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phn-4750_003v006
Chapter 1
Before You Start
Safety Precautions & Declared Material
General Equipment Precautions
Caution
To avoid malfunctioning or personnel injuries, equipment or accessories/kits/plug-in unit
installation, requires qualified and trained personnel. Changes or modifications not
expressly approved by Cambium Networks could void the user's authority to operate the
equipment.
Caution
Where special cables, shields, adapters and grounding kits are supplied or described in this
manual, these items must be used, to comply with the FCC regulations.
Caution
Use of controls, adjustments, or performing procedures other than those specified herein,
may result in hazardous radiation exposure.
Caution
When working with an RFU-S, note the following risk of electric shock and energy hazard:
Disconnecting one power supply disconnects only one power supply module. To isolate
the unit completely, disconnect all power supplies.
Caution
Machine noise information order - 3. GPSGV, the highest sound pressure level amounts to
70 dB (A) or less, in accordance with ISO EN 7779.
Anti Static
Static electricity may cause body harm, as well as harm to electronic components inside
the device. Anyone responsible for the installation or maintenance of the RFU-D must
use an ESD Wrist Strap. ESD protection measures must be observed when touching the
unit. To prevent damage, before touching components inside the device, all electrostatic
must be discharged from both personnel and tools.
