CommScope ION-U H 17P2 User Manual

DRAFT
®
ION
-U
H 17P2 Remote Unit
MF0200A0A
DISCLAIMER: This document has been developed by CommScope, and is intended for the use of its
customers and customer support personnel. The information in this document is subject to change without notice. While every effort has been made to eliminate errors, CommScope disclaims liability for any difficulties arising from the interpretation of the information contained herein. The information contained herein does not claim to cover all details or variations in equipment, nor to provide for every possible incident to be met in connection with installation, operation, or maintenance. This document describes the performance of the product under the defined operational conditions and does not cover the performance under adverse or disturbed conditions. Should further information be desired, or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, contact CommScope.
CommScope reserves the right to change all hardware and software characteristics without notice.
COPYRIGHT: © Copyright 2013 CommScope Inc. All Rights Reserved. This document is protected by copyright. No part of this document may be reproduced,
stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical photocopying, recording, or otherwise without the prior written permission of CommScope.
TRADEMARKS All trademarks identified by ® or ™ are registered trademarks or trademarks, respectively, of
CommScope. Names of products mentioned herein are used for identification purposes only and may be trademarks and / or registered trademarks of their respective companies.
Andrew Wireless Systems GmbH, 19-July-2013
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Table of contents
TABLE OF CONTENTS
1.GENERAL 6
1.1. USED ABBREVIATIONS 6
1.2. HEALTH AND SAFETY WARNINGS 7
1.3. ABOUT COMMSCOPE 10
1.4. INTERNATIONAL CONTACT ADDRESSES FOR CUSTOMER SUPPORT 11
2.INTRODUCTION 14
2.1. PURPOSE 14
2.2. ION-U HIGH POWER REMOTE UNITS 14
3.FUNCTIONAL DESCRIPTION 15
3.1.1. eCPD+ (Enhanced Channel Power Detector plus) 15
3.1.2. Fan Protection Kit 15
3.1.3. Accessories 15
4.COMMISSIONING 16
4.1. HIGH POWER RU MECHANICAL INSTALLATION 16
4.1.1. General 16
4.1.2. Wall-Mounting Procedure 18
4.1.3. Pole Mounting Procedure 19
4.1.4. Mounting of Fan Protection 20
4.2. ELECTRICAL INSTALLATION 22
4.2.1. General 22
4.2.2. Connections 23
4.2.3. Grounding (Earthing) 25
4.2.4. Connection of the Antenna Cable 25
4.2.5. Mains Power Connection 27
4.2.6. Extension Unit Port Connection 28
4.2.7. Ext. Alarm In / Out Port 29
4.2.8. RS 485 /+28 V Port 30
4.2.9. Local Interface Port 30
4.2.10. Optical-Fiber Cable Connection 31
4.2.11. Assembly Instructions for Optical LC Patch Cables 32
4.2.11.1. Assemble Optical Opus Short Plug Components 33
4.2.11.2. Connect Opus short plug to RU 35
4.2.11.3. Disconnect Opus Short Plug from RU 36
4.3. COMMISSIONING 37
5.ALARMS 40
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Table of contents
5.1. BITE AND ALARMS 40
5.2. HANDLING OF ALARMS 40
5.3. ALARM STATUS 40
5.4. STATUS LED ALARMS 40
5.5. EXTERNAL ALARM INPUTS AND OUTPUTS 42
5.6. TROUBLESHOOTING 43
6.MAINTENANCE 44
6.1. GENERAL 44
6.2. REPLACING THE FAN UNIT 45
6.3. CLEANING THE HEAT SINK 47
7.APPENDIX 48
7.1. ILLUSTRATIONS 48
7.2. SPECIFICATIONS 51
7.3. SPARE PARTS 51
8.INDEX 52
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figures and tables
FIGURES AND TABLES
figure 3-3 Shroud with RU and EU ............................................................................. 15
figure 4-1 Wall Mounting .......................................... ................................................... 18
figure 4-2 Pole mounting kit ........................................................................................ 19
figure 4-3 Pole mounting drawing ............................................................................... 20
figure 4-4 Mounting procedure for fan protection ....................................................... 21
figure 4-5 ION-U H 17P2 Connectors ................................................................. ........ 23
figure 4-6 Grounding bolt ............................................................................................ 25
figure 4-7 Grounding bolt, schematic view ................................................................. 25
figure 4-8 Antenna port to CBC wiring ............................................................. ........... 26
figure 4-9 Mains power connector .............................................................................. 27
figure 4-10 Mains power cable - AC ........................................................................... 28
figure 4-11 EU (Extension Unit) connector ................................................................. 28
figure 4-12 Extension unit cable bridge ...................................................................... 29
figure 4-13 Alarm Connector ...................................................................................... 29
figure 4-14 RS485 /+28 VDC Connector .................................................................... 30
figure 4-15 Local Interface Connector ........................................................................ 30
figure 4-16 Contents of the Opus Short Plug kit ......................................................... 32
figure 4-17 LC/APC patch cable requirements ........................................................... 33
figure 4-18 Opus short plug gasket and nut ............ ................................................... 33
figure 4-19 Simplex split gasket ................................................................................. 34
figure 4-20 Duplex split gasket ................................................................................... 34
figure 4-21 Simplex Cavity A .............................................................................. ........ 34
figure 4-22 Duplex Cavity A & B ................................................................................. 34
figure 4-23 Assemble Opus short plug .................................................... ................... 35
figure 4-24 Insert LC connector plug into plug body .................................................. 35
figure 4-25 Tighten Opus short plug adapter nut ....................................................... 35
figure 4-26 Remove Opus short plug protective cap .................................................. 35
figure 4-27 Insert Opus short plug into RU receptacle ............................................... 36
figure 4-28 Disconnect Opus short plug from RU ...................................................... 36
figure 5-1 Alarm triggering ........................ .... ... ........ .... .... .... .... .... ........ .... .... .... ... .... .... 41
figure 5-2 Alarm inputs and outputs, standard . .... ... ........ .... .... .... .... .... .... .... .... ... ........ 42
figure 7-1 Installation drawing-front and rear views ........................ ........................... 48
figure 7-2 Installation drawing-side views ................................................ ................... 49
figure 7-3 Installation drawing-short version .............................................................. 50
table 1-1 List of international contact addresses ........................................................ 13
table 4-1 Specified torques .............................................................. .... ........ .... ... .... .... 17
table 4-2: ION-U High Power RU Connectors ............................................................ 24
table 4-3 AC power cable ......... .... ........ .... .... .... .... ... .... .... ........ .... .... .... .... .... .... ... ........ 28
table 4-4 EU Connector ................ ........ .... .... .... ... .... .... .... ........ .... .... .... .... .... ... .... ........ 28
table 4-5 Alarm Connector ................................... ....................................................... 29
table 4-6 RS485/+28V .................................. .... ... .... ........ .... .... .... .... .... .... .... ....... .... .... 30
table 4-7 Local Interface Connector ............................ .... .... .... .... .... .... ........ ... .... .... .... 30
table 5-1 Status LED alarms ................................................ ....................................... 41
                                 
        
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1. General
1.1. Used Abbreviations
AC/DC Alternating current / Direct Current AIMOS Andrew Integrated Management and Operating System ALC Automatic Level Control BITE Built-In Test Equipment BTS Base Transceiver Station CDMA Code Division Multiple Access CE "Conformité Européenne" ("European Conformity") CPD Channel Power Detection DL Downlink DoC Declaration of Conformity dSMR Measurement Receiver EP Extension Port ESD Electrostatic Discharge EU Extension Unit GSM Global System for Mobile Communication GND Ground (Earth) GUI Graphical User Interface ICP3 Intercept Point 3 ID No Identification Number IFC Interface Card ION Intelligent Optical Network LED Light Emitting Diode LMT Local Maintenance Terminal LTE Long Term Evolution MIMO Multiple Input Multiple Output MS Mobile Station MU Main Unit NF Noise Figure OMC Operations and Maintenance Center OTRx Optical Transceiver = SRMU (Subrack Master Unit) PDU Power Distribution Unit PIM Passive Intermodulation
Input power
P
in
Output power
P
out
PSU Power Supply Unit Rev Revision RF Radio Frequency RU Remote Unit RX Receiver SISO Single Input Single Output SM Site Manager SMTX Sector Matrix Module SNMP Simple Network Management Protocol SRC Subrack Controller TX Transmitter UL Uplink UMTS Universal Mobile Telecommunication System UPS Uninterruptible Power Supply VSWR Voltage Standing Wave Ratio WCDMA Wideband Code Divis i on Multiple Access WDM Wavelength Division Multiplex XML Extensible Markup Language ZCMB Zone Combiner Module
rd
order
1. General
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1. General
1.2. Health and Safety Warnings
1. Danger: Obey all general and regional installation and safe ty regulations relating to work on high voltage installa tions, as well as regulations covering correct u se of tools and personal protective equipment.
2. Danger: Laser radiation! Do not stare into the beam; do not view it directly or with optical instruments.
3. Danger: Before opening the unit, disconnect mains power.
4. Danger: Due to power dissipation, the remote unit may reach a very high temperature. Do not operate this equipment on or close to flammable materials. Use caution when servicing the unit.
5. Warning: Read and obey all the warning labels attached to the unit. Make sure that all warning labels are kept in a legible condition. Replace any missing or damaged labels.
6. Warning: It is the responsibility of the network provider to implement prevention measures to avoid health hazards associated with radiation from the antenna(s) connected to the unit.
7. Warning: Make sure, access is r estricted to qualified personnel.
8. Warning: Only license holders for the respective frequency range are allowed to operate this unit.
9. Warning: Make sure the repeater settings are correct for the intended use (refer to the manufacturer product information) and regulatory requirements are met.
10. Warning: Use this equipment only for the purpose specified by the manufacturer. Do not carry out any modifications or fit any spare parts, which are not sold or recommended by the manufacturer. This could cause fires, electric shock, or other injuries.
11. Warning: For installations, which have to comply with FCC RF exposure requirements, the antenna se lection and installation must be compl eted in a way to ensure compliance with those FCC requirements. Depending on the RF frequency, rated output power, antenna gain, and the loss between the repeater and antenna, the minimum distance D to be maintained between the antenna location and human beings is calculated according to this formula:
P
][
D
][
cm
4
mW
PD
2
]/[
cmmW
where
P (mW) is the radiated power at the antenna, i.e. the max. rated repeater
output power in addition to the antenna gain minus the loss between the repeater and the antenna.
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1. General
PD (mW/cm²) is the allowed Power Density limit acc. to 47 CFR 1.1310 (B)
for general population / uncontrolled exposures which is
o F (MHz) / 1500 for frequencies from 300MHz to 1500MHz o 1 for frequencies from 1500MHz to 100.000MHz
RF exposure compliance may need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of 1.1307(b)(3).
12. Warning: For installations which have to comply with Europe an EN50385 exposure compliance requirements, th e following Power Density limits/guidelines (mW/cm²) according to ICNIRP are valid:
o 0.2 for frequencies from 10 MHz to 400 MHz o F (MHz) / 2000 for frequencies from 400 MHz to 2 GHz o 1 for frequencies from 2 GHz to 300 GHz
13. Caution: Keep operating instructions within easy reach and make them available to all users.
14. Caution: Corresponding local particularities and regulations must be observed. For national deviations, please refer to the respective documents included in the manual CD that is delivered with the unit.
15. Caution: Although the remote unit is internally protected against overvoltage, it is strongly recommended to ground (earth) the antenna cables close to the repeater’s antenna connectors for protection against atmospheric discharge.
16. Caution: ESD precautio ns must be observed! Before commencing maintena nce work, use the available grounding (earthing) system to connect ESD protection measures.
17.
Caution: Installation of this equipment is in full responsibility of the installer, who has also the responsibility, that cables and couplers are calculated into the maximum gain of the antennas, so that this value, which is filed in the FCC Grant and can be requested from the FCC data base, is not exceeded. The industrial boosters are shipped only as a naked booster without any installation devices or antennas as it needs for professional installation.
18. Note: For a Class A digital device or peripheral: This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
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1. General
19. Note: This unit complies with European standard EN60950.
Equipment Symbols Used
Please observe the meanings of the following symbols used in our equipment:
Symbol Compliance Meaning
WARNING. This is NOT a CONSUMER device. It is designed for installation by FCC LICENSEES and QUALIFIED INSTALLERS. You MUST have an FCC LICENSE or
--- FCC
express consent of an FCC Licensee to operate this device. Unauthorized use may result in significant forfeiture penalties, including penalties in excess of $100,000 for each continuing violation.
Alert sign to R&TTE To be sold exclusively to mobile operators or
---
authorized installers – no harmonised frequency bands, operation requires license
Intended use: EU and EFTA countries Indicates conformity with the R&TTE
Symbol
directive 1999/5/EC certified by the notified body no. 0700.
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1. General
1.3. About CommScope
CommScope is the foremost supplier of one-stop, end-to-end rad io frequency (RF) solutions. Part of the CommScope portfolio are complete solutions for wireless infrastructure from top-of-the-tower base station antennas to cable systems and cabinets, RF site solutions, signal distribution, and network optimization.
CommScope has global engineering and manufacturing facilities. In addition, it maintains field engineering offices throughout the world.
Andrew Wireless Systems GmbH based in Buchdorf/ Germany, which is part of CommScope, is a leading manufacturer of coverage equipment for mobile radio
networks, specializing in high performance, RF and optical repeaters. Our optical distributed networks and RF repeater systems provide coverage and capacity solution for wireless networks in both indoor installations and outdoor environments, e.g. tunnels, subways, in-trains, airport buildings, stadiums, skyscrapers, shopping malls, hotels and conference rooms.
Andrew Wireless Systems GmbH operates a quality management system in compliance with the requirements of ISO 9001 and TL 9000. All equipment is manufactured using highly reliable material. To maintain highest quality of the products, comprehensive quality monitoring is conducted at all fabrication stages. Finished products leave the factory only after a thorough final acceptance test, accompanied by a test certificate guaranteeing optimal operation.
This product meets the requirements of the R&TTE directive and the Declaration of
Conformity (DoC) itself. A current version of the CE DoC is included in this manual CD delivered *. Any updated version of the DoC is available upon request from the local sales offices or directly from CommScope via the local Customer Support at one of the addresses listed in the following chapter.
According to the DoC, our "CE"-marked equipment can be used in all member states of the European Union.
Note: Exceptions of and national deviations from this intended use may be
possible. To observe corresponding local particularities and regulations, please refer to the respective documents (also in national language) which are included in the manual CD delivered.
* In case the Declaration of Conformity (DoC) for the product was not included in the manual CD
delivered, it is available upon request from the local sales offices or directly from CommScope at one of the addresses listed in the following chapter.
To make the most of this product, we recommend you carefully read the instructions in this manual and commission the system only according to these instructions.
For technical assistance and support, please also contact the local office or CommScope directly at one of the addresses listed in the following chapter.
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1. General
1.4. International Contact Addresses for Customer Support
Americas:
Canada
CommScope Canada Andrew LLC, A CommScope Company
505 Consumer s Road, Suite 803
Mail
Phone Fax +1-905-878-3297 Fax +1-919-329-8950
E-mail
Mail
Phone Fax + 55-15-2102-4001 Fax +52-55-1346-1901
E-mail wisupport@commscope.com E-mail wisupport@commscope.com
Toronto M2J 4V8 Canada
+1-905-878-3457 (Office) +1-416-721-5058 (Cell)
Peter.Masih@commscope.com, wisupport@commscope.com
Caribbean & South American Region
(CALA)
CommScope Cabos do Brasil Ltda. CommScope Mexico S.A. de C.V.
CALA Tech Support for Distributed Coverage & Capacity Solutions (DCCS) products:
Rua Guaporanga, 49 Praça Seca – Rio de Janeiro – RJ ZIP: 21320-180 Brazil
+1-815-546-7154 (Cell) +55-15-9104-7722 (Office)
Mail
Phone +1-888-297-6433
E-mail wisupport@commscope.com
Caribbean (CALA) & Central American Region
Mail
Phone
620 North Greenfield Parkway Garner, NC 27529 U.S.A.
CALA Tech Support for Distributed
Coverage & Capacity Solutions (DCCS) products:
Av. Insurgentes S ur 68 8, Pi s o 6 Col. Del Valle, CP: 03100 Mexico City Mexico
+52-1-55-5419-5260 (Cell) +52-55-1346-1900 (Office)
United States
APAC Countries:
China, India and Rest of Asia
Australia & New Zealand
Andrew International Corporation Andrew Corporation (Australia) Pty Ltd.
Room 915, 9/F Chevalier Commercial Centre
Mail
Phone +852-3106-6100 Phone +613-9300-7969 Fax +852-2751-7800 Fax +613-9357-9110
E-mail wisupport.China@commscope.com E-mail wisupport.Australia@commscope.com
7.Manual MF0200A0A ION-U_H_17P2_uc_19-July-13.docx User’s
8 Wang Hoi Rd Kowloon Bay Hong Kong
®
Unit 1 153 Barry Ro ad
Mail
Campbellfield VIC 3061 Australia
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A
A
1. General
Europe:
United Kingdom
Andrew Wireless Systems UK Ltd
Unit 15, Ilex Building Mulberry Business Park
Mail
Phone +44-1189-366-792 Phone + 47 32-12-3530 Fax +44-1189-366-773 Fax + 47 32-12-3531 E-mail wisupport.uk@commscope.com E-mail wisupport@commscope.com
Mail
Phone +49-9099-69-0 Phone +33-1 82 97 04 00 Fax +49-9099-69-930 Fax +33-1 47 89 45 25
Fishponds Road Wokingham Berkshire RG41 2GY England
Germany
Andrew Wireless Systems GmbH CommScope France
Industriering 10 86675 Buchdorf Germany
Mail
Mail
Scandinavia
ndrew Norway (AMNW)
P.O. Box 3066 Osloveien 10 Hoenefoss 3501 Norway
France
Immeuble Le Lavoisier 4, Place des Vosges 92052 Courbevoie France
E-mail wisupport@commscope.com E-mail wisupport@commscope.com
Austria
Andrew Wireless Systems (Austria) GmbH CommScope Wireless Systems AG
Weglgasse 10
Mail
Phone +43-1706-39-99-10 Phone +41-62-386-1260 Fax +43-1706-39-99-9 Fax +41-62-386-1261
E-mail wisupport.austria@commscope.com E-mail wisupport.ch@commscope.com
Mail
Phone +39-0546-697111 Phone +34-91-745-20 40 Fax +39-0546-682768 Fax +34-91-661-87 02 E-mail wisupport.italia@commscope.com E-mail wisupport.iberia@commscope.com
2320 Wien-Schwechat Austria
Italy
CommScope Italy S.r.l., Faenza, Italy
Via Mengolina, 20 48018 Faenza (RA) Italy
Mail
Iberia Region - Spain & Portugal
A CommScope Company
Avda. de Europa, 4 - 2ª pta.
Mail
Parque Empresarial de la Moraleja Alcobendas, Madrid 28108 Spain
Switzerland
Tiergartenweg 1 CH-4710 Balsthal Switzerland
ndrew España S.A.
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1. General
Czech Republic
CommScope Solutions Czech Republic
C-Com, spol. s r.o
U Moruší 888
Mail
Phone Fax +49 871 9659172 E-mail wisupport@commscope.com
53006 Pardubice Czech Republic
+49 871 9659171 (Office) +49 171 4001166 (Mobile)
Africa & Middle East :
Middle East & North Africa
South Africa
CommScope Solutions International Inc.
(Branch)
PO Box 48 78 22 Unit 3206, Floor 32,
Mail
Phone +971 4 390 09 80 Phone + 27 11-719-6000 Fax +971 4 390 86 23 Fax + 27 11-444-5393
E-mail wisupport@commscope.com E-mail wisupport@commscope.com
Jumeirah Business Center 5, Jumeirah Lakes Towers, Dubai United Arab Emirates
Andrew Wireless Solutions Africa (PTY)
LTD
11 Commerce Crescent West Eastgate, Sandton
Mail
PO Box 786117 Sandton 214 6 South Africa
table 1-1 List of international contact addresses
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2. Introduction
2. Introduction
2.1. Purpose
Mobile telephone and public safety systems transmit signals in two directions between base transceiver station (BTS) and mobile stations (MS) within the signal coverage area to carry voice and data traffic.
If weak signal transmissions occur within the coverage area because of indoor applications, topological conditions or distance from the transmitter, extension of the transmission range can be achieved by means of an optical distributed antenna system (DAS).
Office buildings, sports arenas, college campuses, industrial parks, and other areas of high demand require the specialized capacity boost that an optical DAS can provide to meet increasing customer demands for voice and data.
An optical DAS contains optical Master Units and a sufficient number of Remote Units to provide the necessary coverage. The number of the Remote Units depends on the coverage requirements of the DAS. The Remote Units are connected to the Master Unit with optical links.
The Master Unit is the connection to the Base Transceiver Stations. The configuration of a Master Unit depends on the number of the Remote Units and the frequency range.
RF signals are transported to and from the remote units via optical fibers.
2.2. ION-U High Power Remote Units
The ION-U is an optical fiber based DAS system that efficiently takes the outputs of multiple Base Transceiver Stations (BTS) sectors and converts those RF signals to optical to send them over fiber optic cables to remote units to provide coverage in indoor and outdoor locations. The system supports both low power and high power remotes units and SISO and MIMO operation.
The ION-U H 17P2 is a multi-band, multi-operator high power remote unit optimized for CDMA2000, EV-DO, WCDMA, HSDPA, and OFDM modulation in the 1700 MHz band. It is provisioned for future modulation and frequency bands. These Remote Units feature independent downlink and uplink gain adjustments and an integrated channel power detector for in-band spectrum and PIM analysis and end-to-end auto leveling.
The unit utilizes a single fiber to support multiple bands in both the uplink and downlink directions. WDM (Wave Division Multiplex) filters are integrated in the optical modules. For the UL, a wavelength within 1546 nm – 1550 nm is used. For the DL, a wavelength of 1310 ±10 nm is used. The maximum output power for the UL and DL is 6.7 mW.
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3. Functional Description
3. Functional Description
3.1.1. eCPD+ (Enhanced Channel Power Detector plus)
The enhanced Channel Power Detector plus (eCPD+) is a remote-controlled data acquisition system for monitoring the RF output power of the RU at the air interface. These measurements are monitored by the master unit.
3.1.2. Fan Protection Kit
In order to protect the fan unit in outdoor use (e.g. against rain), a protective cover is delivered with the unit that can be mounted over the fan unit. For indoor applications, mounting of the fan protection kit is not mandatory.
3.1.3. Accessories
A number of accessories are available for the Remote Unit such as shrouded housing, connecting boxes, and iso-trafo kits.
A short version of the Remote Unit designed to be mounted in a protective shroud is also available. The shroud provides protection for the Remote Unit, an Extension Unit, and an optional cross-band coupler. The short versions of the RU and EU are required when using the shroud.
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figure 3-1 Shroud with RU and EU
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4. Commissioning
4. Commissioning
4.1. High Power RU Mechanical Installation
4.1.1. General
Read the health and safety warnings in chapter 1.2.
1. Warning: Do not install the unit in a way or at a place where the specifications outlined in the Environmental and Safety Specifications leaflet of the supplier are not met.
2. WARNING: IMPROPER INSTALLATION CAN LEAD TO EQUIPMENT FALLING CAUSING SERIOUS PERSONAL INJURY OR DAMAGE TO EQUIPMENT. Installer must verify that the supporting surface will safely support the combined load of the electronic equipment and all attached hardware and components. The supporting wall should be solid wood or concrete using appropriate screws and dowels (wall anchors).
3. Warning: Use proper mounting hardware depending on the structure of e.g.
the wall where the unit will be installed. It is recommended to only use the mounting hardware delivered by the manufacturer. If another type of mounting hardware is used, observe that the specifications for stationary use of the repeater must not be exceeded.
Note: Exceeding the specified load limits may cause the loss of warranty!
4. Warning: The unit is considerably heavy. Make sure that a suitable mounting surface is used. Ensure there is adequate manpower to handle the weight of the system.
5. Caution: Due to power dissipation, the Remote Unit may reach a very high temperature. Ensure sufficient airflow for ventilation.
6. Note: When connecting and mounting the cables (RF, optical, mains, ...) ensure that no water can penetrate into the unit through these cables.
7. Note: Observe all additional rules or restrictions regarding mounting that apply to specific Remote Unit types.
8. Note: Observe all additional rules or restrictions regarding mounting that apply to specific Remote Unit types. For details refer to the mechanical specifications in the data sheet for the unit. Install the unit vertically with the fan unit at the top. A maximum tilt angle of 25° from a vertical position must be maintained, as shown in the following illustrations:
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