48 V DC. To protect against fire, the equipment is
fused.
Environment
The product must be operated in an environment with the specified relative
humidity and ambient temperature ranges.
Keep all liquids away from the equipment as accidental spillage can cause severe
damage.
Anti-Static Precautions
The circuit boards and other modules in the product are sensitive to and easily
damaged by static electricity. If any card or sub-assembly is removed from the unit,
the following anti-static precautions must be observed at all times:
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Grounding
To comply with UL 60950, the equipment must be connected to a safety
grounding point through a permanent link. Grounding points are located on the
product for this purpose. Always connect the ground cable before fitting other
cables. The product must remain grounded continuously unless all connections to
the power supply and data network are all removed.
If equipment is grounded through a cabinet or rack, make sure it is done so
properly.
RT4401-48A Installation Manual v3.0
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Service personnel must wear anti-static wrist straps.
Circuit boards and sub-assemblies must be placed on ground conductive mats
or in conductive bags.
All tools must be discharged to ground before use.
The anti-static wrist strap and cord must be checked at regular intervals for
their suitability for use.
Preface
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