VAF GV900W Скачать руководство пользователя страница 12 | Manualshive

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VAF GV900W Скачать руководство пользователя страница 12

VAF Adjustable Band Selective Repeater

VAF Corp.

Data Communication

Tell:44655121 Fax: 44658496

3.1.2

Bottom panel

3.1.3

Front panel

POWER

GSM900

RF REPEATERS

ON

OFF

Power

LCD

Alarm

Reset

Enter

Shift

RS232

Control Key

:Up : Down : Right

batter

y

BS

AC220V

GND

MS

MODEM Antenna

Donor

Antenna

Coverage

Antenna

Power

Supply

Ground

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Содержание GV900W

Страница 1: ...VAF Corp Data Communication Tell 44655121 Fax 44658496 GV900W Adjustable Band Selective Repeater User Manual Version 1 2 April 2007...

Страница 2: ...L SPECIFICATION 5 2 1 1 Major Blocks diagram 2 1 2 Theory of Operation 2 2 MAJOR TECHNICAL PERFORMANCES 6 3 INSTALLATION 8 3 1 SYSTEM DESCRIPTION 8 3 1 1 Structure and Internal module 8 3 1 2 Bottom p...

Страница 3: ...ge enhance network capacity reduce network cost and realize network optimization Wireless transmission repeater of GSM mobile communications is meant to amplify communication signal extend network cov...

Страница 4: ...munication technology and excellent performances provides operators with multiple solutions that can save the investment in equipment and running maintenance cost without lowering the network quality...

Страница 5: ...with low noise for the system proper linearity and high power 3 Ensure normal working of the repeater under tough environment with automatic level control ALC function 4 Modularized design facilitates...

Страница 6: ...ones at will When a monitoring center has been established technicians can control repeaters by OMT software in the monitoring center or optimize parameters and upgrade software according to the actua...

Страница 7: ...Theory of Operation The downlink signal received by the donor antenna of the base station shall be sent to a band selective filter via duplexer to be filtered and to be amplified by the downlink band...

Страница 8: ...3 dB No bigger 3 dB Frequency Error 5X10 8 5X10 8 Gain Adjustment Range No less 30dB No less 30dB 10 dB 1 0dB 20 dB 1 0dB Gain Adjustmen t Error 30 dB 1 5dB Gain Adjustment Step 1 dB Step 1 dB Step N...

Страница 9: ...magnetic compatibility In accordance with relevant regulations in the standard of GB6833 87 Environmental Conditions Temperature 25 c 55 c Humidity 95 Air pressure 70 106kPa Dimension W x D x H 360 x...

Страница 10: ...VAF Adjustable Band Selective Repeater VAF Corp Data Communication Tell 44655121 Fax 44658496 3 Installation 3 1 System description Fix part Heat sink...

Страница 11: ...a Communication Tell 44655121 Fax 44658496 3 1 1 Structure and Internal module 3 1 1 1 Power Amplifier 3 1 1 2 LNA Module 3 1 1 3 Filter 3 1 1 4 Duplexer 3 1 1 5 Channel Band Frequency Selective 3 1 1...

Страница 12: ...cation Tell 44655121 Fax 44658496 3 1 2 Bottom panel 3 1 3 Front panel POWER GSM900 RF REPEATERS ON OFF Power LCD Alarm Reset Enter Shift RS232 Control Key Up Down Right battery BS AC220V GND MS MODEM...

Страница 13: ...m DNP_37dBm Downlink Power now is 37 dBm range 0dBm 43dBm If there alarm will display at below such as DV WRONG etc Press Down keyboard will show below Item 1 1 Show status AC_220V current AC power vo...

Страница 14: ...actory password is 0000 Item 2 1 Parameter setting operator can edit through right and shift button when finished edit press return to confirm VER_2 setting Version FAC_0000 setting manufactory ID FIX...

Страница 15: ...ough right and shift button when finished edit press return to confirm UPSW_ON uplink stationary wave alarm enable DNSW_ON downlink stationary wave alarm enable POWER_ON power modular failure alarm en...

Страница 16: ...EY_0000 setting pass word Default factory pass word 0000 3 3 Preparations before Installation of the Equipment Following jobs should be done before installation of equipment Site reconnaissance and te...

Страница 17: ...be powered up first and test the level to see if it is normal before the sealing of joints of feed line of antenna Clean the joint s inner part before installation of it check and see if the length of...

Страница 18: ...k if the signal received by donor antenna and the signal amplitude agree with design plan Adjust the direction and angle of the antenna to achieve a maximum value of amplitude of the signal from base...

Страница 19: ...equipment without special need once the equipment is put to use Therefore the equipment must be used in ventilated and clean environment avoiding dust from entering the equipment consequently causing...

Страница 20: ...e product Check all the attached accessories by packing list upon reception of the equipment of our company Contact the supplier in time for any shortage Our company owns the property right of our pro...

Страница 21: ...4dB 1 1 1 0 0 25dB 0 1 1 0 0 26dB 1 0 1 0 0 27dB 0 0 1 0 0 28dB 1 1 0 0 0 29dB 0 1 0 0 0 30dB 1 0 0 0 0 31dB 0 0 0 0 0 2 Power Watt to dBm exchange table DBm watt dBm watt dBm watt dBm watt 0 0 001 16...

Страница 22: ...ope 1 to 1000 Step between two channel is 25K Hz Uplink channel define Channel N 890 000HZ N 0 025 M Hz Downlink channel define Channel M 935 000HZ M 0 025 M Hz example Channel 1 uplink is 890 1 0 025...

Страница 23: ......

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