CommScope ION-U H 17P2 User Manual

DRAFT

®

ION

-U

H 17P2 Remote Unit

User's Manual

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

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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 [phone] Fax [phone]

E-mail

Mail

Phone
Fax + 55-15-2102-4001 Fax [phone]

E-mail [e-mail] E-mail [e-mail]

Toronto M2J 4V8
Canada

[phone] (Office)
[phone] (Cell)

[e-mail],
[e-mail]

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

[phone] (Cell)
[phone] (Office)

Mail

Phone [phone]

E-mail [e-mail]

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

[phone] (Cell)
[phone] (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 [phone] Phone [phone]
Fax [phone] Fax [phone]

E-mail [e-mail] E-mail [e-mail]

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

Page 11

A

A

1. General

Europe:

United Kingdom

Andrew Wireless Systems UK Ltd

Unit 15, Ilex Building
Mulberry Business Park

Mail

Phone [phone] Phone + 47 32-12-3530
Fax [phone] Fax + 47 32-12-3531
E-mail [e-mail] E-mail [e-mail]

Mail

Phone [phone] Phone [phone]
Fax [phone] Fax [phone]

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 [e-mail] E-mail [e-mail]

Austria

Andrew Wireless Systems (Austria) GmbH CommScope Wireless Systems AG

Weglgasse 10

Mail

Phone [phone] Phone [phone]
Fax [phone] Fax [phone]

E-mail [e-mail] E-mail [e-mail]

Mail

Phone [phone] Phone [phone]
Fax [phone] Fax [phone]
E-mail [e-mail] E-mail [e-mail]

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 [phone]
E-mail [e-mail]

53006 Pardubice
Czech Republic

[phone] (Office)
[phone] (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 [phone] Phone + 27 11-719-6000
Fax [phone] Fax + 27 11-444-5393

E-mail [e-mail] E-mail [e-mail]

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

Page 15

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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9. A spacing of 40 mm (1.66 inch) around the unit is required.

10. To ensure sufficient airflow when mounting the unit in enclosed spaces, two
lid openings (one for the air inlet and the other for the air outlet) must be
provided. Do not block these air inlets and outlets when mounting the
remote unit. The size of each opening must equal at least 12 x 12 cm (144
cm2). Ensure that there is no thermal short circuit between the air inlet and
air outlet.

If any different or additional mounting material is used, ensure that the mounting
remains as safe as the mounting designed by the manufacturer. Ensure that the
static and dynamic strengths are adequate for the environmental conditions of the
site. The mounting itself must not vibrate, swing or move in any way that might cause
damage to the Remote Unit.

Specified torques must be observed for certain mounting procedures according to the
following table:

Type

Thread
Specified torques

Tallow-drop

screws

M 4 M 8 M 4 M 8 PG 13.5 PG 29

3.3 Nm 27 Nm 2.3 Nm 27 Nm 3.75 Nm 10 Nm

Hex

nuts

Spacing

bolts

PG

(plastic)

PG

(aluminium)

table 4-1 Specified torques

The mounting procedures for a stand-alone remote unit without optional accessories
are described and illustrated in the following sections. For further information
regarding special mounting procedures including mounting of accessory equipment,
please see the separate accessories manual.

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4.1.2. Wall-Mounting Procedure

 Check the suitability of the wall-mounting kit and the wall.

1. Mark the position of the drilling
holes (for measurements refer to
(figure 4-1 Wall Mounting). Drill
four holes at the marked positions
and insert dowels*.

 Use a cap nut or lock nut to screw

the four dowel screws into the
dowels and put the distance tubes
over the screws.

 Hang the mounting brackets of the

remote unit into the screws, and
fasten them immediately using the
washers an d nu ts.

 Ensure that there is free a ccess to

the electrical connections as well
as to the cabinet. The approved
bending radius of the connected
cables must not be exceeded.

4. Commissioning

figure 4-1 W a l l Mounting

* The dowels are not included with the delivery because the suitable type depends on the on-site

conditions (material of wall). Use dowels or other fasteners that are the most appropriate for the
mounting surface.

It is the responsibility of the installer to verify that the supporting surface will
safely support the combined load of the electronic equipment and all attached
hardware and components and to ensure that the RU is safely and securely
mounted.

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4.1.3. Pole Mounting Procedure

Standard mounting hardware cannot be used to mount the remote unit to a pole, a
column, or other similar structures. Additional hardware must be used for this type of
installation. The pole-mounting kit includes two mounting brackets with screw band
(worm gear) clamps to mount the brackets to the pole and two nuts, flat washers, and
lock washers per bracket to attach the remote unit to the bracket.

Lock for screw band

Slotted screw to
tighten clamp

Mounting bracket 1 with screw clamp

Flat washer
Lock washer
Nut

Mounting bracket 2 with screw clamp

 Use the screw bands to fasten the two brackets to the pole as illustrated in figure

4-3 Pole mounting drawing.

 Place the bands around the pole or post and feed the loose end into the lock as

shown and tighten the slotted screw securely. When the screw is turned
clockwise, it acts as a worm drive pulling the threads of the band causing the
band to tighten around the pole.



Note: When fastening the brackets make sure that they are installed

congruently and not at an angle to each other. To determine the
distance between the clamps refer to figure 4-1 Wall Mounting for
measurements.

 Hang the remote unit mounting brackets onto the threaded bolts of the bracket,

and fasten them using the flat washers, spring (lock) washers and M8 nuts.

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figure 4-2 Pole mounting kit

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4. Commissioning

Nut M8 DIN 934

Optical remote unit

figure 4-3 Pole mounting drawing

Ensure that there is free access to the electrical connections as well as to the
cabinet. The approved bending radius of the connected cables must not be
exceeded.

4.1.4. Mounting of Fan Protection

Fan protection is required for the outdoor usage of a stand-alone remote unit.
Mounting of the optional fan protection is described below.

 To install the p rotective cove r of the fan protection kit, first remove the four screws

with their respective lock washers from the cover of the air inlet of the remote unit,
and replace them with four spacing bolts M4.0x30 with the four lock washers
M4.0 DIN125 that are part of the fan protection kit.

 Place the protective cover into position by aligning its four bore holes over the

spacing bolts and fasten it using the original lock washers and screws of the
remote unit. (These lock washers and screws are also part of the fan protection
kit and can be used as spare parts in case of loss.)

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figure 4-4 Mounting procedure for fan protection

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4.2. Electrical Installation

4.2.1. General

Read the health and safety warnings in chapter 1.2.

1. Warning: This unit contains dangerous voltages. Loss of life, severe personal
injury, or property damage can be the result if the instructions contained in this
manual are not followed.

2. Caution: It is compulsory to ground (earth) the unit before connecting the power
supply. A grounding bolt is provided on the cabinet to connect the ground-bonding
cable.

3. Caution: Although the remote unit is internally protected against overvoltage, it is
strongly recommended to ground (earth) the antenna cables close to the antenna
connectors of the remote unit for protection against atmospheric discharge. In
areas with strong lightning, it is strongly recommended to install additional
lightning protection.

4. Caution: If the mains connector of the remote unit is not easily accessible, a
disconnect device in the mains power circuit must be provided within easy reach.

5. Caution: Before connecting or disconnecting the mains connector at the remote
unit, ensure that mains power supply is disconnected.

6. Caution: Make sure that an appropriate circuit breaker acting as a disconnect
device (as required by IEC/EN60950-1) and an overcurrent limiting device are
connected between mains power and the Remote Unit.

7. Caution: A connection of the mains supply to a power socket requires the power
socket to be nearby the remote unit.

8. Caution: Incorrectly wired connections can destroy electrical and electronic
components.

9. Caution: To avoid corrosion at the connectors caused by electrochemical
processes, the material of the cable connectors must not cause a higher potential
difference than 0.6 V (see electrochemical contact series).

10. Note: Use an appropriate torque wrench to tighten the 7/16 DIN-type (1 ¼ -inch
opening) antenna connectors to a coupling torque of 25 N-m / 19 ft lb. Torque
wrench item no. 244377, available from the CommScope e-catalog, is
recommended. Do NOT use your hands or any other tool (e. g. a pair of pliers)!
This might cause damage to the connector and lead to a malfunction of the
Remote Unit or increased PIM.

11. Caution: For unstabilized electric networks, which frequently generate spikes, the
use of a voltage limiting device is advised.

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A

12. Caution: The unit complie s with the surge requirement accord ing to EN 61 000-4-
5 (fine protection); however, installation of an additional medium (via local supply
connection) and/or coarse protection (external surge protection) is recommended
depending on the individual application in order to avoid damage caused by
overcurrent.

13. Caution: Observe the labels on the front panels before connecting or
disconnecting any cables.

4.2.2. Connections

The ION-U RU ports and connectors shown below are located at the base of the RU.

B

G

H

C

F

figure 4-5 ION-U H 17P2 Connectors

D

E

I

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ION-U High Power RU Connectors/Indicators

Port/Conn Purpose Type

A

This connector is used to interconnect to an

EU

extension unit to provide additional bands of
coverage.

Radiall Opus

M424400-

003

This connector is used to connect an optical fiber

B

OPTICAL

cable to receive downlink signals from and to
send uplink signals back to the OTRx module of

Radial Opus

LC-APC 8°

the ION-U master unit.

EXTERNAL

C

D

E

INTERFACE

F

G

H

ALARM

IN/OUT

RS 485 /

+28V

LOCAL

ANT

Grounding

Bolt

MAINS

This connector provides two alarm contact inputs
and two alarm contact outputs.

This connector provides RS 485 communications
and +28 VDC power (500 mA)

This port is used for a local connection to a
laptop PC.

This connector is used for transmitting and
receiving signals to and from an antenna,
antenna splitter, or cross-band coupler.

Ground (earth) bolt for connecting the mandatory
ground cable to the RU

This connector provides the power to RU models
that use standard AC (100 to 240 Vac) power.

Binder 712

series

8-pin

Binder 712

series

5-pin

RJ45

7/16 DIN

type female

M8 bolt, hex

nut, &

washers

Coninvers

M17 –Series

P20, 4-Pin

This LED provides a visual warning of an alarm

I

STATUS

condition. The color of the LED indicates the
severity of the alarm.

LED

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table 4-2: ION-U High Power RU Connectors

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4.2.3. Grounding (Earthing)

The RU must be grounded (earthed).

1. Connect an earth-bonding cable to the grounding bolt connection provided on the

outside of the remote unit (near the Mains connector) as shown in figure 4-6. Do
not use the grounding connection to connect external devices.

figure 4-6 Grounding bolt figure 4-7 Grounding bolt, schematic view

2. After loosening the hex nut, connect the earth-bonding cable between the two
washers as illustrated in the figures abov e.

3. Then, fasten all parts again by tightening the hex nut.

4. Connect the other end of the ground wire to a suitable permanent ground
following local electrical code practices.

4.2.4. Connection of the Antenna Cable

The remote unit has one 7/16 DIN type antenna connector labelled “ANT”. For its
location please refer to chapter 4.2.2 Connections. When attaching the antenna
cable connector, it is recommended to refer to the corresponding documentation of
the connector manufacturer. The bending radius of the antenna cable must remain
within the given specifications.

When pairing this RU with an EU such as the ION-U H 19P2, the antenna ports of
both units can be connected to separate antennas or to an external crossband
coupler (CBC) to combine the multiple frequency bands of the two units to a single
antenna or antenna splitter.

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4. Commissioning

The selection of cable and antenna is an important consideration. On the one hand, a
cable with higher loss is less expensive but, on the other hand, it impairs
performance.

Use an appropriate torque wrench to tighten the 7/16 DIN-type (1 ¼ -inch
opening) antenna connectors to a coupling torque of 25 N-m / 19 ft lb.
Torque wrench item no. 244377, available from the CommScope e-
catalog, is recommended. Do NOT use your hands or any other tool (e. g.
a pair of pliers)! This might cause damage to the connector and lead to a
malfunction of the Remote Unit or increased PIM.

To minimize passive inter-modulation (PIM) distortion, attention must be

paid to the physical condition of the connector junctions. Do not use
connectors that show signs of corrosion on the metal surface. Prevent
the ingress of water into the connector. Attach and torque the
connectors properly.

An example of the antenna port connections for a Remote Unit paired with an
Extension Unit using an optional crossband coupler is shown below.

EU

RF
Cables

RU

CBC

figure 4-8 Antenna port to CBC
wiring

1. Connect an RF cable from the ANT
port of the EU to the PCS input of the
CBC.

2. Connect an RF cable from the ANT
port of the RU to the AWS input of the
CBC

3. Route the antenna cable from the
antenna or splitter to the CBC.

4. Cut the cable to length and terminate
the cable with a 7/16 DIN type male
connector.

5. Using an appropriate torque wrench,
connect the antenna cable to the
Common port of the CBC.

COM: Connect to antenna
or antenna network

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4.2.5. Mains Power Connection

Before connecting electrical power to the units, the system must be grounded as
described in the previous chapter.

Mains power must be connected at the mains connector of the unit (see chapter

4.2.2 Connections).
Use the following method to install and connect the Mains power to the RU:

1. Locate the Mains power cable that was delivered with the RU.

2. Locate or install a suitable power junction box or receptacle near the RU and
route the power cable from the power source to the RU. Do not connect the
cable to the RU’s Mains connector at this time. The power source must be
interruptible.

3. The Mains cable must be properly secured observing local regulations and
electrical codes. Be sure to allow enough slack in the cable at the RU to plug
or unplug the cable into the Mains connector of the RU.

4. Wire the power cable to the junction box or receptacle. Refer to the color code
and pin numbers shown in figure 4-10 (AC cable), and table 4-3.

5. With the cable’s Mains plug disconnected from the RU, turn the circuit breaker
on, unscrew the plug’s protective cover, and carefully test the plug with a
voltmeter to ensure that the voltage and polarity are correct.

6. Once the testing has been completed, turn off the circuit breaker.

7. Unscrew the protective cover from the Mains connector of the RU (figure 4-9).

8. Insert the plug into the Mains connector and tighten the clamping ring until it is
hand tight. Do not over-tighten the clamping ring.

The Mains cable is part of the delivery. The wiring of the mains cable is as follows:

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figure 4-9 Mains power connector

Page 27

Protective Cap

white
black

PE

1

3

Mains Cable Connector

2

Front View

green

B0405ADA

4. Commissioning

Coninvers M17 –

Series P20, 4-Pin

Pin Name Color

1 Phase Black
2 Neutral White
3 n.c. n.c

PE Ground Green

figure 4-10 Mains power cable - AC

table 4-3 AC power cable

For the AC power supply connection, a minimum cross section of 1.5

2

is required. Each wire must observe the applicable national

mm
regulations regarding loop impedance, voltage drop, and methods of
installation. Make sure to connect the correct voltage to the unit.



Note: Do not connect or disconnect the power cord at the mains connector

while power is on. Turn off mains* power before connecting the
power cord at the remote unit, then, engage mains again.

* Mains power must be interrupted with an external mains breaker. For the mains breaker, observe

the following recommendation:

120 Volt / 20 Amp max. or 240 Volt / 16 Amp, single-phase, 50 / 60 Hz AC service is
needed, i.e. the external AC breaker should be 20 Amps m ax. for 120-Vo lt service or
16 Amps for 240-Volt service.

4.2.6. Extension Unit Port Connection

The EU connector is used to connect a cable bridge to an optional Extension Unit to
provide additional bands of coverage. This port provides control and RF signaling to
and from the extension unit.

figure 4-11 EU (Extension Unit) connector table 4-4 EU Connector

Page 28

7-Pin

Pin Assignment

1 RF

n.c.

2
3 System Bus

RF (if Pin installed)

4
5 System Bus

n.c.

Front View

6
7 RF

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Connect the cable bridge (corrugated flexible cable) between the EU port connector
of the RU and the EU port of the Extension unit.

figure 4-12 Extension unit cable bridge

4.2.7. Ext. Alarm In / Out Port

The Alarm port provides external alarm contacts (two input and two output) that are
used to monitor and report alarms generated by other equipment or to provide
contact closures for RU alarms. The connector is an 8-pin Binder 712 series
connector.

8-Pin Binder 712 Series

5

4

3

6

8

7

B0405AEA

Front View

figure 4-13 Alarm Connector

2

1

Pin Assignment

EXT_IN_1

1

GND_Isolated

2

EXT_IN_2

3

EXT_Out_1_normally

4

closed
EXT_Out_1_common

5

EXT_Out_2_normally

6

open
EXT_Out_2_common

7

EXT_Out_2_normally

8

closed

table 4-5 Alarm Connector

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4.2.8. RS 485 /+28 V Port

This 5 pin connector provides RS 485 communications and +28 VDC power.

3

5-Pin Binder 712

4

5

Front View

B0405AFA

1

2

Pin Assignment

1
2
3
4
5

Series

+28V/1A
GND
RS485_RD­RS485_RD+
GND

figure 4-14 RS485 /+28 VDC Connector

table 4-6 RS485/+28V

4.2.9. Local Interface Port

The Local Interface port is a RJ45 network port, which can be used for a local
connection to a laptop PC.

8-Pin Binder 712 Series

Pin Assignment

TXD+

1

TXD-

2

RXD+

3
4
5

Front View

figure 4-15 Local Interface Connector

RXD-

6
7
8

table 4-7 Local Interface

Connector

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4.2.10. Optical-Fiber Cable Connection

Rules for Optical-Fiber Connection

Optical signals are transmitted by use of optical fibers. When connecting these fibers
observe the following instructions.



Note: Care should be taken when connecting and disconnecting fiber-

optic cables. Scratches and dust significantly affect system
performance and may permanently damage the connector. Always
use protective caps on fiber-optic connectors not in use.

In general, optical fibres do not need special protective measures. However,
protection against environmental influences e.g. rodents and humidity must be
considered.

The optical fibre is a single mode fiber. Type is E9/125 µm with the following
minimum requirements:

Attenuation: <0.36 dB / km @ 1310 nm / <0.26 dB / km @ 1550 nm
Dispersion: <3.5 ps / nm km @ 1310 nm / <18.0 ps / nm km @ 1550 nm

The specified bending radius of the optical fibers must not be exceeded. The pigtails
for the connection between master unit and remote unit must have a sufficient length.
The fibers must be protected where they enter the units. The system attenuation of
the optical fibers, including the connectors, must not exceed 10 dB.

System attenuation and attenuation of optical components must be determined. This
can be achieved by measuring attenuation and reflection with an appropriate
measuring instrument. For pigtails, a total value of < 0.4 dB (measured to a reference
plug) can be assumed due to the dead zone of the reflectometer. These
measurements must be made with a sufficient length of optical fiber, at the input and
output of the device which has to be measured.

Fiber-cable connectors have to be of the same type (Radiall Opus LC-APC) as the
connectors used for the unit. The fiber-optic cables are connected to the optical
transceiver.

Angled connectors are not compatible with straight optical connectors;

non-compatibility of connectors will result in permanent damage to
both connectors.

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4. Commissioning

Before connecting the fiber cables, follow the procedure below to ensure optimized
performance. It is important for these procedures to be carried out with care:

 Remove fiber-optic protective caps.
 Do not bend the fiber-optic cable in a tight radius (< 4 cm) as this may cause

cable damage and interrupt transmission.

 Using high-grade alcohol and lint-free cotton cleaning swabs, clean the end of

the fiber-optic cable that will be inserted in the optical connectors on the donor
interface box.

 Blow out the laser receptacle with clean and dry compressed air to remove

any particulate matter.

 Do not use any index-matching gels or fluids of any kind in these connectors.

Gels are intended for laboratory use and attract dirt in the field.

 Connect the fiber-optic cables by following the instructions in the next chapter.

4.2.11. Assembly Instructions for Optical LC Patch Cables

The RU optical connector (Opus Short Plug kit) supports both simplex (one fiber
cable) and duplex (two fiber cables) operation. The ION-U H 17P2 utilizes a single
fiber cable for both uplink and downlink. The following instructions cover both simplex
and duplex installation.
The Opus Short Plug kit, which is included with the delivery of the RU has the
following components.

Plug bod y

6

4

Duplex split

gasket

3

Simplex split

Gasket

2

Clamp

figure 4-16 Contents of the Opus Short Plug kit

5

Adaptor nut

LC Suppo rt

1

B0405AHA

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The LC/APC patch cables must meet the following requirements shown in figure 4-17
for use with the RU and the Opus short plug kit.

55mm Min.

Ferrules: 12 mm Max.

No boots

No duplex clip

Ø3 to Ø 3.3 mm

B0405AJA

figure 4-17 LC/APC patch cable requirements



Note: You must pay close attention to the integrity of the fiber during the

assembly process!

4.2.11.1. Assemble Optical Opus Short Plug Components

The following instructions cover both simplex and duplex fiber cables. Steps that
apply only to duplex cables have “b” following the step number.

Slide the adaptor nut and the clamp onto and along the fiber patch

1

cable as shown.

figure 4-1 8 O pu s short plug gas k et and nut

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Simplex Cable Duplex Cable

Place the simplex split gasket on

2 2b

the cable using the split on the side of
the gasket with the larger diameter of
the gasket toward the front.

Flat surface

figure 4-19 Simplex split gasket figure 4-20 Duplex split gasket

Insert the LC connector by its side

3 3b

into Cavity A of LC support until it
clicks into place.

Place the duplex split gasket on the

cables using the split on both sides of
the gasket with the larger diameter of the
gasket toward the front. Ensure that the
channel positioning is correct as shown.

Flat surface

Channel A

Channel B

Insert the LC connectors by their sides

into the LC support until they click
into place. Ensure that the channel
positioning is correct as shown.

Channel A

Free slot

figure 4-21 Simplex Cavity A figure 4-22 Duplex Cavity A & B



Note: The LC latch must be pressed down in order to slide it into the

cavity of the LC support.



Note: Remove the LC protection cap after completing step 3 (or 3b).

Channel BChannel A

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Align and assemble LC support with split gasket or and clamp .

4

Insert this assembly into the plug body as shown. The inside pin of the

clamp must be aligned with the groove in the split gasket.

Flat surface

Slot alignment mark

Inside Pin

figure 4-23 Assemble Opus short plug

figure 4-24 Insert LC connector plug into plug body

Screw the adapter nut onto the body (2 N.m maximum torque).

5

figure 4-25 Tighten Opus short plug adapter nut

4.2.11.2. Connect Opus short plug to RU

Pull on the plug’s collar to remove the protection cap.

1

Protective cap

figure 4-26 Remove Opus short plug protective cap

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4. Commissioning

Push the plug body into the receptacle until the collar is in the locked position.

2

The “UNLOCKED” label on the connector body will no longer be visible when

the connector is properly locked into the receptacle on the RU.

Unlocked label

figure 4-27 Insert Opus short plug into RU receptacle

4.2.11.3. Disconnect Opus Short Plug from RU

To disconnect the Opus short plug, pull on the collar to release the plug.

1

figure 4-28 Disconnect Opus short plug from RU

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4.3. Commissioning

Read the health and safety warnings in chapter 1.2 Health and Safety Warnings as
well as the description carefully to avoid mistakes and proceed step by step as
described!

 Do not operate the remote unit without terminating the antenna connectors.

The antenna connectors may be terminated by connecting them to their
respective antennas or to a dummy load.

 Only qualified personnel should carry out the electrical, mechanical,

commissioning and maintenance activities that require the unit to be powered
on when open.

 When opening the remote unit do not damage the warranty labels on the

internal devices. The warranty is void if the seals are broken.

 Ensure that all connections have been performed according to chapter 4.2.2

Connections.

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5. Alarms

5. Alarms

5.1. Bite and Alarms

The Built-In Test concept comprise s the monitoring of the power sup plies, the power
amplifiers and the optical interface.

All occurring alarms can be checked via software at the master unit.

5.2. Handling of Alarms

As soon as the software acknowledges a valid alarm, a message is transmitted to the
master unit.

If the reason for the alarm has been cleared or if the alarm should continue, a new
alarm message will not be repeated. If there was an interruption of at least five
seconds after acknowledgement, a ne w a larm message will be genera t ed.

5.3. Alarm Status

For details r efer to the corr esponding sof tware docum e n tation of the mas ter unit.

5.4. Status LED Alarms

For local supervision, a status LED on the connector flange of the remote unit
provides a visual indication of possible reasons for alarms. This table shows possible
on-site measures that could be checked before referring to the master unit alarm list.

For local supervision, a status LED on the connector panel of the remote unit
provides a visual warning of an alarm condition. The color of the LED indicates the
severity of the alarm. Detailed alarm information is available through the ION-U
software interface. This table lists the alarm conditions and possible on-site
measures that could be performed to resolve the issues responsible for triggering the
alarms.

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5. Alarms

A

Status LED Indication Alarms Possible on-site measures

Green

No alarm 
Status ok

Door alarm Close the door (RUs with door).
Alarms not directly related to RU:
External alarms

Check externally connected devices.
Check fiber loss of optical link.

Orange

Optical alarm Rx

Check optical connectors.
Clean optical connectors.

(MU: Check optical output power of
corresponding OTRx at master unit).

ALC alarm

(MU: Decrease DL input power of
affected band).

Alarms directly related to RU:

Power 28 V
Temperature

Change power supply (RUs with door).
Replace the affected remote unit.
Reduce environmental temperature.
Eliminate thermal short circuit.
Disconnect and connect mains. Fans

Red

Fan

should run briefly (SW version > 2.4). If

not, replace the fans at RU.
I²C Disconnect and connect mains.
Optical alarm Tx -

mplifier “Power

Down”

(MU: Change amplifier setting at MU

controller).

Check power switch inside of RU (RUs

Status LED off Mains

with door).

Check mains cabling.

Check mains power.

table 5-1 Status LED alarms

Alarm cause

Alarm transmit
Alarm LED

> 5 s

raise

clear

< 5 s

> 5 s

raise

V1651A2

figure 5-1 Alarm triggering

For the position of the status LED see chapter 4.2.2 Connections.
Explicit troubleshooting is available in the MU software, (software manual or WEB

Interface).

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5. Alarms

5.5. External Alarm Inputs and Outputs

The eight-pin EXT ALARM IN/OUT connector supports two external alarm inputs and
two external alarm outputs. Chapter 4.2.7 Ext. Alarm In / Out Port includes the
connector’s pin-out information and chapter 4.2.2 Connections identifies the
connector’s locati on.

The alarm outputs (open collector output 5 V / 1 mA) are normally low. In case of an
alarm they are high active (5 V). They can be used to monitor alarms with an external
alarm indicator.



Note: The manufacturer / supplier of this system accepts no liability for

damage caused by equipment connected to external outputs or by
effects fr om such equipment.

With the external alarm inputs, it is possible to monitor the status of connected
devices, e.g. a UPS, via software. All alarm inputs are normally high (5 V) without
connection. The polarity (high/ low) can be set via the software at the Master Unit (for
details please see the appropriate ION-U software manu al).

The device to be monitored must be connected so that the alarm contacts will be
closed in case of an alarm (I max = 8 mA). The alarm inputs are potential-free with
common ground (earth).

Subminiature circular connectors series 712 with eight contacts, which are included
in the alarm kit, can be ordered directly from the Binder Connector Group, the
manufacturer, or indirectly from CommScope.

figure 5-2 Alarm inputs and outputs, standard

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5. Alarms

5.6. Troubleshooting

The status of the remote unit can be checked via the master unit (for details please
refer to the ION-U Site Manager software manual). Locally, the status can be
checked at the LED, see chapter 5.4 Status LED Alarms.

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6. Maintenance

6. Maintenance

6.1. General

Read the health and safety warnings in chapter 1.2.



Note: The remote unit does not require preventative maintenance

measures.



Note: To prevent malfunctions of the cooling system due to dirt or

pollution, it is recommended to clean the heat sink at regular
intervals. These cleaning intervals depend mainly on the location
of the remote unit and the corresponding degree of pollution.

Maintenance of the ION-U High Power RUs should be performed by replacing only
components that are described in this chapter. In order to maintain the warranty,
avoid unintentional damage to the seals on the modules.

The spare parts list, (see chapter 7.3) includes only units that can be replaced in the
field without tuning or soldering work.



Note: When sending back the unit, use appropriate packaging. Use of

the original packaging for shipping the unit is strongly
recommended!



Note: Defective parts should only be replaced by original parts from the

supplier. All service work performed inside the housing is
performed at the users own risk.



Note: Ensure the Remote Unit has been disconnected from mains power

during maintenance.



Note: Label any unlabelled cables before disconnecting them to ensure

correct reconnection.

For most maintenance procedures, appropriate tools are required to ensure correct
handling. All of these tools can be ordered from the supplier.



Note: All Remote Unit screws have a right-hand thread, and are

tightened by turning the screws clockwise and loosened by
turning them counter-clockwise with an appropriate tool.

Due to the design of the remote unit, the fan unit is the only component that should
be replaced in the field. Please contact the supplier for replacement of any other
components.

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6. Maintenance

6.2. Replacing the Fan Unit

Replacement of the fan uni t is not requi red as a pre venta tive measur e. Onl y when an
alarm indicates a malfunctioning of a fan, must the unit be exchanged.



Note: Please obse rve that the fan unit can only be replaced as a whole.

Do not remove the fans separately.

Read the health and safety warnings in chapter 1.2 Health and Safety Warnings as
well as the instructions in chapter 6.1 General before starting with the replacement.

1. Switch off the remote unit. Make sure that mains power is disconnected for
the following replacement procedure. Then, proceed as follows:

2. Loosen the four tallow-drop screws
M4x8 by which the fan plate is
attached to the cabinet. Remove the
four screws and the corresponding
washers.

3. Remove the fan unit – by putting slight
pressure on the fan plate cover –
moving it to a position that allows
access to the fan connector and the
earth-bonding cable.

4. Unscrew the fan connector and then
disconnect the earth-bonding cable.



Note: To observe the specified torq ue of 650 Ncm for an M5 thre ad, use

an appropriate tool for the following procedures.

Fan-unit connector

Earth-bonding cable

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6. Maintenance

5. To mount the new fan unit, reconnect the earth-bonding cable and the fan
connector (see step 4). Then, place the fan unit back into its original position and
press it back into position as shown below:

6. Fasten the complete fan unit to the cabinet with the four tallow-drop screws M4x8
(see step 2). To prevent exceeding the specified torque of 330 Ncm, use an
appropriate tool.

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6. Maintenance

6.3. Cleaning the Heat Sink



Note: Read the health and safety warnings in chapter 1.2 Health and

Safety Warnings as well as the instructions in chapter 6.1 General

before starting with the replacement procedure. Then, proceed as
follows:

1. Switch off the remote uni t. Make sure that mains power is disconnected for the
following procedure.

2. Remove the fan plate with the fan unit from the remote unit as described in
chapter 6.2 Replacing the Fan Unit, steps 2 and 3.

3. Use compressed air (max. 5 bar) to dust, dirt, or other debris the heat sink from
back to front.

4. If the dirt cannot be blown out completely and parts of it stick to the ribs of the
heat sink, clean the parts concerned carefully from the front using e.g. a brush.
Take care that the heat sink material is not scratched or damaged.

5. After cleaning the heat sink, remount the fan unit according to chapter 6.2
Replacing the Fan Unit, steps 5 and 6. Then, switch the remote unit back on.

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7. Appendix

7.1. Illustrations

7. Appendix

figure 7-1 Installation drawing-front and rear views

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7. Appendix

figure 7-2 Installation drawing-side views

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7. Appendix

figure 7-3 In s tallation dr awing-shor t version

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7. Appendix

7.2. Specifications

Please refer to the ION-U_H_17P2_PA-106766.x-EN.GB data sheet for the ION-U
HP RU specifications.

7.3. Spare Parts

Please contact your CommScope sales representative or DCCS Technical Support
for a current ION-U HP RU parts list.

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8. Index

8. Index

A

Alarm In/out ............................................................ 27

Alarm In/Out port .................................................... 32

Alarm port ............................................................... 27

Alarms

Alarm Status ....... .. ... .... ... .. .. ... .. .. ..... ... .. .. ... .. .. ..... 43

Bite and Alarms ............................................ ..... 43

External Inputs .................................................. 45

Handling of Alarms ......... ................................... 43

List ........................... ................................... ....... 46

Outputs ............................. ................................. 45

RU...................................................................... 46

Status LED .................. ... .. .. ... .... ... .. .. ... .. .. ..... ... .. 43

ANT RF .................................................................. 27

B

Block Diagram

ION-U H 17P2 ................ .. .. ... .. ... .. .... ... .. ... .. .. ... .. 15

C

Cable bridge ........................................................... 32

CE Declaration of Conformity (DoC) ...................... 10

Cleaning the Heat Sink ............................ .. ... .. .. ... .. 50

Commissioning

General .............................................................. 40

CommScope ........................................................... 10

Connection Rules

Optical Fibres .................................................... 34

Optical-Fibre Cables ......................................... 34

Connections

Antenna ................................. ...................... 28, 29

Connector Panel ................................................ 26

Optical-Fibre Cable ........................................... 34

Contact Addresses

Customer Support ....................................... 11, 12

Customer Support Addresses .......................... 11, 12

D

Declaration of Conformity (DoC) ............................ 10

H

Health and Safety Warnings .................................... 7

I

Illustrations ............................................................. 51

Installation

Electrical ................................... ..... .... ..... ..... .... . 25

Mechanical ........................................................ 19

Internal components . .. ..... .. ... .. .. ... .. ..... .. .. ... .. .. ... .... . 17

L

LC/APC patch cable requirements ........................ 36

Local Interface ....................................................... 27

Local Interface port ................................................ 33

M

MAINS .................................................................... 27

Mains connector .............................. ... .. .. ... .. ..... .. .. . 30

Mains Power Connection....................................... 30

Maintenance ....................................... ................... 47

Mounting

Pole ............................. ...................................... 22

Wall .......................... ............................. ............ 21

O

Optical-Fiber Connection

Opus Short Plug ....................................... ... .. .. . 35

Opus Short Plug kit ................................................ 35

P

Pole Mounting Procedure ...................................... 22

R

Replacement of Fan Unit ....................................... 48

RS 485/+28V port .................................................. 33

RS 485/28V ........................................................... 27

E

eCPD+) ................................................................... 17

Expansion Unit connector ...................................... 27

Extension Unit Port ................................................ 31

F

Fan protection ........................................................ 23

Fan protection kit .................................................... 17

G

Grounding (Earthing).............................................. 28

Grounding Bolt ....................................................... 27

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S

Shroud ............................... ............ ............ ........... . 18

Spare Parts ..... ..... .. ... .. .. ... .. .. ... ..... .. .. ... .. .. ... .. .. ..... .. . 54

Status LED ............................................................. 27

T

Troubleshooting ......................................... ............ 46

W

Wall-Mounting ........................................................ 21

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