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TX RX Systems 434B-83H-01-M-110/48, Инструкция по установке и эксплуатации

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7;5;6\VWHPV,QF

                              Manual 7-9547-1                                12/09/14                                 Page 24

Figure 14

: Testing the output spectrum of the system.

-30

-35

-40

-45

-50

-55

-60

-65

-70

-75

-80

dBm

Receive Band

Less than -35 dBm

Transmit Band

Less than -55 dBm

Remaining Spectrum

Less than -75 dBm

Transmit Band

Receive Band

Frequency (MHz)

Maximum Signal Level Mask

Figure 15:

 Maximum permissible signal levels of receiver outputs of the base unit.

Содержание 434B-83H-01-M-110/48

Страница 1: ...kway Angola NY 14006 Tel 716 549 4700 Fax 716 549 4772 sales W U com www W U com Installation and Operation Manual for the Tower Top Amplifier System Models 434B 83H 01 T 434B 83H 01 M 110 48 Manual P...

Страница 2: ...otherwise agreed at the time the order is placed seller reserves the right to make partial shipments for which payment shall be made in accordance with seller s stated terms Shipments are made with t...

Страница 3: ...ormation Training Video Available Heavy Lifting High Voltage Hot Surface ESD Electrostatic Discharge Electrial Shock Hazard Safety Glasses Required Manual Part Number 7 9547 Copyright 2014 Bird Techno...

Страница 4: ...d When inquiring about updates to this manual refer to the manual part number and revision number on the revision page following the front cover Table of Contents General Description 7 Tower Top Box 8...

Страница 5: ...leshooting 29 Performance Degradation 29 Hardware Problems 30 Lightning and Lightning Arresters 30 Vandalism 30 AC line Fuse 110 VAC Model 30 Periodic Maintenance 31 Recommended Spare Parts 31 Optiona...

Страница 6: ...l filter 32 Figure 20 SNMP Home Page 33 Figure 21 User Administration 34 Figure 22 Create a New User 34 Figure 23 Network Configuration 35 Figure 24 Network Configuration with Password 35 Figure 25 SN...

Страница 7: ...on the tower close to the antenna The second com ponent of the system is the base control unit which is located in the control room Specifications for the system are listed in Table 1 The system also...

Страница 8: ...ature Coupled Redundant Amplifier Switching Automatic Type of Amplifier Switching Solid State RF Switch TTA Gain Input to Output of TTA 23 0 dB min LNA OIP3 42 dBm typical Return Loss of all RF Ports...

Страница 9: ...le 4 The top and rear views of the base control unit are shown in Figures 3 and 4 respectively FUNCTIONAL BLOCK DIAGRAM Figure 5 is a functional block diagram of the entire TTA system which includes t...

Страница 10: ...ons and tests have been successfully completed Mechanical Inspection It is advisable to check the tightness of the hold down screws for the base unit assemblies to insure nothing loosened during shipm...

Страница 11: ...Module 16 Way Divider Ground Lug Front Panel Assembly Figure 3 Top view of the Base Control Unit MCU LAN Board Test Cable here Main Cable here Preselector Filter here Alarm Contacts Expansion Port To...

Страница 12: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 12 Figure 5 Functional block diagram of the system...

Страница 13: ...To perform the initial power up test the system should be temporarily interconnected at ground level using short temporary cables To temporarily interconnect the equipment connect a cable between the...

Страница 14: ...ng Inject the test signal into the tower box antenna port Be sure that the signal generator is setup for a 3 KHz deviation with a 1000 Hz tone analog or proper pattern for BER testing Connect the SINA...

Страница 15: ...LIZE ENTER TO RESTART TEST ENTER TO SELECT ATTENUATORS ENTER TO SELECT FEEDLINE DATA ENTER TO SELECT SENSITIVITY ENTER TO SELECT TTA NET GAIN ENTER TO ADJUST MAIN LINE LOSS ENTER TO ADJUST STATIC W LO...

Страница 16: ...nector Using the front panel display interface place the unit in the terminate mode The system will switch the input of the tower top amplifier to the internal load Note that after 1 minute of being i...

Страница 17: ...Connect the tower top box ground lug to a good solid ground on the tower To insure stability it is important to fasten the box to the tower using all mounting tabs The box must be mounted with the con...

Страница 18: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 18 Figure 9 Base Control Unit MCU system installation guidelines...

Страница 19: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 19 Figure 10 System installation guideline notes...

Страница 20: ...ion deck Interference and IM Considerations Although Bird Technologies TTA systems are designed for maximum interference immunity there are many factors that can lead to harmful interfer ence when usi...

Страница 21: ...red value This storage register works in a forward loop fashion starting at 0 0 and increasing to 9 5 A button press after 9 9 returns the setting back to 0 4 After setting the main line loss value pr...

Страница 22: ...n The attenuation adjustments allow the system to maintain maximum protection of the receivers while obtaining the best sensitivity possible TTA NET Gain TTA NET is defined as the net gain between the...

Страница 23: ...e connected to the output of the multicoupler as if it were a receiver essentially monitoring what the receiver sees Figure 14 shows the equipment interconnections for this measurement while Figure 15...

Страница 24: ...e system 30 35 40 45 50 55 60 65 70 75 80 dBm Receive Band Less than 35 dBm Transmit Band Less than 55 dBm Remaining Spectrum Less than 75 dBm Transmit Band Receive Band Frequency MHz Maximum Signal L...

Страница 25: ...The difference between the two is the sys tem degradation Front Panel Test Port The front panel BNC test port is connected to the tower box through the test line allowing signals generated at ground l...

Страница 26: ...menu choice then select and active the terminate function The RF signal path through the tower top box will be interrupted and on air signals will not be passed to the station receivers 5 Adjust the...

Страница 27: ...under normal conditions as well as with all trans mitters producing full power All transmitters keyed will show the worse case situation To test the sys tems effective sensitivity through the test po...

Страница 28: ...on line the tower top box temperature and installed software version level CURRENT DRAW Typical displayed values for each of the system amplifiers are listed in Table 6 The current value for any ampli...

Страница 29: ...nditions indicate a primary malfunction When the current to any of the amplifiers deviates from normal amplifier switching will take place in the tower top box if the fault lies with one of the tower...

Страница 30: ...e a loss of system testing and an alarm will be continuously set AC Line Fuse 110 VAC model A failure of the power supply will obviously shut the tower amplifier down because of high signal loss throu...

Страница 31: ...ere are no recommended spare parts for the TTA system OPTIONAL EQUIPMENT Optional equipment can be purchased from Bird Technologies in order to increase the performance of your TTA system These includ...

Страница 32: ...n the RF signal path through the system INSTALLATION KIT CONTENTS Included in the installation kit are 1 Panel mounted narrowband preselector 2 Pair of 24 inch BNC N cables 3 Required installation scr...

Страница 33: ...figure 2 The LAN port will need to be connected to the internet by the cus tomer using a standard CAT 5 cable The SNMP feature will be energized and active whenever the booster has operational voltag...

Страница 34: ...d password The default user name is admin and the default password is admin Once the correct user name and pass word are entered then a menu box for creating a new user will be presented as shown in F...

Страница 35: ...ses authentication type user name this field must have a value or traps will not be sent a password for the user name encryption type and an encryption passphrase The SNMP Configura tion screen with p...

Страница 36: ...department 2 Use the Network Configuration to setup the DHCP as either active or inactive When DHCP is inactive the deck will be using a static IP and the user must enter values for IP address net mas...

Страница 37: ...stem a trap message is formulated and sent to the desti nation computer Typical trap messages are shown in figure 37 To interpret the meaning of the trap message it must be examined in detail for an i...

Страница 38: ...active Base Amp ok 4 LNA A ok LNA B active Base Amp fault 5 LNA A active LNA B fault Base Amp ok 6 LNA A active LNA B fault Base Amp fault 7 LNA A fault LNA B active Base Amp ok 8 LNA A fault LNA B a...

Страница 39: ...mputer and the TTA After a few moments of initialization the right most LED should flash occasionally 4 Insure that your laptop s IP address is compati ble with the default address of the deck This ma...

Страница 40: ...ctions folder opens double click on the Local Area Connection icon See Figure B3 5 The Local Area Connection Status box will open Single click the Properties tab as shown in Figure B4 Note If you do n...

Страница 41: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 41 Figure B2 Select the Network Connections icon Figure B3 Select the Local Area Connection icon...

Страница 42: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 42 Figure B4 Select the Properties tab Figure B5 Make sure the Internet Protocol TCP IP choice is highlighted Then select OK...

Страница 43: ...7 5 6 VWHPV QF Manual 7 9547 1 12 09 14 Page 43 Figure B6 Select Use the Following IP Address Figure B7 Enter the new IP address and Subnet mask values...

Страница 44: ...8625 Industrial Parkway Angola NY 14006 Tel 716 549 4700 Fax 716 549 4772 sales W U com www W U com...

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