Nortel BTR 2400 Installation Manual
Reunion
BTR 2400
Outdoor Microwave Transceiver
Installation Guide
Release 1.1 July 1998
411-1333-200
Reunion
BTR 2400
Outdoor Microwave Transceiver
Installation Guide
Document number: 411-1333-200
Product release: Release 1.1
Document version: Preliminary
Date: July 1998
Copyright Country of printing Confidentiality Legal statements Trademarks
1998 Northern Telecom
Northern Telecom Ltd., all rights reserved
Printed in Canada
NORTHERN TELECOM CONFIDENTIAL:
The information contained in this document is the property of Northern
Telecom. Except as specifically authorized in writing by Northern Telecom, the holder of this document shall keep the information
contained herein confidential and shall protect same in whole or in part from disclosure and dissemination to third parties and use
same for evaluation, operation, and maintenance purposes only.
Information is subject to change without notice.
REUNION
TM
is a trademark of Northern Telecom Ltd.
v
Reunion BTR 2400 Installation Guide
Publication history
July 1998
• Initial preliminary release of the document
vi Publication history
411-1333-200 Preliminary July 1998
vii
Reunion BTR 2400 Installation Guide
About this guide
Purpose
This guide provides the information required to install and operate the BTR
2400 outdoor microwave transceiver.
The BTR 2400 is a key microwave component in the Nortel Reunion
TM
base
station providing transmission facility for two-way digital wireless voice,
data and video communications.
The BTR 2400 is one of the RF (Radio Frequency) products that constitute a
Nortel Reunion
TM
product line. The associated products include the following
types of cell site equipment:
• broadband transmitters
• broadband receivers
• broadband repeaters
• broadband transceivers
Audience
The audience for this document are those who install and operate the
BTR 2400. To take full advantage of this guide, you should have a basic
understanding of microwave fundamentals and know how to use microwave
test equipment.
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411-1333-200 Preliminary July 1998
Organization
1. This Guide is divided into seven sections:
• Product Overview describes the BTR’s components and theory of
operation.
• Pre-Installation describes the basics of handling the equipment upon
arrival.
• Reunion Safety Standards provide a quick review of general safety
guidelines.
• Installing the BTR 2400 explains how to physically install the transceiver.
• BTR 2400 Maintenance describes basic maintenance procedures to ensure
that the transceiver is operating correctly.
• BTR 2400 Diagnostic Reference Chart provides a quick troubleshooting
guide.
• List of terms provides a quick reference to terms and acronyms found in
the guide.
Customer Support
In addition, Nortel Broadband Wireless Access (BWA) provides 24-hour
customer service and technical support to ensure your service operation is
trouble-free. If you have questions or need technical support, contact Nortel
Broadband Wireless Access at the following telephone numbers:
• In the USA and Canada, call toll free 1 (800) 822-6355
• Outside of North America, call (204) 631-2250
• Fax (204) 631-2475
Write Nortel at:
• Nortel
Broadband Wireless Access
37 Stevenson Road
Winnipeg, Manitoba R3H 0H9
Canada
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Reunion BTR 2400 Installation Guide
Documents to fit Your Needs
The BTR 2400 Installation Guide is designed to provide complete procedural
and technical information needed to install, manage and operate this
equipment.
Nortel Broadband Wireless Access Customer Documentation and Training’s
goal is to furnish concise, efficient and effective documentation that provides
the customers and/or customer service personnel with the precise information
required to operate and manage the specific Nortel Broadband Wireless
Access equipment acquired.
To help serve you better, please identify any information that you:
• cannot find
• had difficulty finding
• think is important to include in the document
Contact us at:
• Customer Documentation and Training
Nortel
Broadband Wireless Access
37 Stevenson Road
Winnipeg, Manitoba R3H 0H9
Canada
Tel: (204) 631-2250; Fax: (204) 631-2475
x
411-1333-200 Preliminary July 1998
Documentation Suite
Reunion Release 1.1 has a suite of eight documents:
Reunion System Overview, 411-1343-010
Reunion System Administration Guide, 411-1343-011
Reunion Network Node Equipment Installation Guide, 411-1313-200
Reunion NIU 6050 Network Interface Unit Installation Guide, 411-1323-200
Reunion BTR 2400 Outdoor Microwave Transceiver Installation Guide,
411-1333-200
Reunion CTR 2400 Outdoor Microwave Transceiver Installation Guide,
411-1333-201
Reunion Redundancy Switching Matrix Installation Guide, 411-1313-201
Reunion DSS 1000 (Digital System Supervisor) User Guide, 411-1343-500
xi
Reunion BTR 2400 Installation Guide
Contents
Publication history v
About this guide vii
Purpose vii
Audience vii
Organization viii
Customer Support viii
Documents to fit Your Needs ix
Documentation Suite x
Contents xi
BTR 2400 Release 1.1 1-1
Product Overview 1-1
How the BTR 2400 Works 1-2
BTR 2400 Specification 1-4
BTR 2400 Component Descriptions 1-6
Diplexer / Power Supply 1-6
Mixer 1-6
Dielectric Resonance Oscillator (DRO) 1-6
Isolator 1-6
Bandpass Filter 1-6
Low Noise Amplifier 1-7
IF Amplifier 1-7
Power Amplifier 1-7
Remote Monitor 1-7
Antenna 1-7
Pre-Installation 1-8
Prevention of Access 1-8
Unpacking Shipment 1-8
Reunion Safety Standards 1-9
Safety Disclaimer 1-9
General Safety 1-9
Electrical Safety 1-9
Installing the BTR 2400 1-10
Adjusting Antenna Polarity 1-10
Installing the Tower Equipment 1-1 1
Installing Indoor Equipment 1-12
BTR 2400 Maintenance 1-22
Mechanical Checks 1-22
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411-1333-200 Preliminary July 1998
Grounding 1-22
BTR 2400 Diagnostic Reference Chart 1-23
List of terms 2-1
1-1
Reunion BTR 2400 Installation Guide
1BTR 2400 Release 1.1
Product Overview
The BTR 2400 outdoor transceiver is a state-of-the-art broadband microwave
transceiver designed to operate in the 24.25 to 24.45 GHz frequency band
downstream and the 25.05 to 25.25 GHz frequency band upstream. It is a
combined broadband transmitter and receiver deployed in Reunion’s point-tomultipoint system.
The BTR 2400 transceiver is mounted on a pole or a building. It features a
small size and low noise characteristics. The combination of digital
modulation and low-loss mounting results in an efficient and low-cost
installation. It has a high-stability reference oscillator.
The BTR 2400 features the following attributes:
• light-weight and compact packaging designed for mounting outdoors
• solid-state upconverter and downconverter designs
• high frequency stability over a wide temperature range
• standard 60 VAC trapezoidal or 48 VDC input for use around the world
The transceiver comprises the following components:
• diplexer
• power supply
•mixers
• local oscillator
•isolators
• bandpass filters
• low noise amplifier (LNA)
• power amplifier
• antenna
• remote monitor unit
• IF amplifier
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