Bravo BMB0900 User Manual Download Page 34

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Maintenances and Managements

Tx/Rx

Channel 1

Tx/Rx

Channel 2

Outdoor Booster

BTS0

BTS1

ANT0

ANT1

Booster input power

Pin=43dBm

Booster output power

Pout=51dBm

PA Gain Setting

Gdown=8dB

TMA Gain Setting

Gup=8~12dB

P1=43dBm

P2=43dBm

BTS

Combiner

Tx/Rx

Channel 3

P2=43dBm

Loss=3dB

4 channels combination: PA gain setting G

down

=8dB

If 2 channels connect to booster as the following figure, the output power of BTS won’t be
changed when the BTS is upgraded to 3 or 4 channels. And there’s no need to reset the PA gain
of the booster.

Tx/Rx

Channel 1

Tx/Rx

Channel 2

Outdoor Booster

BTS0

BTS1

ANT0

ANT1

Booster input power

Pin=43dBm

Booster output power

Pout=51dBm

PA Gain setting

Gdown=8dB

TMA Gain Setting

Gup=8~12dB

P1=43dBm

P2=43dBm

BTS

Loss=3dB

Usually, the combination loss of 2 channels is 3dB, and there are there’re differences between
various types of BTS. For example:

2. 1~6 channels combination of Ericsson or Nokia BTS

Summary of Contents for BMB0900

Page 1: ...BRAVO TECH INC Add 6185 Phyllis Drive Unit D Cypress CA 90630 Phone 1 714 230 8333 Website www bravotechinc com Revision UM BMB0900 150 SG05 REV A...

Page 2: ...to the specification of this User Manual Improper installation and operation of this equipment beyond the installation procedures beyond the designed operating specifications and not in compliance wi...

Page 3: ...INSTALLATION 8 2 2 1 Installation Requirements 8 2 2 2 Installation 9 2 2 2 1 Installation on the Wall 9 2 2 2 2 Installation on the Tower 10 2 2 2 3 Installation on the Floor 11 2 3 CABLE INSTALLATI...

Page 4: ...r 24 4 1 2 2 Power Amplifier Indicator 25 4 2 SYSTEM MANAGEMENT 26 4 2 1 Alarm Range Setting 26 4 2 2 Power Amplifier and Low Noise Amplifier Gain Setting and Calculation 26 4 2 2 1 Gain Setting 26 4...

Page 5: ...CTION 19 FIGURE 18 COM PORT SETTING WINDOW 20 FIGURE 19 MAIN BOARD RUNNING STATUS WINDOW 21 FIGURE 20 POWER AMPLIFIER RUNNING STATUS WINDOW 23 FIGURE 21 MONITORING AND ALARM INDICATOR LIGHTS 24 FIGURE...

Page 6: ...es The booster is weather resistant has an advanced thermal management system and is capable of operating under IP54 environmental extremes It works at the frequency of 890 915MHz uplink and 935 960MH...

Page 7: ...xer 2 PCS 3 LNA built in the filters 2 PCS 3 Attenuator 1 PCS 4 Bypass Switch 1 PCS 5 Control assembly 1 PCS 6 Modem 1 PCS 7 Power supply 1 PCS 1 3 Function This product has the following functions Am...

Page 8: ...ficult to be built and coverage of micro BTS is not enough such as mountainous region foothill highland Areas where the coverage of micro BTS or micro cell is not good such as blind spots of micro cel...

Page 9: ...Outline drawing Figure 4 shows the outline drawing of outdoor booster Dimensions of outdoor booster are 210mm 8 25 x 465mm 18 3 x 866mm 34 1 H x W x D OUTDOOR BOOSTER Antenna Antenna BTS Multi Carrier...

Page 10: ...System Introduction 5 Figure 4 Outline Drawing 1 5 2 Interface The interface of the outdoor booster is shown in Figure 5 Figure 5 Outdoor Booster Interface...

Page 11: ...Description AC220V Input power interface for 220V AC BTS0 TX RX Connect to BTS main TX RX port BTS1 TX RX Connect to BTS diversity TX RX port ANT0 TX RX Connect to main antenna TX RX ANT1 RX Connect...

Page 12: ...could be installed on the wall or floor and it should be installed close to the antenna The requirements of installation site are following The installation site should be non corrosive If the cabine...

Page 13: ...10 or 15 ampere breaker is recommended 2 1 5 Requirements on Lightning Protecting and Grounding The cross section of grounding cable should be no smaller than 4AWG 25mm2 The grounding cable should be...

Page 14: ...should be only performed by qualified personnel under well protection 2 2 2 1 Installation on the Wall Step Operations 1 Drill 4 holes 10 as shown in Figure 6 2 Install 2 expansion bolts as shown in...

Page 15: ...he tower mounted bracket with the booster as shown in Figure 8 2 Mount the cabinet on the tower 3 Assemble the bracket and the tower with two long bolt 4 Additional fix the bracket with the tower by u...

Page 16: ...mount the cabinet on the bracket by using the M8 16 bolt Mount the bracket on the floor Notes Mounting the bracket before mounting the cabinet on the bracket is acceptable Instructions 1 Hold mount in...

Page 17: ...uit with power wires unless the signal cable s voltage range is equal to the power wire s voltage range Avoid bundling signal cable and grounding cable power cable keep them separate The power cable a...

Page 18: ...13 Installing Power Cable and Ground Cable The connection of power cable connector is shown as following figures L Brown N Blue Figure 14 Power Cable GND Yellow Figure 15 Power Cable Connector 2 3 2 I...

Page 19: ...crews and nuts screwed tightly without missing flat washers and spring washers Spring washers must be on the top of flat washers 4 No cable damage 5 Clean no smudges or dust 6 Connections between meta...

Page 20: ...stem after the device was installed and inspected Test steps for Outdoor Booster VSWR testing sweep test of cables and antenna Effect testing DT CQT testing Region optimize base on the OMC R statistic...

Page 21: ...pare The Test Data Test Process End System Optimize Yes No Test Start Document Management OME Statistic DT Test Statistic CQT Test Statistic BTS Coverage Range OME Statistic DT Test Statistic CQT Test...

Page 22: ...Boosters operational parameters HighPower includes two parts of functions Device status monitoring Device parameter configuration HighPower supports Windows2000 XP operation system 3 2 Software Insta...

Page 23: ...Operation and Monitoring 18 STEP3 Click Next to begin the installation STEP4 Click Finish to complete the installation...

Page 24: ...g 19 3 3 Ports Connection HighPower works through the COM serial port as shown below The Booster TEST port is connected to the computer s COM serial port through the serial data transmission wire Figu...

Page 25: ...ay software 3 4 2 Ports Setting The default computer COM port is COM1 If it s not COM1 please reset the COM port as following steps Start HighPower program Double Click the status display bar The COM...

Page 26: ...the device of Main Board shown as figure 19 Table 3 Menu Button Description Menu Button Description Link Connect to the booster Read Read the serial data from the booster Close Disconnect to the boos...

Page 27: ...nute OK ALARM NULL 12 FAN2 Speed OK ALARM NULL FAN2 Speed circle minute OK ALARM NULL 13 FAN3 Speed OK ALARM NULL FAN3 Speed circle minute OK ALARM NULL 14 FAN4 Speed OK ALARM NULL FAN4 Speed circle m...

Page 28: ...Forward power value 6 VSWR VSWR Value 7 POWER V Power supply value 8 In Power dBm Input Power value 9 Alarm State OK ALARM PA OK ALARM 10 POWER State OK ALARM PA Power State OK ALARM 11 OVER_VSWR OK A...

Page 29: ...nce is not required A routine check every season or every half year is enough including Check the indicator status normal or alarm Check the fans working status normal or alarm Change the air filter e...

Page 30: ...5 VSWR VSWR indicator light Red On VSWR failure Green On PA temperature is normal 6 TEMP Power amplifier temperature indicator light Red On PA is over temperature Green Flashing System working normall...

Page 31: ...alarm and shut down 5 0 Over VSWR restart 3 0 4 TEMP Over temperature Over temperature alarm and shut down power amplifier 95 C Over temperature restart 75 C 4 2 2 Power Amplifier and Low Noise Amplif...

Page 32: ...DN UP 15 DN DN DN DN 4 2 2 2 Gain Calculation Below descript the calculation of the gain of downlink PA and uplink LNA BTS Outdoor booster Pin Pout PBTS Loss Gdown DownLink Gain 0 15dB Gup UpLink Gain...

Page 33: ...ster For engineering experience Gup 8 12dB is recommended 4 2 2 3 Adjustment of PA Gain for BTS Upgrade The BTS output power will be enhanced when the BTS adds channel s and expand capability That mea...

Page 34: ...er as the following figure the output power of BTS won t be changed when the BTS is upgraded to 3 or 4 channels And there s no need to reset the PA gain of the booster Tx Rx Channel 1 Tx Rx Channel 2...

Page 35: ...down Port Specification The alarm and remote shutdown port is shown in Figure 24 which is DB15 socket The relevant pins will be short circuit when there is an alarm or shutdown and the relevant pins w...

Page 36: ...ances and Managements 31 Item Alarm indicator Specification Relevant Pins Notes 5 TEMP Over temperature alarm Pin 5 Pin13 6 VSWR Over VSWR Pin 6 Pin14 7 12 output Pin 7 Not an alarm 8 GND Pin 15 Not a...

Page 37: ...Gain Variation Over Temp 1dB IMD 65dBc for multi carrier typical Spectrum Masks and Spurious Emissions FCC compliant System Characteristics Specification Return loss VSWR BTS Ports Antenna Ports 14dB...

Page 38: ...Ports 7 16 DIN female ANT Ports 7 16 DIN female ALARM Port DB15 female Reliability Characteristics Specification MTBF MCPA 100 000 hours Rectifier 70 000 hours Fan 50 000 hours Other Parts 150 000 ho...

Page 39: ...r level of one watt DIN Deutsches Insitut f r Normung eV German standards institution 7 16 DIN German standards RF connector 7mm OD of inner contact 16mm ID of outer contact DL Downlink DT Driver Test...

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