Amplitec C20L-LTE28B Gebruikershandleiding - Pagina 11

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C20L Signal Booster

Starting

1）If it is possible, please connect the grounding screws of the booster and grounding of the

electrified wire with cable.

2）Make sure the cables between booster and antennas are firmly connected.

3） Connect the DC plug of the 5V/2A power adapter, provided by supplier with the DC+5V port of

the booster. And AC plug connects to the nearby 220V power outlet.

4） Check the signal booster can work normally or not, by checking the operation parameters on the

screen, according to the "Operation and Display Description".

5）Make a test with a phone to test the signal intensity and dialing quality in the coverage area.

Maintenance and Repairing

Common Problems and Solutions

Problems

Screen and indicator lights

are off

I.S.O on the screen flashes

after power-on

Everything is okay after

power-on, but no

improvement in signal

Working effectiveness get

worse after working for a

while

Reasonable Causes

Disconnected to power source

Isolation between outside

antenna and inside antenna is not

enough

The network of sim card is not

comply with that of signal

booster

The inside antenna is not

successfully connected

The inside antenna is broken

The outside antenna is broken

The outside antenna get loose

and not towards BTS

Feeder is broken

Solutions

Check the power adapter and

power outlet and reconnect

Change the distance and direction

of outside and inside antenna,

until I.S.O is not flashing

Replace sim card or booster

Fasten the connection of inside

cable and connectors

Replace the inside antenna

Replace the outside antenna

Change the direction of outside

antenna and fasten it

Replace the feeder