Document Number: DCM000000013, Rev.1
Issue December 13, 1999
© Copyright 1999 Kaval Telecom Inc. All Rights Reserved
BDA1250
BI-DIRECTIONAL
LINE AMPLIFIER
EQUIPMENT MANUAL
Page 1: ...Document Number DCM000000013 Rev 1 Issue December 13 1999 Copyright 1999 Kaval Telecom Inc All Rights Reserved BDA1250 BI DIRECTIONAL LINE AMPLIFIER EQUIPMENT MANUAL ...
Page 2: ...mplied including but not limited to the implied warranties of merchantability and fitness of a particular purpose Kaval Telecom may make changes or improvements in the equipment software or specifications described in this document at any time and without notice These changes will be incorporated in new releases of this document This document may contain technical inaccuracies or typographical err...
Page 3: ... Electrical Specifications 11 4 BDA ENCLOSURE INSTALLATION 12 4 1 PREPARATION FOR THE INSTALLATION OF BDA ENCLOSURES 12 4 2 MOUNTING THE BDA ENCLOSURE 12 4 3 CONNECTING THE COAXIAL CABLES 12 4 4 CONNECTING THE POWER CABLES 13 5 ANTENNA INSTALLATION 14 6 TROUBLESHOOTING AND MAINTENANCE 15 6 1 MAINTENANCE 15 6 1 1 Maintenance Safety 15 6 1 2 Maintenance Philosophy 15 6 2 TROUBLESHOOTING PROCEDURE 15...
Page 4: ...ed in a commercial environment This equipment generates uses and can radiate radio frequency energy and If not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expe...
Page 5: ...ocedure Return Material Authorization procedure Section 9 Ordering Parts and Accessories Information ordering BDA parts and accessories 2 2 Off the air Amplifier System Application The Bi Directional Amplifier is intended to extend Cellular coverage into areas with coverage deficiency such as inside office buildings shopping malls hospitals etc It is designed to be located independent of the donor...
Page 6: ...rategically located and connected to Omni directional ground plane antennas This technology offers flexibility in system design installation and optimization Once the RF cable backbone has been installed additional signal taps and antennas can quickly and easily be added to a live system without the need to take the system out of service Hence new coverage areas can be added or the system can easi...
Page 7: ...es Amplifier is a compact wall mounted bi directional Broadband amplifier It can be mounted in false ceilings or closets The BDA1250 consists of the following functions BDA housing Rugged die cast aluminum housing ensures long life and service 1 Power Supply adapter Operates on 120 230VAC to provide 12V DC to amplifiers Figure 3 1 shows a block diagram of the BDA1250 ...
Page 8: ...BDA1250 Equipment Manual DCM000000013 Kaval Telecom Inc Page 8 of 17 Figure 3 1 BDA1250 Block Diagram ...
Page 9: ...se Figure 8 dB Propagation Delay 5 µs Impedance 50 ohms VSWR 2 1 Input Impedance 50 ohms Electrical Specifications Primary Voltage 115 230VAC 50 60Hz Primary Power 10 Watts Mechanical Characteristics Dimensions W x H x D 7 5 x 5 5 x1 5 Weight 2 lbs Approx Housing Rugged die cast aluminum housing Connectors N female Operating Temperature Range 5 C to 50 C Table 3 1 BDA 1250 Series Model Chart Model...
Page 10: ...nd the unit RF cables must be in place and labeled clearly as Donor Cell Site and In building 4 2 Mounting the BDA Enclosure The physical installation is accomplished by mounting the BDA1250 in false ceilings closets or on a vertical wall Using four mounting holes on the enclosure 5 82 x 5 125 see figure 3 2 as a template insert four bolts to the wall Make sure the bolts are capable of supporting ...
Page 11: ... as to ensure compliance with all National and Local Electrical Wiring Regulations Connecting power cables can be done as follow 1 Locate the on off switch on the front of the BDA1250 Turn the switch to the OFF position 2 Locate a nearby AC outlet and connect AC adapter to the AC outlet 3 Connect the DC input jack of the AC adapter to the BDA12500 4 Make sure the adapter cable is neatly tugged awa...
Page 12: ...n system with Signal Taps at various points connected to the fixed mounted Indoor Antennae This is shown in the figure in the Introduction The Indoor Antennae are simple 1 4 Wavelength 0 dBi Gain types They are used with Kaval 12 16 or 20 dB Cable Taps As such the maximum EIRP will be at the first Tapped Antenna which will be 12 dB below the maximum signal level of the BDA1250 28 dBm or 0 63 Watts...
Page 13: ...AC adaptor and Portable Radio to monitor off the air signals There is no requirement to have any test equipment to accomplish most service repairs l BDA component parts have been designed for reliable long life operation lCorrective action can often be taken without detailed technical knowledge or the need for any test equipment 6 2 Troubleshooting Procedure 1 Before attempting to troubleshoot the...
Page 14: ... AC adaptor is connected properly to the BDA1250 and the AC outlet 2 Check the AC outlet with a multimeter 3 Check the DC output of the AC adaptor with a multimeter Does the AC adaptor provide 12 Vdc output Is there RF coverage No Yes Replace BDA1250 Note the new BDA1250 gain should be set with the same settings as that of the existing BDA1250 prior to replacement Start Troubleshooting Procedure F...
Page 15: ...ate or improper operation of any Kaval product or product accessory Specifically excluded from this warranty is any claim of merchantability or fitness for a particular purpose or application This warranty is void if the product has been subject to misuse neglect accidental damage damage of a cosmetic nature misapplication extreme environmental conditions unauthorized repair or alteration Customer...
Page 16: ...r can be returned for repair by the following procedures Contact Kaval Telecom Inc at 1888 86 KAVAL for a Return Materials Authorization RMA number Please provide serial number and model number Ship the defective part prepaid in the original shipping box to Kaval Telecom Inc ATTN Returned Part RMA number XXXX 60 Gough Road Markham On L3R 8X7 Canada ...
Page 17: ... ordering information Parts and accessories for the BDA1250 Line amplifier can be purchased by contacting Kaval Telecom Inc at 1888 86 KAVAL for prices and delivery When ordering a replacement part please provide model number serial number and software version number See BDA Controller Settings As Built list ...
