Amplitec C20M-5B Series Руководство пользователя - Страница 11

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C20M-5B Five Signal Repeater

coverage area. Installation and connection of the antennas should follow the requirements as

following:

1）The outside antenna should be installed at the place with the strongest signal and

towards BTS.

2）The length of the cable, which connects the outside antenna and the repeater, should

be less than 20 meters.

3）Wrap the waterproof tape around the connection part of the outside antenna and

outdoor cable, in case of oxidization or corrosion.

4）The indoor antenna should be placed 5m above lower than the outside antenna, with

its direction not towards the outside antenna.

5）It will be better if there can be a wall between outside and inside antennas.

6）Outside antenna should connect to BTS port of the repeater while inside antenna to

the MS port.

Starting

1）If possible, please connect the grounding screws of the repeater and grounding of the

electrified wire with cable.

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

3）Connect the DC plug of the 12V/3A power adapter to the DC+12V port of the repeater.

Then put AC plug connecting to the nearby 220V power outlet.

4）Check if repeater can work normally or not, by checking the operation parameters on

the screen, according to the guides of the previous "Operation and Display Description" part.

5） Test signal intensity and dialing quality with mobile phone in the repeater coverage area.

Maintenance and Repairing

Frequently Ask Questions and Solutions

Problems

Screen and indicator

lights are off

"Run" Indicator Red

Reasonable Causes

Disconnected to power source

Isolation between outside antenna

and inside antenna is insufficient

Check the power adapter and

power outlet, and reconnect it

Change the distance & direction

of outside & inside antenna, until

I.S.O is not flashing

Solutions