ADC 19717-A User Manual
Digivance® LRCS System
Rear Access Host Unit
Installation and Maintenance Manual
ADCP-75-169
Issue 1
June 2004
19717-A
1284820 Rev A
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 incorporat ed into this issue are lis ted below.
PAGE IDENTIFIER DESCRIPTION OF CHANGE
All Original release
TRADEMARK INFORMATION
ADC, Digi vance, PowerWorx, and FiberGuide are registered trademarks of A D C Telecommunications, Inc.
DISCLAIMER OF LIABILITY
Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no
event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further
disclaims an y and all liability for indirec t, incidental, special, consequen tial or other similar dam ages. This discl aimer of
liability applies to all products, publications and services during and after the warranty period.
This publ ication may be verified at any time by contacting ADC’s Technical Assistance Cent er at 1-800-366-3891, ex tension 73475
(in U.S. A . or Canada) or 952-9 17-3475 (outside U.S.A. and Canada), or by e-mail to bcg_tac@adc. com .
Page ii
ADC Telecommunications, Inc.
P.O. Box 1101, Minneapolis, Minnesota 55440-1101
In U.S.A. and Canada: 1-800-366-3891
Outside U.S.A. and Canada: (952) 938-8080
Fax: (952) 917-1717
TABLE OF CONTENTS
Content Page
ABOUT THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
ADMONISHMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
GENERAL SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi
STANDARDS CERTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
LIST OF ACRONYMS AND ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
1 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 HOST UNIT DESCRIPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.2 RF Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.3 Optical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.4 Controller Area Network Interface Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.5 Service Interface Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.6 Powering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.7 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 HOST UNIT ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Interface Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 Wavelength Division Multiplexer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3 Coarse Wavelength Division Multiplexer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 INSTALLATION PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1 Before Starting Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.2 Unpacking and Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3 OSP Fiber Cable Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.4 HU Mounting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.5 Chassis Ground Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.6 Coaxial Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.7 WDM Mounting Procedure (Accessory). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.8 Optical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.9 Controller Area Network Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.10 EMS Computer Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.11 External Alarm System Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.12 DC Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.13 Installation Complete. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1 Host Unit Fan Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6 CUSTOMER INFORMATION AND ASSISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
ADCP-75-169 • Issue 1 • June 2004 • Preface
© 2004, ADC Telecommunications , Inc.
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ADCP-75-169 • Issue 1 • June 2004 • Preface
TABLE OF CONTENTS
Content Page
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© 2004, ADC Telecommunications , Inc.
ABOUT THIS MANUAL
This publication pro vides a basic descripti on of the Digi v ance 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 Operation and Maintenance
Manual (see Related Publications section). The rear access HU is installed in conjunction with
the Digivance Remote Unit.
RELATED PUBLICATIONS
Listed below are related manuals and their publication numbers. Copies of these publications
can be ordered by contacti ng the ADC T e chnical Assi stance Center at 1-800-366- 389, ext ension
73475 (in U.S.A. or Canada) or 1-952-917-3475 (outside U.S.A. and Canada).
Title ADCP Number
ADCP-75-169 • Issue 1 • June 2004 • Preface
Digiv ance LRCS SMR System with Version 3.01 EMS Software Operat ion
and Maintenance Manual 75-170
Digiv ance LRCS SMR Interface Panels User Manual 75-143
Digiv ance Coarse Wavelength Di vision Multiplex er User Manual 75-142
Digiv ance LRCS Dual-STM Systems Supplemental Manual 75-157
ADMONISHMENTS
Important safety admonishments are used thr oughout this manual to warn of possible hazards to
persons or equipment. An admonishment identifies a possible hazard and then explains what
may happen if the hazard is not avoided. The admonishments — in the form of Dangers,
Warnings, and Cautions — must be followed at all times. These warnings are flagged by use of
the triangular alert icon (seen below) and are listed in descending order of severity of injury or
damage and likelihood of occurrence.
Danger: Danger is used to indicate the presence of a hazard that will cause severe personal
injury, death, or substantial property damage if the hazard is not avoided.
Warning: Warning is used to indicate the presence of a hazard that can cause s evere personal
injury, death, or substantial property damage if the hazard is not avoided.
Caution: Caution is used to indicate the presence of a hazard that will or can cause minor
personal injury or property damage if the hazard is not avoided.
© 2004, ADC Telecommunications , Inc.
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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 loca tion or during a lightning storm.
STANDARDS CERTIFICATION
FCC: This equipment complies with the appl icable sections of Title 47 CFR Part 90 (SMR).
UL/CUL: This equipment complies with UL and CUL 50 Standard for Enclosures for
Electrical Equipment. This equipment provides the degree of protection specified by IP43 as
defined in IEC Publication 529.
FDA/CDRH: This equipment uses a Class 1 LASER according to FDA/CDRH Rules. This
product conforms to all appli cable standards of 21 CFR Part 1040.
IC: This equipment complies with the applic able secti ons of RSS-131. The term “IC:” be fore the
radio ce rtif i cat io n number onl y signi f ie s th at Indu str y Cana da Techn ica l Spe cif i cat io ns were met.
LIST OF ACRONYMS AND ABBREVIATIONS
The acronyms and abbreviations used in this manual are detailed in the following list:
AWG American Wire Gauge
C Centigrade
CAN Controller Area Network
CDRH Center for Devic es and Radiological Health
CUL Canadian Underwriters La boratories
CWDM Coarse Wavelength Division Multiplexer
DC Direct Curren t
DCE Data Communications Equipment
DIV Diversity
DTE Data Terminal Equipment
EBTS Enhanced Base Transceiver Station
EIA Electronic Industries Association
EMS Element Management System
ESD Electrostatic Dischar ge
F Fahrenheit
FCC Federal Communications Commission
FDA Food and Drug Administration
FWD Forward
HU Host Unit
IC Industry Canada
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© 2004, ADC Telecommunications , Inc.
ADCP-75-169 • Issue 1 • June 2004 • Preface
LED Light Emitting Diode
LPA Linear Power Amplifier
LRCS Long-Range Cov erage 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 Cente r
OSP Outsid e Plan t
PA Power Amplifier
REV Reverse
RF Radio Frequency
RMA Return Material Authorization
RU Remote U n it
SMR Specialized Mobile Radio
STM Spectrum Transport Module
UL Underwriters Laboratories
VDC Volts Direct Current
VSWR Voltage Standing Wave Ratio
WECO Western Electric Company
WDM Wave Divis i on Multiplexe r
© 2004, ADC Telecommunications , Inc.
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ADCP-75-169 • Issue A • June 2001 • Preface
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© 2004, ADC Telecommunications , Inc.
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 R emote Unit (RU). The HU consists of
an electro nic chassis as sembly that m ounts in a st andard equipm ent rack. Th e 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 comp rise an L RCS system. Various ac cessory
items are also available for use with the basic L RC S s ystem. All items refe renced as “accessory
items” are not furnished with the basi c system and must be purchased separately.
2 HOST UNIT DESCRIPTION
The HU, shown in Figure 1, consists of an electronic circuit board assembly and a fan assembly
that are m oun t ed within a powd er-pai n t co at ed s heet metal en cl os u re. Th e en cl osur e p ro vides a
mounting point for the circuit board and fan assemblies and controls RF emissions. The only
user-replaceable component is the fan assembly. The HU is designed for use within a noncondensing indoor environment such as inside a wiring closet or cabinet. The RF connectors,
optical connectors, alarm output connectors, DC power terminal strip, and grounding lug are
mounted on the HU rear side. The On/Off power switch, LED indicators, service interface
connector , and Contr oller Area Networ k (CAN) connectors are mounted on the HU front panel.
ADCP-75-169 • Issue 1 • June 2004
2.1 Mounting
The HU is intended for rack-mount applications. A pair of reversible mounting brackets is
provided that allow the HU to be mounted in either a 19-inch or 23-inch EIA or WECO
equipment rack. When installed, the front panel of the HU is flush with the front of the rack.
Screws are provided for securing the HU to the equipment rack.
3.5 INCHES
(88 mm)
12.2 INCHES
(311 mm)
17.1 INCHES
(433 mm)
Figure 1. Host Unit
FRONT PANEL
MOUNTING
BRACKET
(BOTH SIDES)
17857-A
© 2004, ADC Telecommunications , Inc.
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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 single HU, it will usually be
necessary to install a Primary Interface Panel and an Expansion Panel (accessory items) to
support the interface between the HU and the EBTS. The HU should be as close as possible to
the EBTS to mini mize cab le losses.
2.3 Optical Connection
Optical connections between the HU and the RU (STM) are supported through either two (nondiversity unit) or three (diversity unit) SC-type optical connector ports. On non-diversity units,
one port is used for connecting the forward path optical signal and the other port is used for
connecting the primary reverse path optical signal. On diversity units, a third optical port is used
for connecting the di versity reverse path optical signal.
2.4 Controller Area Network Interface Connection
Controller Area Network (CAN) interface connections between multiple HU’s are supported by
a pair of RJ-45 jacks. One of the jacks is designated as the network IN port and the other jack is
designated as the network OUT port. The CAN interface allows up to 24 HU’s to be connected
together (in daisy- chain fashion) and controlled through a single EMS computer.
2.5 Service Interface Connection
The service interface connection between the HU and the EMS computer is supported by a
single DB-9 female conne ctor. The ser vice connector provides an RS-232 DTE inte rface. When
multiple HU’s are networked together, the supporting EMS computer may be connected to the
service connector of any one of the networked HU’s.
2.6 Powering
The HU is powered by ± 21 to ± 60 VDC power (nominal ± 24 or ± 48 VDC). The power is fed to
the HU through a screw-down type terminal strip located on the rear side of the unit. Power to
the HU must be supplied through a fuse panel such as the PowerWorx 20-position GMT fuse
panel (available separately). The power circuit for each HU must be protected with a 3 Amp
GMT fuse. An On/Off switch is provided on the HU front panel.
2.7 User Interface
The HU user interface consi sts of the v arious connectors, switches, termi nals, and LEDs that are
provided on the HU front a nd rear panels. The HU user interface points are indicated in Figure 2
and described in Table 1.
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© 2004, ADC Telecommunications , Inc.
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