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Andrew AE04A-D1248-001 Operation & Maintenance Manual

400mhz/800mhz fiber optic fed & rf fed bi-directional amplifier
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OPERATIONS / MAINTENANCE MANUAL
400MHz Fiber Optic Fed & RF Fed
800MHz Fiber Optic Fed & RF Fed
The information set forth in this document and all rights in and to
inventions disclosed herein, and patents that might be granted
thereon disclosing, employing or covering the materials, methods,
techniques or apparatus described herein are the exclusive
property of Andrew Corporation.
This document is an operation and maintenance manual. No
disclosure or reproduction of the information or drawings shall be
made of any other purpose without the prior written consent of
Andrew Corporation. Use of the information contained herein to
fabricate or assemble any item in whole or in part is expressly
prohibited.
DWG NO: AE04B-A1669
For
Bi-Directional Amplifier
AE04A-D1248-001
AE04A-D1246-001
Bi-Directional Amplifier
AE04A-D1437-002
AE04A-D1436-002
MANUAL NO. AE04B-A1669
REVISION B
Table of Contents
Wireless Innovations Group
2601 Telecom Parkway
Richardson, Texas 75082
400/800 MHz Fiber Optic & RF Fed Bi-Directional
Amplifier Operations / Maintenance Manual
Rev: B
Date: 06/18/2008
1 of 63
Page:

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Summary of Contents for Andrew AE04A-D1248-001

  • Page 1 Andrew Corporation. Use of the information contained herein to fabricate or assemble any item in whole or in part is expressly prohibited.

  • Page 2: Table Of Contents

    SAFETY CONSIDERATIONS ....................... 7 Electric Shock Hazard ..........................7 To avoid electric shock, switch the BDA “OFF” prior to performing any repairs. All repairs beyond modular replacement must be performed by Andrew Trained Technicians............7 Hot Surface Hazard .............................7 Optical Laser Hazard...........................7 Emergency Contact Numbers........................7...
  • Page 3 +48V Power Supply Module (AE04A-D0803-002) ..................49 5.7.1 Description ............................49 5.7.2 Specification............................49 5.7.3 Photographs ............................50 5.7.4 +48 V Power Supply Schematic.....................51 Alarm Module (AE04A-D0805-007): Optional..................52 5.8.1 Description ............................52 5.8.2 Photographs ............................52 5.8.3 Alarm Module Schematics ......................54 INSTALLATION..........................58 BDA Installation & Gain Setup.........................58 BDA MAINTENANCE / &...
  • Page 4 AMENDMENT RECORD SHEET Date Reason Page Incorpor Amended ated By 6/16/04 Issue J. Hsu/ E. Yearby 6/18/08 800 MHz Re-band to New Operating 2, 9, 10, 11, K. Black/ Frequency 29 and 36 E. Yearby 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway...

  • Page 5: Introduction

    INTRODUCTION Scope This handbook is for use solely with the equipment identified by the Andrew Part Numbers shown on the front cover. It is not to be used with any other equipment unless specifically authorized by Andrew Corporation. Purpose The purpose of this handbook is to provide the operator/maintainer with sufficient information to operate, maintain and repair the equipment while in the filed.

  • Page 6: Glossary Of Terms

    GLOSSARY OF TERMS Automatic Level Control Alternating Current Bi-Directional Amplifier Carrier-to-Noise Ratio Direct Current Decibel Decibel Below Carrier Decibel referenced to 1 mW Electrostatic Discharge Electromagnetic Interference FC/APC Fiber Connector /Angle Polish Connector Ground High Power Amplifier Hertz Kilohertz Kilometer Light Emitting Diode Low Power Amplifier Megahertz...

  • Page 7: Safety Considerations

    1.1 Electric Shock Hazard To avoid electric shock, switch the BDA “OFF” prior to performing any repairs. All repairs beyond modular replacement must be performed by Andrew Trained Technicians. 1.2 Hot Surface Hazard RF power into the BDA will be limited by the use of high power attenuators. These attenuators will be located at the transmitter source.

  • Page 8: Equipment Overview / Description

    EQUIPMENT OVERVIEW / DESCRIPTION MBTA System Wide Radio Tunnel Antenna Distribution System provides extended radio coverage within MBTA rail transit tunnels. The new tunnel antenna system is a two-way communication system consisting of 400 MHz base transceiver stations, 800 MHz base transceiver stations, antennas, radiating cable, fiber optic cable and BDAs.

  • Page 9: Parts Lists

    3.1 Parts Lists 3.1.1 400 MHz Bi-Directional Amplifier Andrew Description Qty. Section Part Number AE04A-D1264-001 400 MHz EO Cell Amplifier Module AE04A-D1442-001 480 MHz High Isolation Duplexer AE04A-D1443-001 480 MHz Low Isolation Duplexer AE04A-D1100-009 Fiber Optic Transceiver Module AE04A-D0803-002 +48V Power Supply Module...

  • Page 10: 400 Mhz Bi-Directional Amplifier Uplink Specification

    Notes: 1.Via Front Panel RS232 Connector. 2. Two-Tone Intermodulation: Measured two-output carriers at +20.0 dBm/C (+19.0 dBm/C for RF Fed BDA) at 483.1625 MHz and 483.2375 MHz with a BDA gain setting of 48 dB. 3.2.2 400 MHz Bi-Directional Amplifier Uplink Specification PARAMETER UPLINK SPECIFICATION Operating Frequency Range...

  • Page 11: 800 Mhz Bi-Directional Amplifier Uplink Specification

    OIP3 +44 dBm Noise Power max. @ 48dB Gain -64 dBm/Hz (-110 dBm/Hz; RF Fed BDA) AC Power 120 VAC Single Phase Notes: 1.Via Front Panel RS232 Connector. 2. Two-Tone Intermodulation: Measured two-output carriers at +23.5 dBm/C (+16.8 dBm/C for RF Fed BDA) in the 851 – 856 MHz band, with a BDA gain setting of 48 dB. 3.2.4 800 MHz Bi-directional Amplifier Uplink Specification PARAMETER UPLINK SPECIFICATION...

  • Page 12: Equipment Photographs

    PARAMETERS SPECIFICATION Operating Temperature -20°C to +60°C Operating Relative Humidity 5% to 95% (Non-Condensing) Dry Storage Temperature -25°C to +60°C ESD & EMI IEC 65 (Secretariat) 129 Draft Pub. 801-2 Shock, Vibration and Moisture Resistance MIL-STD810(E) Notes: 1. Electromagnetic Compatibility (ESD) Part 2. 2.

  • Page 13: 800 Mhz Fiber Optic Fed Bi-Directional Amplifier

    4.2 800 MHz Fiber Optic Fed Bi-Directional Amplifier 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 13 of 63 Page:...

  • Page 14: Modules

    MODULES 5.1 400 MHz EO Cell Amplifier Module (AE04A-D1264-001) 5.1.1 Description This 2Watt, 483 - 487 MHz, class A Power Amplifier Module provides a nominal 52 dB of gain. It has 30 dB of gain adjustment range, which can be varied electronically thru the front panel RS232 connector.

  • Page 15: Specification

    5.1.2 Specification PARAMETER SPECIFICATION Operating Frequency Range 483.1625 – 486.2375 MHz Gain Typical 51.5 dB Output Gain Adjustment 30 dB ≥ +33.5 dBm Composite Output Power Impedance 50 Ohms VSWR OIP3 ≥ + 47.5 dBm Noise Power max. @ 51.5 dB Gain -111.5 dBm/Hz DC Power + 48 VDC...
  • Page 16 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 16 of 63 Page:...

  • Page 17: 400 Mhz Eo Cell Amplifier Module Schematics

    5.1.4 400 MHz EO Cell Amplifier Module Schematics INTENTIONALLY LEFT BLANK 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 17 of 63 Page:...
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  • Page 25 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 25 of 63 Page:...

  • Page 26: 480 Mhz High Isolation Duplexer (Ae04A-D1442-001)

    5.2 480 MHz High Isolation Duplexer (AE04A-D1442-001) 5.2.1 Description The 480 MHz, high isolation duplexer provides the high bandpass selectivity and isolation for the Uplink and the Downlink frequency. The duplexer is based on a 5-cavity cross-coupled bandpass filter design and is aligned carefully during production to optimise the insertion loss, selectivity, and VSWR The duplexer is a fully passive device and should have an extremely long trouble- free working life and requires no maintenance.

  • Page 27: Photograph

    5.2.3 Photograph 5.3 480 MHz Low Isolation Duplexer (AE04A-D1443-001) 5.3.1 Description The 480 MHz, low isolation duplexer provides the band selectivity and isolation for the Uplink and the Downlink frequency. The duplexer is based on 4 ceramic coaxial resonators design and is aligned carefully during production to optimize the insertion loss, isolation, and VSWR The duplexer is a fully passive device and should have an extremely long trouble- free working life and requires no maintenance.

  • Page 28: Photograph

    5.3.3 Photograph 5.4 800 MHz EO Cell Amplifier Module (AE04A-D1265-001) 5.4.1 Description This 2Watt, 806-856 MHz, class A Power Amplifier Module provides a nominally 51 dB of gain. It has 30 dB of gain adjustment range, which can be varied electronically thru the front panel RS232 connector.

  • Page 29: Specification

    5.4.2 Specification PARAMETER SPECIFICATION Operating Frequency Range 806 – 856 MHz Gain Typical 51 dB Output Gain Adjustment 30 dB ≥ +33 dBm Composite Output Power Impedance 50 Ohms VSWR OIP3 ≥ + 47 dBm Noise Power max. @ 51 dB Gain -111 dBm/Hz DC Power +48 VDC...
  • Page 30 5.4.4 800 MHz EO Cell Amplifier Module Schematics INTENTIONALLY LEFT BLANK 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 30 of 63 Page:...
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  • Page 36: 800 Mhz High Isolation Duplexer (Ae04A-D1438-002)

    5.5 800 MHz High Isolation Duplexer (AE04A-D1438-002) 5.5.1 Description The 800 MHz, high isolation duplexer provides the high bandpass selectivity and isolation for the Uplink and the Downlink frequency. The duplexer is based on a 5-cavity cross-coupled bandpass filter design and is aligned carefully during production to optimize the insertion loss, selectivity, and VSWR The duplexer is a fully passive device and should have an extremely long trouble- free working life and requires no maintenance.

  • Page 37: Photograph

    5.5.3 Photograph 5.6 Fiber Optic Transceiver Module (AE04A-D1100-009) 5.6.1 Description The Fiber Optic Transceiver Module converts the Downlink and Uplink electrical (RF) signals into optical signals prior to routing the signals between remote BDAs and the base transceiver station. The fiber optic transceiver is capable of providing up to 18 dB of RF gain.

  • Page 38: Specification

    5.6.2 Specification OPTICAL PARAMETER SPECIFICATION Maximum Optical Link Loss 9 dBo Wavelength 1310+30 nm Laser Type DFB, single-mode Optical Output Power > 2 mW Optical Return Loss > -60 dB Connector Style FC/APC post-fix FC/APC RF PARAMETER SPECIFICATION Frequency Range 483-870 MHz Link Gain 0 dB nominal...

  • Page 39: Photographs

    5.6.3 Photographs 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 39 of 63 Page:...

  • Page 40: Fiber Optic Transceiver Module Schematics

    5.6.4 Fiber Optic Transceiver Module Schematics INTENTIONALLY LEFT BLANK 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 40 of 63 Page:...
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  • Page 49: Power Supply Module (Ae04A-D0803-002)

    5.7 +48V Power Supply Module (AE04A-D0803-002) 5.7.1 Description The AC to DC Power Supply Module provides + 48VDC from the main AC source to the BDA Chassis. The power supply module contains an AC front-end FARM (Filter/Autoranging Rectifier Module) followed by a DC-DC Converter Module.

  • Page 50: Photographs

    5.7.3 Photographs 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 50 of 63 Page:...

  • Page 51: Power Supply Schematic

    5.7.4 +48 V Power Supply Schematic INTENTIONALLY LEFT BLANK 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 51 of 63 Page:...

  • Page 52: Alarm Module (Ae04A-D0805-007): Optional

    5.8 Alarm Module (AE04A-D0805-007): Optional 5.8.1 Description The optional Alarm Module serves as a communication processor to provide a single point of monitoring interface for all the modules within the Fiber Optical Fed BDA. The summary alarm/monitoring status of each module can then be provided over Alarm Module’s RS-232 interface or sent thru the Fiber Optic Transceiver Module to a remote control location.
  • Page 53 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 53 of 63 Page:...

  • Page 54: Alarm Module Schematics

    5.8.3 Alarm Module Schematics INTENTIONALLY LEFT BLANK 400/800 MHz Fiber Optic & RF Fed Bi-Directional Wireless Innovations Group Amplifier Operations / Maintenance Manual 2601 Telecom Parkway Richardson, Texas 75082 DWG NO: AE04B-A1669 Rev: B Date: 06/18/2008 54 of 63 Page:...
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  • Page 58: Installation

    INSTALLATION 6.1 BDA Installation & Gain Setup INSTALLATION 1 Install the BDA in a standard 19” rack. The BDA should be placed in a location where the interconnect cables (i.e. fiber, RF and serial cable) can be easily installed and not susceptible to damage.
  • Page 59 3 If the measured output signal level exceeds +30 dBm, reduce the fiber optic gain (i.e. adjust BDA’s fiber optic transceiver front panel potentiometer) so that the output power level is equal to +30 dBm. NOTE: No additional fiber gain adjustment will be required after the fiber optic gain has been set.

  • Page 60: Bda Maintenance / Troubleshooting & Module Care

    NOTE: No additional fiber gain adjustment will be required after the fiber optic gain has been set. If any additional gain adjustments are required they must be performed via the RS232 port. The RF fed BDA uplink gain setting was performed at the factory and no field adjustments are required.

  • Page 61: Tools & Test Equipment

    7.3 Tools & Test Equipment The minimum tools and test equipment listed below are needed to successfully service the BDA: Spectrum Analyzer: 100kHz to 2GHz Signal Generator: 30MHz to 2GHz Attenuator: 20dB, 10W, DC-2GHz, (N male – N female) Optical Meter: Universal Volt-Watts Test cable x 2: N male –...

  • Page 62: Alarm Module Removal (Optional Equipment)

    Any active module not installed in a BDA must be kept in an anti-static bag or container. Any module sent back to Andrew Corporation for investigation/repair must be shipped in a anti-static container. Please contact Andrew Corporation quality department before returning a module.

  • Page 63: Bda Connections

    7.4.6 BDA Connections When tightening RF Type-N connectors located on the rear of the BDA, use a dedicated N- Type torque wrench. If Type-N connectors are over-tightened, irreparable damage will occur. Do not use adjustable pliers to loosen or tighten connectors. When connecting or disconnecting the fiber optic cable connectors located on the front panel of the fiber optic transceiver module, exercise caution not to touch the optical connector center pin.

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