G-Wave BDA-2W-80-A Скачать руководство пользователя страница 10 | Manualshive

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Figure 3

Downlink Adjustment Access Panel and Label

Page 10

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30

DOWNLINK

(OFF)

ON

ALC

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Содержание BDA-2W-80-A

Страница 1: ...INSTALLATION AND OPERATING MANUAL BDA PS7 PS8 2 2W 80 A DUAL BAND BI DIRECTIONAL AMPLIFIER ...

Страница 2: ...IONS 4 MECHANICAL SPECIFICATIONS 5 ENVIRONMENTAL CONDITIONS 5 BDA CONNECTIONS 5 MECHANICAL OUTLINE DRAWING Figure 1 1a 6 BDA INSTALLATION 7 BDA OPERATION 8 UPLINK MECHANICAL OUTLINE ADJUSTMENT Figure 2 9 DOWNLINK MECHANICAL OUTLINE ADJUSTMENT Figure 3 10 RF EXPOSURE WARNING 11 DIAGNOSTICS GUIDE 11 Page 2 ...

Страница 3: ... from the base station and amplifies and transmits them to the subscriber The BDA Uplink path receives RF signals from the subscriber and amplifies and transmits them to the base station The Uplink and Downlink occupy three distinct frequency bands The frequency bands are as follows 794 824 MHz for the Uplink and 764 776 MHz 851 869 MHz for the Downlink Two triplexers isolate the paths and route e...

Страница 4: ...k 26 dBm Isolation between Up Down Link 100 dB min Input Output Impedance 50 Ohms VSWR Input Output 1 5 1 max Pass band Gain min attenuation 80 dB minimum Power Supply 110VAC 1 42Amp 240VAC 0 71 Amp 50 to 60 Hz The Manufacturer s rated output power of this equipment is for single carrier operation For situations when multiple carrier signals are present the rating would have to be reduced by 3 5 d...

Страница 5: ... connector provides failure alarm output contacts see diagram next page as well as an optional 12 VDC 250mA auxiliary output The RF connections are made via two type N female connectors The RF connector labeled BASE must be connected to the antenna pointing towards the base station The RF connection labeled MOBILE must be connected to the antenna facing the area to be covered by the BDA The RF con...

Страница 6: ...line Figure 1a Relay Shown in Non Alarm Condition The alarm monitors current of both uplink and downlink amplifiers An alarm condition will occur if either uplink or downlink amplifiers are over or under its current tolerance Page 6 Conditions for Optional Alarm ...

Страница 7: ...a to the BDA connector labeled BASE and the cable from the service antennas to the BDA connector labeled MOBILE 4 Open the adjustment access panels on the sides of the BDA and verify that both of the attenuator s are positioned to its maximum setting 30 dB Close the panels 5 Connect the AC power cord to the BDA and then to the power source Verify that the Power ON lamp is illuminated Installation ...

Страница 8: ... to the factory preset level of 26 dBm ALC function is located on each amplifier and accessible via the access door on the BDA enclosure A red indicator lamp located on each amplifier illuminates when output power meets or exceeds the ALC set point The indicator is functional regardless of the position of the ALC momentary switch To establish proper operating gain on the Uplink and Downlink sides ...

Страница 9: ...Figure 2 Uplink Adjustment Access Panel and Label Page 9 OFF ON ALC 0 30 UPLI NK ...

Страница 10: ...Figure 3 Downlink Adjustment Access Panel and Label Page 10 0 30 DOW NLINK OFF ON ALC ...

Страница 11: ...equires no periodic maintenance There are no user serviceable components inside the BDA This section covers possible problems that may be related to the installation or operating environment a Gain Reduction Possible causes Bad RF cables and RF connections to antennas damaged antennas b Excessive Intermodulation or Spurious Possible causes Amplifier oscillation caused by insufficient isolation The...

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