IMPORTANT: FOR THE EFFICIENT AND SAFE OPERATION OF YOUR owa4x MODULE,
READ THIS INFORMATION BEFORE USE!
Care must be taken when handling the unit. It must not be dropped or exposed to excessive
heat.
Only authorized staff can disassemble the product. In case the product was disassembled by
non-authorized people, the warranty is no longer valid.
Do not push objects into openings of your device. Doing so can cause fire or electric shock
by shorting out interior components.
The owa4x product has not been designed for outdoor conditions. If the product is exposed
to severe conditions beyond the limits specified in Environmental Specifications, the product
could be damaged.
Keep the device away from radiators and heat sources. Do not use the owa4X in wet or
humid environments, for example, near the bath tub, sink, or swimming pool or in a damp
basement.
The device may become hot during normal operation, so switch it off and wait for a while
before handling it.
Do not clean the device when powered. Clean it with a soft cloth. Do not use liquid or
aerosol cleaners, which may contain flammable substances.
The highest internal voltage applied to the owa4x unit can be 48Vdc (36Vdc for owa4x R4)
and complies with low voltage European directive.
The power supply can be made with a battery or continuous voltage supply with reinforced
isolation, and limited in power to a maximum of 8A and 100VA.
Before you connect the device to a power supply, check the voltage and current rating to
ensure that the required ones match the available power source. Exceeding the specified
input range may cause unexpected operation and/or irreversible damage to owa4X.
To remove the device from all power sources turn the device off and disconnect it from the
power supply.
Be sure that nothing rests on the connected cables and that the cables are not located
where they can be tripped over or stepped on.
Applying loads outside of the range specified may result in unintended operation and/or
possible permanent damage to owa4x. If there is any uncertainty, please contact owasys
Customer Support at customer_support@owasys.com.
The owa4x inputs have some protections to avoid damages when erroneously connecting to
a power supply for example or due to voltage peaks:
• Power supply input (V_IN) reverse voltage protection and overvoltage protection
zener diode. External fuse of 2 A should be added.
• Power output (V_OUT) overcurrent protection.
• DIOs overcurrent protection.
Use shielded signal cables to ensure that you maintain the appropriate EMC classification
for the intended environment.
Keep cables as short as possible, not longer than 3 meters.
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Minimize RF energy exposure by limiting the duration of GSM calls and operating the unit
efficiently.
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General