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Cable AML OAR02-010, Installation And Maintenance Manual

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Cable AML OAR02-010 Installation And Maintenance Manual Download Page 13

Outdoor Broadband Repeater – Model: OAR02-010 

IM456213-10 Rev –

 

7

 

 

 

 

Figure 3.  OAR02-010 Repeater Chassis Layout. 

Composite AGC 
Module 

Output MMDS 
Downconverter 

Power 
Amplifier 

Surge 
Protector 

+24VDC 
Power Supply 

Input MMDS 
Downconverter 

LNA with 
AGC Circuit 

+12VDC Power 
Supply 

Summary of Contents for OAR02-010

Page 1: ...Cable AML Installation and Maintenance Manual Outdoor Active Repeater Model OAR02 010 ...

Page 2: ... This Page Intentionally Left Blank ...

Page 3: ...for Outdoor Active Repeater Model OAR02 010 Cable AML Inc 2271 W 205th St STE 101 Torrance California 90501 1449 USA TEL 310 222 5599 or 702 363 5660 FAX 310 222 5593 Copyright 2006 Cable AML Inc www cableaml com IM456213 10 Rev 20060623 ...

Page 4: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev i This Page Intentionally Left Blank ...

Page 5: ...nd Diagnostic Circuits 6 2 4 Power Supply Circuits 6 3 0 INSTALLATION 9 3 1 Unpacking 9 3 2 Input Voltage Requirements 9 3 3 Installation 9 3 4 Connections 9 4 0 OPERATION 12 4 1 Output Level Setting Antenna Alignment 12 4 2 Ambient Conditions 12 4 3 Thermal Sensor Switch 12 5 0 MAINTENANCE AND TROUBLESHOOTING 14 5 1 Maintenance 14 5 2 External Troubleshooting 14 5 3 Internal Troubleshooting 14 6 ...

Page 6: ...e 1 OAR02 010 Repeater 2 Figure 2 OAR02 010 System Block Diagram 3 Figure 3 OAR02 010 Repeater Chassis Layout 7 Figure 4 OAR02 010 Mounted To Antenna Pole 10 Figure 5 Connector Points On Bottom Panel of Unit 11 LIST OF TABLES Figure Page Table 1 Repeater Diagnostics Using The Cable AML DTB 1 Test Box 14 ...

Page 7: ...t signals can be continuously monitored with a Field Strength Meter or a TV set without interruption of service The OAR02 010 transmitter consists of four assemblies refer to Figure 2 1 Input LNA and AGC Assembly Input signal is band passed and fed to a Low Noise Amplifier LNA with an internal microwave pin diode attenuator It s purpose is to minimize the repeater noise figure and thus obtain the ...

Page 8: ...connector is MS3116F14 15S A commercial part number is Bendix PTO6F14 15S Contact Cable AML if further help is needed 4 Power Supply Circuits 120 240VAC or 60 VAC is applied to a 100 Watt auto ranging AC to DC converter to produce the 12 Volts required by the repeater circuits Complete specifications are listed in Section 6 Details of Installation Operation Circuit Description and Maintenance Trou...

Page 9: ...AGC 12 VDC POWER SUPPLY 24VDC 0 7 AMPS 83501 008 A 82009 025 SURGE PROTECTOR AC HIGH AC LOW AC GND 120 or 240 VAC 3A Slo Blo B C 84030 102 LINE IN NEUTRAL IN GND IN LINE 1 OUT LINE 2 OUT NEUTRAL 1 OUT NEUTRAL 1 OUT GND OUT 24VDC TO DNC AND F CONNECTOR MMDS DNC 87331 001 PWR INSERT 87331 101 24VDC INPUT MONITOR 222 408 MHz 24VDC OUTPUT MONITOR 222 408 MHz RF SAMPLE RF INPUT FERRITE OUT 12 VDC TO PO...

Page 10: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev 4 This Page Intentionally Left Blank ...

Page 11: ...output signal is sampled and fed to the AGC circuit where it is detected by a coaxial tunnel diode detector The detector output is then amplified and conditioned to drive the LNA attenuator The microwave detector is temperature compensated to minimize output level variation with temperature The AGC module has one switch and three adjustments The AGC MGC switch located near the middle of the module...

Page 12: ...d are DC voltages of 1 AGC volts Pin N 2 12VDC power source Pin L 3 RF OUT Pin M Note that test boxes configured for transmitters do not normally measure AGC voltage which is one of the diagnostic voltages for this repeater The DTB 1 test box settings to read the diagnostic signals are shown in Table 1 2 4 Power Supply Circuits The repeater can be operated with an input voltage of either 120 or 24...

Page 13: ... OAR02 010 IM456213 10 Rev 7 Figure 3 OAR02 010 Repeater Chassis Layout Composite AGC Module Output MMDS Downconverter Power Amplifier Surge Protector 24VDC Power Supply Input MMDS Downconverter LNA with AGC Circuit 12VDC Power Supply ...

Page 14: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev 8 This Page Intentionally Left Blank ...

Page 15: ...multi pin connectors shown in Figure 5 face the ground 3 4 Connections Operating Connections RF Output The repeater s output connector on the right side is type N coaxial to which the output cable to the transmit antenna is connected RF Input The repeater s input connector on the left side is type N coaxial to which the RF input is connected Power AC input power connection is made to a 10 long neo...

Page 16: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev 10 is required The U S Military part number for the required mating connector is MS3116F14 Figure 4 OAR02 010 Mounted To Antenna Pole ...

Page 17: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev 11 Figure 5 Connector Points On Bottom Panel of Unit ...

Page 18: ...OR ADJUST THE TRANSMITTER OUTPUT LEVEL UNLESS THERE ARE SIGNIFICANT CHANGES IN THE NUMBER OF INPUT CHANNELS OR OTHER SYSTEM PARAMETERS 4 1 Output Level Setting Antenna Alignment This operation requires field strength meter With the field strength meter attached to the INPUT MONITOR align the antenna until you receive the maximum VHF signal Use the table 6 0 in the OAR02 010 data sheet to verify th...

Page 19: ...Outdoor Broadband Repeater Model OAR02 010 IM456213 10 Rev 13 This Page Intentionally Left Blank ...

Page 20: ...put from the transmitter first verify the following 1 AC power input If no power check the line fuse 2 12 VDC out of power supply 3 Microwave AGC Volts Nominal values for the above tests are in the system data manual If these items are found acceptable check the DC diagnostics with a test box Table 1 lists expected values for each function Table 1 Repeater Diagnostics Using The Cable AML DTB 1 Tes...

Page 21: ... the load on the power supply is too high causing the supply to go into crowbar and shut down At this point examine the wiring harness for an obvious wiring fault If no fault is found then one of the modules supplied by that power supply is shorted internally and should be replaced To identify the module lift the DC power wire for each module one at a time from the terminal block until the DC powe...

Page 22: ...W carriers 18 14 0 16 5 24 12 0 14 5 30 11 0 13 5 Frequency Response 1dB Gain 71 dB min Noise Figure 5 dB Input Return Loss 15 dB Input Connector Type N Female Output Return Loss 18 dB Output Connector Type N Female Temperature Range 40 to 122 F 40 to 50 C Primary Power 60 120 240 VAC 50 60 Hz per customer specification Power Consumption 400 VA RMS Mounting Antenna Pole Weight 50 lbs 22 7 kg Dimen...

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