User Manual of W20-GSM Indoor single band selective repeaters
Confidential Page
13
Uplink gain setting
Uplink gain is set based on downlink gain..
Standards: uplink attenuation value=downlink attenuation value
Chapter 6.
Engineering Maintenance
6.1
Operation and maintenance
z
Equipment Disassembly
Close the outside air switch
Plug off the power supply
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Cleaning
Close the outside air switch
Plug off the power supply.
Do not use liquid materials to clean the equipment to avoid short circuit;
Please use dry dishclout
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Grounding
Using grounded power plug (three-pin plug)
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Power supply
Please make sure the voltage and frequency comply with the repeater requirement.
Component replacement
Please do not maintain or replace components by yourself, otherwise may get an
electric shock. Only the authorized professional can maintain and replace the
components.
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Waterproof and moist proof
Please do not turn on or off the booster in moist environment when its door is
opened.
6.2
Emergency dealing
Switch off is recommended during following situations:
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The power supply is not normal
