Amsberg A10G User Manual - Page 2

Browse online or download pdf User Manual for Amplifier Amsberg A10G. Amsberg A10G 2 pages. Gsm/cdma single band consumer booster

Print Page

Installing Outdoor Antenna

• Select a proper place to install the outdoor antenna.

Normally the roof of the building is a good choice. As shown from the above graph,

you need test the signals from A to E, and select a place with best signal for

installation.

• Select direction of outdoor antenna.

The outdoor antenna should point to the tower for better signals.

• Installation of outdoor antenna.

In most cases, the panel antenna is the best choice. You can also choose wide

band yagi antenna as an option in case the outdoor signals are weaker.

There are 2 types of installation: wall mount or pole mount, wall mounts are

recommended for your convenience.

Installing Wide band yagi antenna and outdoor panel antenna as references:

Step1: Unscrew antenna from L-mounting bracket on antenna base with wrench.

Step2: Mount vertical plate of the L-bracket on the wall with supplied screws.

Step3: Screw antenna back onto horizontal plate.

Notes:

• Wrap waterproof tape around the connectors between outdoor antenna and

feeder lines to avoid water or other kinds of damage.

Installing Indoor Antenna

According to the requirement of practical application, to choose indoor panel

antenna, omni-directional antenna or whip antenna as server antenna.

Installing indoor panel antenna and whip antenna as references:

Whip Antenna

Indoor port.

Outdoor port.

Installing the signal booster

Step1: Select an indoor location close to a power outlet on a wall.

Step2: Mount the booster with the screws included as shown in the figure.

Step3: Connect the outdoor antenna cables to booster connector marked

"outdoor".Tighten the connection with hand or wrench.

Step4: Connect the indoor antenna cables to booster connector marked "indoor".

Tighten the connection with hand or wrench.

Step5: Connect the AC power cord to the signal booster, and then connect the plug

to the electrical outlet.

Step6: Power on the booster.

Donor ant.

RF cable

Outdoor port.

Power Adaptor.

Booster installation

Connection from cable to booster

Booster's port description

1.Power indicator

2.Isolation indicator

3.Alarm indicator

2 3

4.Uplink gain control

5.Downlink gain control

6.Indoor antenna port

Outdoor

DC 5V

7.Outdoor antenna port

8.Power connector

Booster Commissioning

After powering on the booster, it will automatically adjust for best performance

with its integrated intelligent software system. In most cases, no manual operation

(knob Switch) is needed.

After power on the equipment 30 seconds, it will finish automatic adjustment.

Then check firstly Power LED, ISO LED and Alarm LED colors.

• Power LED indicates if the booster has proper power supply, Power LED shall

remain "Green"

LED

Status

Meaning

Solve methods

Green

Power on

Power supply works fine

Power LED

Off

Power off

Check the power electricity

• ISO LED indicates if the booster has enough isolation between the outdoor and

indoor antennas in order to avoid the loop back or so-called self-oscillation. This is

to ensure the booster has no interference neither to call/data services, nor to

mobile networks. ISO LED shall remain "Green" or "Slow Flashing Green".

Remark: This improvement won't increase the coverage, but is mandatory to avoid

bringing interference to mobile networks according to Telecom regulations.

LED

Status

Meaning

No loop back or no

Green

self-oscillation

Slow Flashing

Slight loop back or

Green

self-oscillation

ISO LED

Quick Flashing

Deep loop back or

Green

self-oscillation

Quick Flashing

Severe loop back

Red

or self-oscillation

Whip Antenna

Measures: One of below actions are recommended to eliminate ISO problems,

please note that actions are same for "Quick Flashing Green" and "Quick Flashing

Indoor port.

Red"

1. Adjust the antennas' directions or locations or enlarge the distance between

them.

2. Add the vertical or horizontal distance between antenna and server antenna.

3. Use the barrier like walls to increase the isolation.

4. Change server antenna(server antenna can be changed to other antenna type

which has better directional antenna pattern, also you can let server antenna and

donor antenna point opposite direction).

5. Reduce the booster's downlink gain by the knob(refer to the panel Fig. 4 and

5).Keep the uplink attenuation value and downlink attenuation value same then

restart the booster.

Remark: Uplink gain must be equal to or better to be 5dB less than downlink gain, it

can't be more in order to avoid interference with mobile network.

Target: The work is accomplished until ISO LED is "Green" or "Slow Flashing Green".

• Alarm LED indicates if the booster has a strong output power level so that the

target area can be fully covered with good signals. Alarm LED shall remain "Green"

or "Slow Flashing Green".

LED

Status

Meaning

Output power is not

Green

full

Slow Flashing

Full output power

Alarm LED

Green

Quick Flashing

Output power is over

Green

rated

Quick Flashing

Output power is

Red

severe over rated

Measures

: Below actions are recommended to eliminate "Quick Flashing Green

and Quick Flashing Red".

1.Adjust the antennas' directions or locations to lower down input power.

2.Slowly add the attenuation by the knob.

Solve methods

3.Reduce the booster's gain by external attenuator or replace with lower gain

NO action is needed

antenna if the above methods don't work.

Target: The work is accomplished until Alarm LED is "Green" or "Slow Flashing

NO action is needed

Green".Please note that "Green" LED may lead to lower coverage, which shall be

Not working properly, actions must

paid attention to.

be taken

After all LEDs work fine, check whether the coverage is good or not. If it is good,

Not working properly, actions must

the booster system is completed; and below actions shall be taken if the coverage

be taken

is not good.

1. If the signals in most areas have not been improved, please check below again:

• The weak input signal leads to the low output power. Change the direction of

donor antenna or its installation position or replace donor antenna with higher gain

antenna to increase input signal power level.

• Check whether it is necessary to add more server antennas since barriers block

the signal penetration, also check whether the repeater's power is enough, please

install more server antennas or replace with a repeater of higher power level.

2. If the signals in small part of the areas have not been improved, please check

below:

• Check whether the service antenna is installed correctly or not, you may try to

move the antenna location to improve coverage.

• Check if it is necessary to adjust the direction of the sever antenna.

• Check whether it is necessary to add one or more antenna to enhance the

coverage of special areas.

Remark:

Reduce the attenuation values*---at the same time must ensure the isolation.

Increase the output power* ---recommended ways: adjust the donor antenna

direction / location, or replace with higher gain antenna to increase input signal

strength.

Manual gain control (MGC)

Solve methods

Check coverage, if it is good, leave

it; if coverage is not good, please

increase input power level

Working properly

Not working properly, actions must

be taken

Not working properly, actions must

be taken

• 0~270 degree of MGC knob means 0~31dB

• Spin clockwise means that add the attenuation,

spin anticlockwise means that lessen the

attenuation.

Note: In addition to solve the problems of

isolation and alarm, adjust MGC also can help to

balance uplink and downlink to get better

coverage effect according to the practical

application.