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ADCP-75-169
Issue 1
June 2004
®
Digivance LRCS System
Rear Access Host Unit
Installation and Maintenance Manual
19717-A
1284820 Rev A
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ADCP-75-169 • Issue 1 June 2004 Preface COPYRIGHT © 2004, ADC Telecommunications, Inc. All Rights Reserved Printed in the U.S.A. REVISION HISTORY ISSUE DATE REASON FOR CHANGE 1 06/2004 Original release. LIST OF CHANGES The technical changes incorporated into this issue are listed below. PAGE IDENTIFIER DESCRIPTION OF CHANGE All Original release TRADEMARK INFORMATION ADC, Digivance, PowerWorx, and FiberGuide are registered trademarks of ADC Telecommunications, Inc. DISCLAIMER OF LIABILITY C
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ADCP-75-169 Issue 1 June 2004 Preface TABLE OF CONTENTS Content Page ABOUT THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v ADMONISHMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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ADCP-75-169 Issue 1 June 2004 Preface TABLE OF CONTENTS Content Page Blank Page iv © 2004, ADC Telecommunications, Inc.
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ADCP-75-169 Issue 1 June 2004 Preface ABOUT THIS MANUAL This publication provides a basic description of the Digivance LRCS rear access Host Unit (HU) plus the installation and maintenance procedures. Also described are various accessories that may be used with the HU. An overview of the Digivance System, a complete description of the system components, the system turn-up and test procedures, and the system troubleshooting procedures are provided in the applicable Digivance System Operat
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ADCP-75-169 Issue A June 2001 Preface GENERAL SAFETY PRECAUTIONS Warning: Wet conditions increase the potential for receiving an electrical shock when installing or using electrically-powered equipment. To prevent electrical shock, never install or use electrical equipment in a wet location or during a lightning storm. STANDARDS CERTIFICATION FCC: This equipment complies with the applicable sections of Title 47 CFR Part 90 (SMR). UL/CUL: This equipment complies with UL and CUL 50 Standar
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ADCP-75-169 Issue 1 June 2004 Preface LED Light Emitting Diode LPA Linear Power Amplifier LRCS Long-Range Coverage Solution MHz Mega Hertz MPE Maximum Permissible Exposure MTBF Mean Time Between Failure NEM Network Element Manager NEMA National Electrical Manufacturers Association NO Normally Open NOC Network Operations Center OSP Outside Plant PA Power Amplifier REV Reverse RF Radio Frequency RMA Return Material Authorization RU Remote Unit SMR Specialized Mobile Radio STM Spectrum Transp
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ADCP-75-169 Issue A June 2001 Preface Blank Page viii © 2004, ADC Telecommunications, Inc.
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ADCP-75-169 Issue 1 June 2004 1 INTRODUCTION The rear access Host Unit serves as the EBTS servicing unit for the Digivance LRCS system. A typical LRCS system consists of a Host Unit (HU) and a Remote Unit (RU). The HU consists of an electronic chassis assembly that mounts in a standard equipment rack. The RU consists of multiple electronic and optical modules that mount in either an outdoor cabinet or an indoor mounting shelf. The HU and the RU together comprise an LRCS system. Various acces
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ADCP-75-169 Issue 1 June 2004 2.2 RF Signal Connections The RF signal connections between the HU and the EBTS are supported through either two (non-diversity unit) or three (diversity unit) N-type female connectors. On non-diversity units, one connector is used for the forward path RF signal. The other connector is used for the reverse path RF signal. On diversity units, a third connector is used for the diversity path RF signal. In installations where multiple EBTS’s will be connected to a
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ADCP-75-169 Issue 1 June 2004 FRONT VIEW (1) DC POWER (REFERENCE (9) SERVICE (10) NET IN (11) NET OUT ON/OFF SWITCH ITEMS 2 - 8) INTERFACE CONNECTOR CONNECTOR LED INDICATORS CONNECTOR (12) REVERSE 1 (13) REVERSE 2 (14) FORWARD (15) DC POWER (16) COVER PLATE RF OUT RF OUT RF IN TERMINAL STRIP 19722-A REAR VIEW (17) ALARM (18) (19) (20) (21) GROUNDING OUTPUT CONNECTOR PORT 1 PORT 2 PORT 3 STUD Figure 2. Host Unit User Interface Table 1. Host Unit User Interface FUNCTIONAL REF USER INTERFACE D
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ADCP-75-169 Issue 1 June 2004 Table 1. Host Unit User Interface, continued FUNCTIONAL REF USER INTERFACE DEVICE NO DESIGNATION DESCRIPTION 7 PORT 1/PORT 2 Multi-colored LED Indicates if the reverse/forward path optical sig- nals from the STM/HU are normal (green), if no (green/red) signals are detected (red), or if excessive errors are detected (red). See Note. 8PORT 3 Multi-colored LED Indicates if the diversity reverse path optical signal from the RU is normal (green), if no signal is
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ADCP-75-169 Issue 1 June 2004 3 HOST UNIT ACCESSORIES This section provides a brief description of various accessory items that are available separately. The accessory items may or may not be required depending on the application. 3.1 Interface Panels The interface panels are accessory items that are used when multiple EBTS’s require connection to a single HU. Two types of panels are available: the Primary Interface Panel and the Expansion Panel. The Primary Interface Panel, shown in Figure
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ADCP-75-169 Issue 1 June 2004 18824-A Figure 4. Expansion Panel 3.2 Wavelength Division Multiplexer System The Wavelength Division Multiplexer (WDM) system is an accessory product that is used when it is desirable or necessary to combine the forward and reverse path optical signals from one Digivance system onto a single optical fiber. Each WDM system consists of a host module and a remote module. The HU provides a mounting slot for installing a WDM host module. Both the RU outdoor cabinet t
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ADCP-75-169 Issue 1 June 2004 3.3 Coarse Wavelength Division Multiplexer System The Coarse Wavelength Division Multiplexer (CWDM) system is an accessory product that is used when it is desirable or necessary to combine the forward and reserve path optical signals from up to four Digivance systems onto a single optical fiber. Each CWDM system consists of a Host Module, Host Module mounting shelf, and Remote Module. The CWDM Host Module mounting shelf can support up to three CWDM Host Modules.
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ADCP-75-169 Issue 1 June 2004 4 INSTALLATION PROCEDURES This section provides the installation procedures for the HU and the WDM host module (accessory item). The installation procedures for the Interface Panels are provided in the Digivance Long Range Coverage Solution SMR Interface Panels User Manual (ADCP-75-143). The installation procedures for the CWDM Host Module and the Host Module Mounting Shelf are provided in the Digivance System Coarse Wavelength Division Multiplexer User Manual (
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ADCP-75-169 Issue 1 June 2004 4.2 Unpacking and Inspection This section provides instructions for opening the shipping boxes, verifying that all parts have been received, and verifying that no shipping damage has occurred. Use the following procedure to unpack and inspect the HU and any accessories: 1. Open the shipping cartons and carefully unpack each component from the protective packing material. 2. Check each component for broken or missing parts. If there are damages, contact ADC (se
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ADCP-75-169 Issue 1 June 2004 When routed to the RU outdoor cabinet, the OSP fiber optic cable should be spliced to a connectorized outdoor-rated cable (consisting of individual jacketed pigtails) which is then routed into the outdoor cabinet. The individual pigtails can then be connected directly to the STM optical ports. A connector is provided on the bottom of the RU outdoor cabinet to seal the cable entry point and provide strain relief. The procedure for routing the fiber cable into an
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ADCP-75-169 Issue 1 June 2004 FOR INSTALLATION IN 23-INCH RACKS, REMOVE AND REINSTALL MOUNTING BRACKETS AS SHOWN 17864-A Figure 9. Installing the Mounting Brackets for 23-Inch Rack Installations 4. Position the HU in the designated mounting space in the rack (per system design plan) and then secure (but do not tighten) the HU to the rack using the four machine screws provided (use #12-24 or M6 x 10 screws, whichever is appropriate) as shown in Figure 10. Note: Provide a minimum of 3 inches
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ADCP-75-169 Issue 1 June 2004 4.5 Chassis Ground Connection A stud is provided on the rear side of the chassis for connecting a grounding wire to the chassis. Use the following procedure to connect the grounding wire to the chassis and to route the grounding wire to an approved earth ground source. 1. Obtain a length of #18 AWG (1.00 mm) insulated stranded copper wire for use as a chassis grounding wire. 2. Terminate one end of the wire with a ring terminal. 3. Locate the chassis ground s
