Cobham Wireless – Coverage
Date: 17-Jan-16
www.cobham.com/wireless
Doc. No. 00060CDUM Rev. 1.1 Page | I
The most important thing we build is trust
D-MBR 3707 3708
Class A PS NFPA Signal Booster
The fut ure of in-building coverage
User Manual – 00068CDUM Rev. 1.2
This manual is relevant for 700/800 MHz Dig i tal Multi-Channel Class A RF Signal
Booster
D-MBR 3707-3708 PS NFPA Booster
D-MBR 3707-3708 AC feeder and battery charger
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
www.cobham.com/wireless
Date: 17-Jan-16
Cobham Wireless – Coverage
Page | II Rev. 1.1 Doc. No.00060CDUM
Copyright © 2016 Axell Wireless Limited trad ing as Cobham Wireless
All rights reserved.
No part of this document may be copied, distributed, transmitted, transcribed, stored in a retrieval system, or
translated into any human or computer language without the prior written permission of Axell Wireless Limited
trading as Cobham Wireless.
The manufacturer has made every effort to ensure that the instructions contained in this document are
adequate and free of errors and omissions. The manufacturer will, if necessary, explain issues which may not be
covered by this document. The manufacturer's liability for any errors in the document is limited to the correction
of errors and the aforementioned advisory services.
This document has been prepared to be used by professional and properly trained personnel, and the customer
assumes full responsibility when using them. The manufacturer welcomes customer comments as part of the
process of continual development and improvement of the documentation in the best way possible from the
user's viewpoint. Please submit your comments to the nearest Cobham Wireless sales representative.
Contact Information
Headquarters Axell Wireless trading as Cobham Wireless
Aerial House, Asheridge Road
Chesham, Buckinghamshire
HP5 2QD, United Kingdom
Tel: +44 1494 777000
Fax: +44 1494 777002
Commercial inquiries
cw.coverage@cobham.com
Website
www.cobham.com/wireless
Support issues
cw.support@cobham.com
Technical Support Line, English speaking +44 1494 777 747
About This Manual
This Product Manual provides the following information:
• Description of the Repeater unit
• Procedures for setup, configuration and checking the proper operation of the unit
• Maintenance and troubleshooting procedures
For whom it is intended
This Product Manual is intended for experienced technicians and engineers. It is assumed that the customers
installing, operating, and maintaining Cobham Wireless Repeaters are familiar with the basic functionality of
Repeaters.
Notice
Confidential - Authorized Customer Use
This document may be used in its complete form only and is solely for the use of Cobham Wirel es s em ployees
and authorized Cobham Wireless channels or customers. The material herein is proprietary to Cobham Wireless.
Any unauthorized reproduction, use or disclosure of any part thereof is strictly prohibited.
All trademarks and registered trademarks are the property of their respective owners.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
www.cobham.com/wireless
Doc. No.00060CDUM Rev. 1.1 Page | III
Disclaimer of Liability
Contents herein are current as of the date of publication. Cobham Wireless reserves the right to change the
contents without prior notice. The information furnished by Cobham Wireless in this document is believed to be
accurate and reliable. However, Cobham Wireless assumes no responsibility for its use. In no event shall
Cobham Wireless be liable for any damage resulting from loss of data, loss of use, or loss of profits and Cobham
Wireless further disclaims any and all liability for indirect, incidental, special, consequential or other similes
damages. This disclaimer of liability applies to all products, publications and services during and after the
warranty period.
Safety Instructions and Warnings
Throughout this manual, important safety warnings and admonishments are included to warn of possible
hazards to persons or equipment. A safety warning identifies a possible hazard and then describes what may
happen if the hazard is not avoided. The safety warnings – in the form of Dangers, Warnings and Cautions must
be followed at all times. These warnings are flagged by the use of a warning icon, usually the triangular alert
icon seen below. The exclamation point within the triangular alert icon is intended to warn the operator or
service personnel of operation and maintenance from factors relating to the product and its operating
environment, which could pose a safety hazard.
Guarantees
All antennas must be installed with lightning protection. Damage to power modules, as a result of lightning are
not covered by the warranty.
Switching on AC or DC power prior to the connection of antenna cables is regarded as faulty installation
procedure and therefore not covered by the Cobham Wireless warranty.
Repeater enclosures should be closed using the two screws. The screws must be fully tightened. Failure to do so
may affect the IP65 compliancy and therefore any warranty.
Exclusive Remedies
The remedies provided herein are the Buyer’s sole and exclusive remedies. Cobham Wireless shall not be viable
for any direct, incidental, or consequential damages, whether based on contract, tort, or any legal theory.
Unauthorized Changes to Equipment
Changes or Modifications not expressly approved by the manufacturer responsible for compliance could void the
user’s authority to operate the equipment
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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Date: 17-Jan-16
Cobham Wireless – Coverage
Page | IV Rev. 1.1 Doc. No.00060CDUM
General Safety Warnings Concerning Use of System
Always observe standard safety preca utions during installation, operation and maintenance of this
product.
Caution labels!
Throughout this manual, there are "Caution" warnings. "Caution" calls attention to
a procedure or practice, which, if ignored, may result in injury or damage to the
system, system component or even the user. Do not perform any procedure
preceded by a "Caution" until the described conditions are fully understood and
met.
Danger: Electrical Shock
This equipment can either be installed indoors or outdoors. When installed
outdoors - wet conditions increase the potential for receiving an electric shock
when installing or using electrically powered equipment. To prevent electrical shock
when installing or modifying the system power wiring, disconnect the wiring at the
power source before working with un insulated wires or terminals.
Caution: Safety to
personnel
Before installing or replacing any of the equipment, the entire manual should be
read and understood.
The user needs to supply the appropriate AC or DC power to the booster. Incorrect
power settings can damage the Booster and may cause injury to the user.
Please be aware that the equipment may, during certain conditions become very
warm and can cause minor injuries if handled without any protection, such as
gloves.
Caution: Safety to
equipment
When installing, replacing or using this product, observe all safety precautions
during handling and operation. Failure to comply with the following general safety
precautions and with specific precautions described elsewhere in this manual
violates the safety standards of the design, manufacture, and intended use of this
product.
Cobham Wireless assumes no liability for the customer's failure to comply with
these precautions. This entire manual should be read and understood before
operating or maintaining the booster.
Warning: Restricted
Access Location
Access to the unit installation location is restricted to SERVICE PERSONNEL who
have been instructed on the restrictions and the required precautions to be taken.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
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Doc. No.00060CDUM Rev. 1.1 Page | V
Compliance with FCC
WARNING!!! This repeater must be operated as a Part 90 Class A repeater.
The installation procedure must result in the signal booster complying with FCC
requirements 90.219(d). In order to meet FCC requirements 90.219(d), it may be
necessary for the installer to reduce the UL and/or DL output power for certain
installations.
FCC Part 15
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.
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 their
own expense.
Only for in-building applications
One must be aware that FCC regulation mandate that this repeater is to be used
only
for in-building applications
and thus feed passive or active DAS (Distributed Antenna Systems) accordingly.
FCC RF Exposure Limits
This unit complies with FCC RF exposure limits for an uncontrolled environment. This equipment can only be
installed in in-building applications, driving passive or active DAS systems. All antennas must be operated at a
minimum distance of 28 cm between the radiator and any person’s body.
Antenna Installation
Installation of an antenna must comply with the FCC RF exposure requirements. The antenna used for this
transmitter must be mounted on outdoor or indoor permanent structures. The maximum antenna gain for indoor
operation is 2.2 dBi and for the external antenna is 7dBi. Cable loss of at least 2dB is taken into account for all
cases.Antennas having a gain greater than these are strictly prohibited for use with this device. In indoor
applications the antenna must be installed at a minimum separation distance of 28cm from all nearby persons.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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Date: 17-Jan-16
Cobham Wireless – Coverage
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Compliance with IC
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and
maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio
interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically
radiated power (e.i.r.p.) is not more than that necessary for successful communication.
The Manufacturer's rated output power of this equipment is for single carrier operation. For situations when
multiple carrier signals are present, the rating would have to be reduced by 3.5 dB, especially where the output
signal is re-radiated and can cause interference to adjacent band users. This power reduction is to be by means
of input power or gain reduction and not by an attenuator at the output of the device.
This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 28 cm between the antenna and your
body,
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une
antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour
l'émetteur par Industrie Canada. Dans le
but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type
d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas
l'intensité nécessaire à l'établissement d'une communication satisfaisante.
La puissance de sortie nominale indiquée par le fabricant pour cet appareil concerne son fonctionnement avec
porteuse unique. Pour des appareils avec porteuses multiples, on doit réduire la valeur nominale de 3.5 dB,
surtout si le signal de sortie est retransmis et qu'il peut causer du brouillage aux utilisateurs de bandes
adjacentes. Une telle réduction doit porter sur la puissance d'entrée ou sur le gain, et ne doit pas se faire au
moyen d'un atténuateur raccordé à la sortie du dispositif.
Cet appareil est conforme aux limitations de la norme IC RSS-102 concernant l’exposition aux radiations dans un
environnement non contrôlé. Cet appareil doit être installé et utilisé avec une distance minimale de 28 cm entre
l’antenne et le corps de l’ u t il isateur.
Cobham Wireless – Coverage
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Doc. No. 00060CDUM Rev. 1.1 Page | VII
Table of Contents
1 INTRODUCTION ............................................................................................................ 1
1.1 Main Features......................................................................................................... 1
1.2 Booster Ordering Information ................................................................................. 2
1.3 Architecture ........................................................................................................... 2
1.4 Smart-ALC Function ............................................................................................... 3
1.5 Power Feeder and Battery Charger ......................................................................... 3
1.6 Booster Interfaces .................................................................................................. 4
1.7 Functional Description ........................................................................................... 5
2 BOOSTER PRE-INSTALLATION REQUIREMENTS AND GUIDELINES .............................. 6
2.1 Donor Antenna Considerations ............................................................................... 6
2.1.1 Required Antenna Information ............................................................................6
2.1.2 Donor Antenna specifications .............................................................................6
2.1.3 Installation Criteria .............................................................................................6
2.2 Service Antenna Considerations ............................................................................. 7
2.2.1 Required Information .........................................................................................7
2.2.2 Indoor Installations .............................................................................................7
2.2.3 Outdoor Installations ..........................................................................................8
2.3 Required BTS Information .................................................................................... 10
2.4 Selecting the Booster Location ............................................................................. 10
2.4.1 Installation Location Criteria and Environment ................................................... 10
2.4.2 Verifying the Link between the BTS and the Signal Booster ................................ 11
2.5 RF Cable Installation Guidelines ........................................................................... 12
3 BOOSTER MOUNTING AND INSTALLATION ................................................................ 13
3.1 Booster Installation Overview ............................................................................... 13
3.2 Booster Unpacking and Package Contents ........................................................... 14
3.3 Mounting the System ............................................................................................ 15
3.3.1 Location Criteria .............................................................................................. 15
3.3.2 Rack Mount Installation .................................................................................... 16
3.3.3 Wallmount Installation ...................................................................................... 17
3.4 Booster Connections ............................................................................................ 23
3.4.1 Grounding ....................................................................................................... 23
3.4.2 Antenna Connections and Guidelines................................................................ 24
3.4.3 Booster Dry-Contact Alarm Connections ........................................................... 25
3.4.4 Connecting Power and Power-Up ..................................................................... 27
4 BATTERY CHARGER DESCRIPTION AND INSTALLATION ............................................ 28
4.1 Charger Ordering Information ............................................................................... 28
4.2 Charger Architecture ............................................................................................ 29
4.3 Charger Interfaces ................................................................................................ 30
4.4 Charger Installation Procedure ............................................................................. 31
4.4.1 Charger Installation Location ............................................................................ 32
4.4.2 Charger Unpacking and Package Contents ....................................................... 32
4.4.3 Charger Mounting Procedure ............................................................................ 33
4.4.4 Charger Grounding .......................................................................................... 33
4.4.5 Charger Alarm Connections ............................................................................. 34
4.4.6 Charger to Booster, Battery and AC Feed Connections ...................................... 36
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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5 SETUP AND COMMISSIONING ..................................................................................... 38
5.1 Overview of the Commissioning Procedure ........................................................... 38
5.2 Opening a Session to the Booster and Navigating the GUI ..................................... 39
5.2.1 Open a First Time Local Web Session to the Booster ......................................... 39
5.2.2 Navigating the Web GUI Application ................................................................. 40
5.3 RF Parameters and Channel Configuration ............................................................ 43
5.4 Date and Time Settings ......................................................................................... 47
5.5 External Alarms Configuration .............................................................................. 48
5.6 IP Address and SNMP Notifications ....................................................................... 49
5.6.1 Configuring the IP Address ............................................................................... 50
5.6.2 SNMP Trap Configuration ................................................................................ 51
5.7 Changing Password .............................................................................................. 52
6 ADMINISTRATIVE OPERATIONS .................................................................................. 53
6.1 User Management ................................................................................................. 53
6.1.1 User Levels ..................................................................................................... 53
6.1.2 Viewing the List of Defined Users...................................................................... 53
6.1.3 Adding Users ................................................................................................... 54
6.1.4 Editing a User .................................................................................................. 54
6.1.5 Deleting a User ................................................................................................ 54
6.2 Viewing General Information ................................................................................. 55
6.2.1 Viewing Booster Level Information .................................................................... 55
6.2.2 Viewing Band Level Info ................................................................................... 56
6.3 Band-Level Configuration Backup/Restore ............................................................ 57
6.3.1 The Backup/Restore Tab .................................................................................. 57
6.3.2 Backup Band Configuration .............................................................................. 58
6.3.3 Restoring Band Configuration ........................................................................... 58
6.3.4 Uploading Band Configuration File .................................................................... 59
6.3.5 Saving Configuration File to Computer .............................................................. 59
6.4 CMU Software Upgrade ......................................................................................... 60
7 MONITORING AND TROUBLESHOOTING ..................................................................... 61
7.1 LED Troubleshooting ............................................................................................ 61
7.2 Booster Level Alarms Log ..................................................................................... 62
7.3 Viewing Activated Alarms ...................................................................................... 63
7.4 Band-Level Alarms and Troubleshooting ............................................................... 64
7.5 Modifying Alarm Severities .................................................................................... 66
Appendix A – Booster and Charger Specifications ........................................................ 67
D-MBR 3707-3708 PS NFPA Class A Signal B o o st er
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
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Doc. No.00060CDUM Rev. 1.1 Page | 1
1 INTRODUCTION
D-MBR 3707-3708 PS NFPA (Digital Multi Band Repe ater for Public Safety) is a Class A Digital Multi Channel Signal Booster (DCSB). It features an array of up to 12 DSP based, software-controlled,
variable bandwidth filters (up to 75Khz) per band , that are user-programmable across the 700 and
800 MHz bands.
D-MBR 3707-3708 PS NFPA supports all public safety technologies. For each filter, the user can
specify the start and stop frequencies to red uce the ins talla tion time of the sig nal booster a nd enable
a very wide range of filters selection.
Every parameter of D-MBR 3707-3708 PS NFPA, including filter tuning and selection, can be
controlled via web based management. The patented Cobham Wireless’ digital RF filter enables
simple initial setup for any channel plan and if nece ssary, allows some basic reconfiguration due to
re-banding.
The SALC -Smart ALC algorithm will re duce the gain to protect the signal booster from oscillation.
When the gain cannot be reduced anymore a shut-down mechanism will be triggered.
The signal booster protects against degradation of the system’s sensitivity and coverage. This is
implemented by the inbuilt AGC per-channel (filter) feature, which permits equalization of the
channel levels for uniform coverage.
This product meets the rigid requirements as defined by the NFPA and International Fire Code
developmental organizations. The amplifier is painted a Fire Life Safety Red, meets NEMA4
compliance for hose down, and provides all Alarming outputs as defined by NFPA 2010, C hapter 24
including system and antenna failures. The signal booster is a DC fed unit.
An external battery charger unit is available as well. The charger is connected to the AC and includes
a circuit to charge external batteries with all the dry contact alarm s as defined in the NFPA standard :
AC failure, Charger failure and Low battery.
1.1 Main Features
• Class A - signal booster for SMR and public safety networks
• Supports APCO 25 phase 1 and 2 for public safety networks
• NFPA 72-2010, Chapter 24 and IFC 510.1 Compliant
• Support of 700MHz D block for L TE ne twork
• Patented DSP filtering™ technology:
• Supports up to 12 independent filters per band
• User programmable bandwidth / frequency
• NEMA4 enclosure
• SALC-Smart ALC mechanism to protect the digital signal booster from oscillation and shutd own
the signal booster when required
• Web based management, SNMP traps
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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1.2 Booster Ordering Information
NOTE: Charger ordering information is provided in section 4.1.
IDENTIFICATION DESCRIPTION PART NUMBER
D-MBR 3707-3708 PS
with NFPA and Red
painted case
Digital Multi Channel Selective Signal Booster
Class A 700/800 MHz 12
filters, 37dBm
composite per band, 95dB gain, DC powering
with NFPA and IFC compliant Alarm Outputs
and red painted case.
D-MBR 3707-3708-PSNFPA-DC-CLASS-A
1.3 Architecture
To meet the National Fire Protection Association (NFPA) requirements, power to the Signal booster is
provided via an uninterrupted power source. This can either be a UPS or (i f a UPS is not available ),
an AC Feeder and Battery Charger (purchased separately).
NOTE: The Power Feeder Battery Charger is described in Chapter - 4).
Alarm connections to the Fire Department Control Box are used to monitor the status of the
uninterrupted power source, Signal Boos ter and DAS system (antennas).
As an alternative to the
Fire Department Control Box connections, the D-MBR PS NFPA and UPS or
Charger dry contact alarms can be connected to an Automatic Dialer. The AD-2000 Automatic
Voice/Pager Dialer System is recommended.
If the AC power to the UPS fails, the required power is provided by the battery and the AC Power Fail
alarm is activated.
Figure 1-1. D-MBR PS NFPA Architecture
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
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Doc. No.00060CDUM Rev. 1.1 Page | 3
1.4 Smart-ALC Function
The Signal Booster’s power amplifier includes power -monitoring circuits wit h Automatic Level C ontrol
(ALC) that prevents excessive output power while maintaining the power amplifier linearity
The Smart Automatic Level Control (Smart-ALC) is an innovative algorithm for automatic Signal
Booster ga in adjustment. Combined with advanced control algorithms, SALC is capable of learning
the traffic load characteristics and adjusting the Signal Booster RF Gain to the desired value.
Note: To reset the Signal Booster to its highest set gain value, disconnect the Signal Booste r power
cable for several seconds and re-connect.
1.5 Power Feeder and Battery Charger
NOTE: The Power Feeder and Battery Charger is described in Chapter - 4).
For installations where UPS is not available, the AC Feeder and Battery Charger unit can be
purchased (see section
4.1 for ordering information).
The charger is connected directly to the AC inlet a nd includes a circuit to charge external batteries
(meeting the specifications described in se ction
4.4.6. The charger also includ es the following dry
contact alarms (as defined in the NFPA standard): AC failure, Charger failure and Low battery.
NOTE: BATTERY LOW indication is when battery reaches 70% at current consumption of ~ C/25
Figure 1-2. D-MBR Charger
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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1.6 Booster Interfaces
All booster interfaces are located on the underside as shown below.
WARNING! The signal booster must always be installed vertically and top-down – with
the connectors on the underside for protection (see 3.3.3.4). Horizontal installation on a bench for
long time may cause damage to the signal booster due to over-heating.
Figure 1-3. D-MBR Front Panel
Interface Description
BASE
Donor antenna connections. See section
2.1.
MOBILE
Service antenna connections. See section
2.2.
48 VDC Connection to 48VDC (either from UPS or from the Charger).
ALARMS
Two External (input) and two Output (relay) alarms. See section
3.4.3.
GND LUG
Ground connection. See section
3.4.1.
LED’S Two status LEDs: 700 MHz and 800 MHz bands
Upper LED: UL status (for both bands.
Lower LED: DL status for both bands
Status: Green (OK), Orange (Warning), Red (Fail).
Donor antenna
connection
Service antenna
connection
48V DC power
GND LUG
Dry contact alarms
Ethernet port
Signal Status LEDs
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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1.7 Functional Description
In the downlink, t he signal from the Donor ante nna is filtered to the 700M Hz and 800MHz bands,
down converted, filtered according to the user defined (via GUI) channels, down converted and
amplified. The signals are then forwarded to the service antenna. In the uplink, the process is
reversed.
The maximum Analog Gain is 95dB, where Channel Gain between 0dB and 95dB is achieved by
reducing the Digital Gain from the System maximum Analog Gain; the re for e, filt ering and attenuatio n
is achieved through Digital Processing.
The block diagram showed in the figure below ill ustrates the overall functionality of the D-MBR PS
NFPA Signal Boosters and shows the operation flow in the downlink path and the uplink path.
Figure 1-4 Signal Booster - Block Diagram
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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2 BOOSTER PRE-INSTALLATI ON REQUIREMENTS
AND GUIDELINES
This section describes the pre-installation requirements and guidelines
WARNINGS!!
• The installer is held accountable for implementing the rules required for deployment.
• Good engineering practice must be used to avoid interference.
• Output power should be reduced to solve any IMD interference issues.
2.1 Donor An tenna Considerations
The Base (Donor) antenna is usually installed outdoors and is either a directional antenna such as a
Yagi or a Panel antenna.
2.1.1 Required Antenna Informa t ion
You will require the following antenna information:
• Antenna type and characteristics
• Height
• Length and type of coaxial cable required for connecting the D onor antenna to the Signal Booster
and the attenuation.
2.1.2 Donor Antenna specificat ions
• Yagi type or similar – 10 to 15 dBi gain, very sharp beam pointed to the BTS.
• Cable and jumper loss is at least 2dB.
• The required Base signals should be the dominant signals; at least 6 dB higher power than other
signals.
• Example of antenna's typical specifications:
Gain: 8 dBd (=10.1 dBi)
VSWR: < 1:5:1
Impedance: 50 ohm
2.1.3 Installation Criteria
NOTE: Verify that the antennas meet requirements described in the previous sections..
Installation requirements:
• Select a location for the Donor antenna and verify that there is the signal strength is strong
enough at that location.
• Install the Donor Antenna at the designated height.
• The antenna should point to the direction of the base station for maximum input power.
• Verify that the antenna is in the base stations line of sight (raise the antenna if necessary).
• Install the donor antenna at a higher level (i.e. floor) than the mobile antenna.
• Must be installed at a minimum distance of 1 meter from any personnel within the area.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
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Doc. No.00060CDUM Rev. 1.1 Page | 7
2.2 Service Antenna Considerations
The Service antenna type depends on whether the Signal Booster is installed indoors or outdoors.
2.2.1 Required Information
The following antenna requirements, specifications and site considerations should be met.
• Type of installation – indoor or outdoor
• Service area size
• Height at which antenna(s) is/are installed
• Antenna type and characteristics
• Length and type of coaxial cable required for connecting the Service antenna to the Signal
Booster and the attenuation.
2.2.2 Indoor Installations
2.2.2.1 Recommended Antennas
The following describ es the requirements for an omni-directional mobile used for indoor applications.
Specifications:
• One or a combination of the following antennas can be used: Ceiling Mount Patch antenna, Wall
Mount Patch antenna, Corner Reflector .
• Omni directional antenna with a 0 to 2 dBi typical gain, or wide beam with up to 10 dB i gain.
• Example of omni-directional antenna specifications:
Gain: 0 to 2 dBi
VSWR: < 2:1
Impedance: 50 ohm
• Choose an antenna with high side lobe attenuation that allows maximum isolation from the
service/ mobile antenna.
• A minimum of 5 such antennas must be connected to the Signal Booster with cables and
splitters.
• The maximum EIRP from each antenna shall not exceed 3W.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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2.2.2.2 Installation Criteria
Installation requirements:
• An indoor antenna should be installed at a convenient location. It should be free of metallic
obstruction.
• Install the Service Antenna at the designated height and tune it roughly toward the Service
coverage area.
• Installation of this antenna must provide a minimum separation distance of 28 cm from a ny
personnel within the are a.
Note: If the power is divided into more than 5 antennas that have a large coverage area than the
separation distance can be less than 28 cm.
• Cable and jumper loss is at least 2dB.
2.2.3 Outdoor Installations
For applications in which the Mobile antenna is installed outdoors, the antenna type is chosen
according to the available infrastructure ( single-pole or horizontal installation). In addition, isolation
between the donor and service antennas must be taken into account when selecting t he location of
the antennas.
2.2.3.1 Recommended Antennas
The antenna type depends on the installation:
• For vertical
Single Pole
installations a high side lobe suppression antenna is required.
• For horizontal installations either on two separate poles or on two sides of one building a high
front to back ratio antenna is required.
Specifications:
• Maximum antenna gain for outdoor operation 9dBi.
• Cable and jumper loss is at least 2dB.
• [Gain Antenna – Cable loss] should not exceed 7dB
Installation requirements:
• Installation of this antenna must provide a minimum separation distance of 62 cm from any
personnel within the area.
NOTE: The Single Pole and Horizonta l Installations are described in section 2.2.3.2 and 2.2.3.3.
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2.2.3.2 Vertical Separation Configuration
The Vertical Separa tion configuration is recommende d in cases where the BTS is relatively far and
the service coverage area is relatively small.
In Vertical Separa tion configuration, the Do nor antenna can be instal led either above or below t he
Service antenna on a COMMON tower. It is required to set the distance between them to achieve
maximum isolation.
The figures below illustrate the installations.
Figure 2-1. Service above Donor Antenna Figure 2-2. Donor above Service Antenna
2.2.3.3 Horizontal Separation C on fig ur ati on
In the Horizontal Separation configuration, the Donor and Service antennas are installed on two
separate towers at approximately the same height. The towers can be either on the same side of the
building or on different sides of the building as shown below.
Figure 2-3. Donor and Service Antennas
Installed on Separate Towers
Figure 2-4. Service and Donor Antennas Installed
on Opposite Sides of the Building
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2.2.3.4 Verifying Isolation between Donor and Service Antennas
Note the following:
• The isolation between the Donor and Service antennas is critical especially for high gain, outdoor
applications.
• For proper operation of the Signal Booster, it is recommended that the isolation between the
Donor and Service ant ennas be at leas t 15dB higher than the Signal Boosters set gain. (Lower
isolation can lead to high in-band ripple, oscillations and low signal quality.)
• Ensure proper vertical or horizontal distance separat ion between Donor and Service antennas
To measure the isol ation, proceed as follows:
1. Inject a known signal from a signal generator into one antenna (preferably the Donor anten na).
2. Measure the coupled output from the Service antenna, using the Spectrum analyzer and LNA if
applicable.
3. Perform this procedure across the frequency range of both the Uplink and Downlink bands.
4. Register the lower result for system operation.
2.3 Required BTS Information
Required BTS Information
• BTS channels
• BTS output power per channel
• BTS antenna gain
• BTS antenna height and distance from antenna site
2.4 Selecting the Booster Location
When selecting a location, verify the requirements described in this section are met.
2.4.1 Installation Location Criteria and Environment
WARNING!! The sig na l booster must always be installed vertically with the connectors on
the underside for protection (see 3.3.3.4). Horizontal installation on a bench for long time may cause
damage to the signal booster due to over-heating.
The following criteria should be considered when selecting the Signal Booster installation site
location:
• Application type – indoor or outdoor
• Distance from antenna site and BTS antenna height.
It is recommended that the installation location be as close as possible to the antenna site in
order to maintain the cable loss to a minimum.
• General surroundings and accessibility of location
• In outdoor applications it is recommended to i nstall a cabinet or a shielding sunroof for further
protection against weather wear.
• Use a suitable mounting surface, such as a flat back rigid wall.
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2.4.2 Verifying the Link betwee n the BTS and the Signal Booster
This test checks the signal strength from the BTS antenna to the Signal Booster.
Proceed as follows:
1. Using a Spectrum analyzer, measure the received signal from BTS at the Donor antenna port
near the Signal Booster.
2. Adjust the Donor antenna direction to receive the maximum signal strength.
3. Compare the received signal strength with the calculated signal strength from the design phase.
In case of discrepancy, check for one of the following:
• Antenna out of direction
• Antenna tuned to side lobe instead of main lobe
• Antenna connector or antenna cable faulty
• Line-of-sight problem (obstruction), etc.
4. Register the signal strength of the downlink channel for the system operatio n phase.
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2.5 RF Cable Install at ion Guidelines
Note the following:
• For all coaxial connections to/from the Signal Boost er - high performance, flexible, low loss 50
ohm coaxial communications cable.
• All cables shall be weather-resistant type.
• If the coaxial cables are NOT weather-resistant type: wrap the exterior coaxial cables with
insulation and holding tape (Type 3M Rubber splicing tape) for e nvi ronmental protection and to
ensure longer lifetime.
• Cable length - determined by the Signal Booster installation plan. When calculating the cable
length, take into account excess cable slack so as not to limit the insertion paths.
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3 BOOSTER MOUNTING AND INSTALLATION
This chapter describes the installation of t he D-MBR 3707-3708 PS NFPA boost er. For installations
that include the Feeder and Battery Charger, refer to Chapter-4 for the installations instructions.
NOTE: If included in the installation), the Battery Charger is installed adjacent to the Booster. Refer
to chapter 4 for instructions on installing the Battery Charger.
WARNINGS!!!
• Follow all local safety regulations when installing the Signal Booster and Char.
• Only qualified personnel are authorized to install and maintain the Signal Booster.
• Follow Electro-Static Discharge (ESD) precautions.
3.1 Booster Installation Overview
The Booster installation procedure consists of the following steps.
Figure 3-1 Physical Installation Workflow
Step-1
• Choosing Installation Location
Step-2
• Unpacking
Step-3
• Wall or Rack Mounting
Step-4
• Grounding
Step-5
• Power Connections
Step-6
• Connection to External Battery
Step-7
• Alarm connections
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3.2 Booster Unpacking and Package Conten t s
Upon receiving the D-MBR-PS-NFPA Signal Booster, perform the following:
1. Examine the shipping container for damage before unpacking the unit.
2. Perform a visual inspection to reveal any physical damage to the equipment.
3. Verify that all of the items listed in the packing list are included. Otherwise contact yourCobham
Wireless service representative.
Booster Package Contents
Item Description
D-MBR Booster
CD containing User’s Manual
and USB driver
Mounting Brackets
1 x Alarms Connector
Circular 8 Pin (P/ N 30WE C 7 050 0)
DC Cable
Additional (supplied)
installation components:
Qty. Description
4x
M8x12 bolts for securing the Booster to the
brackets
1x Insex t ool for bolts
1 x key
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3.3 Mounting the System
Note the following:
• The mounting procedure is identical for both
Booster
and
Battery Charger
(where relevant)
installations.
• The mounting procedure is identical for both indoor and outdoor installations.
• The weight of the
Booster
requires that
two people
mount the unit on the wall.
• Washers are
not
supplied with the unit to be mounted.
• In addition to the bracket assembly, it is recommended to use
additional fixings
– an example is
given in section
3.3.3.4.
3.3.1 Location Criteria
Location criteria
• Plan mount - check the actual fixing centers (see below) and overall dimensions of the unit
enclosure. The unit is supplied with two wall mounting brackets; when the unit is mounted on
these brackets adequate ventilation is provided between the unit and the wall to which it is fixed.
• Pl an co nne ction cable clearan ce s - the connections located on the underside of the unit will
need at least 300mm vertical clearance below the unit to enable the connections to be made.
The minimum bend ra dius for RF cables must not be less than the recommendations made by
the cable manufacturer. Plan the cable runs and ensure adequate space is available.
• Allow for door opening - ensure that there is sufficient space at the front of the unit to allow
the door to be fully opened and for maintenance engineers to get access to the unit with test
equipment such as a spectrum analyzer. Allow an ad d itional 500mm of space in front of the unit
when the door is fully open.
• Allow for heat dispersion - Mount the repeater so that heat can be dispersed from it.
The repeater wall mounting kit ensures an optimum airflow between the wall and the repeater.)
Do not block this air channel as it will cause the MTBF of the repeater to drop dramatically, or
even in the worst case cause the repeater to fail completely.
If possible, use a wall in the shade to minimize the overall sun loading. If sufficient shielding
cannot be obtained, an additional sun shield should be mounted.
Figure 3-2: Example of a sun shield
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3.3.2 Rack Mount Installation
The supplied brackets are used to mount the repeater either on a wall or in a 19” rack. The same
brackets are used for both medium and high-power repeaters.
IMPORTANT!!
• The weight of the unit requires that two people mount the unit.
• The signal booster must always be installed vertically with the connectors on the
underside for protection.
Horizontal installation on a bench for long time may cause
damage to the signal booster due to over-heating.
To mount the unit in a rack
NOTE: The required Spring Washers are
not
supplied.
1. Use the x4 (provided) M8 Fixing Bolts
and X4 Spring Washers (not provided)
to assemble the brackets as illustrated in
the adjacent figure.
Figure 3-3: Rack-mount bracket position
2. Mount the unit
vertically
in the rack, while
adhering to standard rack mounting
procedures, and secure.
Figure 3-4: Rack-mount unit position
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3.3.3 Wallmount Installation
IMPORTANT!!
• The unit mounting procedure is for concrete or brick walls only.
Verify the
suitability of the wall on which the unit is to be to be fitted.
• The weight of the unit requires that two people mou nt the unit on the wall.
• The signal booster must always be installed vertically with the connectors on
the underside for protection.
Horizontal installation on a bench for long time
may cause damage to the signal booster due to over-heating.
3.3.3.1 Wallmount Bracket Assembly
NOTE: In addition to the mounting brackets, it is recommended to use additional fixings as described
in section 3.3.3.4. Washers are not supplied with the repeater.
To mount the unit on the wall
1. Determine the location of the unit on the wall according section 3.3.1.
2. Assemble the brackets to the Repeater using the supplied 4 x M4 bolts as s hown in the following
figure.
Figure 3-5. Bracket Assembly
Support Bracket x 2
Bracket-to-Repeater mounting
holes x 2 for each bracket
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3. Place the brackets against the wall and mark the
four
holes to be drilled.
Figure 3-6. Mounting on wall
3.3.3.2 Wall Marking and Drilling
WARNINGS!!
• Due to the weight of the unit, it is NOT recommended to fix to a hollow wall).
• Always check that there are no pipes or cables hidden in the wall beneath the
area to be drilled. Various pipe and cable detectors are available for this type of
inspection.
• The Repeater wall mount brackets assembly should be fixed to a solid wall (these include
brickwork, block work, and concrete).
• To provide secure fixing to a solid wall, the most common method is drilling and plugging. The
size of fixing is dependent on the item to be fixed and the nature of the wall, The Repeater
should be fixed with mild steel, M6 (50mm to 75mm) rawlbolts or similar.
• Care must be taken to ensure the alignment of the four fixings. A spirit level or plumb line should
be used to ensure horizontal/vertical alignment.
Figure 3-7: M6 Rawlbolt – recommended for wallmount.
Bracket-to-wall
mounting holes x 2
Bracket-to-wall
mounting holes x 2
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To mark and drill the wall
1. Mark out the fixing centers of the repeater on the chosen wall. Refer to the repeater dimensions
are shown below.
Figure 3-8: Fixing Centers
2. Mark and drill the wall with the correct size ma sonry bit as specified by the fixing manufacturer.
NOTE: It is good practice to wear goggles to protect your eyes from flying debris when using
power tools.
3. Hold the drill bit against the mark and begin drilling slowly so that the bit does not wander from
the position. The wall should be drilled to a depth which is sufficient to accommodate the full
length of the fixing .
4. Insert the fixings so that the top of the sleeve/anchor section is level with the wall surface.
5. Gently tighten the bolt by hand so that the anchor section of the fixing expands and grips the
inside of the hole.
Figure 3-9: Inserting Fixing and Tightening.
368mm
378mm
Hole to take
M6 rawl bolt
Hole to take
M6 rawl bolt
189mm 189mm
Centre Line of MBF
Hole to take
M6 rawl bolt
Hole to take
M6 rawl bolt
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6. As the bolt pulls its way in, the sides of the anchor section are forced outwards, gripping the
surrounding surface.
Figure 3-10: Anchor Sides Pushed Outwards.
7. Once all four fixings are in place, carefully withdraw the four bolts.
Figure 3-11: Withdraw Bolts.
3.3.3.3 Mount the Unit
CAUTION!! It is recommended that two people lift the repeater since (depending
upon the configuration) the idRU weighs between 20 and 38 kg (44 and 84 lb)
To mount the Unit
• Align repeater with the four fixings. Great care should be exercised here as the repeater is very
heavy. (A suitably rated heavy duty scissor lift table/ trolley may be suitable for this operation.)
• Once repeater is held in the chosen position, carefully insert the fixing bol ts through the
mounting lugs of the Repeater and into the sleeve/anchor sections of the fixing in the wall and
tighten the bolts.
•
The repeater needs to be mounted tightly to eliminate vibration.
Figure 3-12: Mount Repeater
Align Repeater and
Secure Bolts
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3.3.3.4 Recommended Additional Fixing
SUGGESTED PRECAUTIONARY MEASURE!!
•
Brackets are provided to securely mount the unit on the wall; however, as an
additional
precautionary measure, it is recommended to further secure the Booster to the wall (in
addition to the bracket).
•
This can be done using any appropriate method.
•
It is the installer’s responsibility to ensure the Booster is installed in a secure manner.
The following figures provide EXAMPLES of additional fixings. In the example s, support is provided in
the form of a CABLE HARNESS LOOP that is looped around the Booster han dle and secured to the
wall or part of the building support structure.
Figure 3-13: Example 1 of Additional Fixing to Wall
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Another example is of a unit installed on a stadium gantry. Again, the support can be in the form of a
cable harness loop, using the handle of the unit and part of the gantry structure.
ATTENTION!! Any other SECURE method can be used.
Figure 3-14: Example 2 of Additional Fixing to Gantry
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3.4 Booster Connections
NOTE: The Charger connections are described in the following section.
This section describes the Booster connections:
• Grounding
• Antenna connections
• Power-up
3.4.1 Grounding
NOTE: The grounding procedure is identical for both BOOSTER and BATTERY CHARGER.
3.4.1.1 Grounding Wire Requirements
Requirements for grounding wires
• Protective grounding conductor - should be aluminum with cross-section 10AWG.
• Lug of the protective grounding conductor - should be aluminum
• Washers and screw - should be high Cr stainless steel, or 12% Cr stainless steel, or Cr on, Ni on
steel, tin on steel
3.4.1.2 Grounding Units
WARNING!! Ground the Signal Booster with the booster’s grounding bolt. Do not use the
grounding bolt to connect external devices.
Connect the grounding wire to the GND lug on each unit as shown b elow.
Figure 3-15 Booster GND Lug
GND LUG
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3.4.2 Antenna Connections and Guide lines
This section describes the antenna connection guideli nes, including the following procedures:
• Verifying isolation between Donor and Service antennas
• Verifying link between BTS and donor antenna
• RF cable installation guidelines
• Connecting the antennas
CAUTION!!
• Do not connect the antenna cables to the Signal Booster before verifying the installation
parameters - specifically the isolation between the antennas.
• DO NOT POWER-ON the Signal Booster without either the antennas being connected or the
antenna connections terminated with dummy loads.
3.4.2.1 Connecting Antennas
• Connect the Donor and Service antennas.
• Verify all RF connectors are tightened and the cables and antennas are secured.
Figure 3-16 Booster GND Lug
Donor antenna
Service antenna
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3.4.3 Booster Dry-Contact Alarm Connections
This section describes the dry-contact alarm connections for the
booster
.
The D-MBR and its power source (UPS or Battery Charger), each provide dry-contact alarms towards
the Fire Department C o ntrol Box. (In instal lat ion s w it h UP S, re fe r to yo ur UPS manual for instructio ns
on dry-contact alarm connections to the Fi re Department Contr ol box).
Note the following:
• The alarms can be connected any time, before or after the system is powered-on.
• The Charger alarm connections are described in section
4.4.5.
WARNING! The charger should be turned OFF prior to battery connection
Figure 3-17. D-MBR PS NFPA with Charger Architecture
3.4.3.1 Alarm Dry Contact Output Restrictions
• Maximum switching voltage: 220 VDC, 125 VAC
• Maximum switching current: 2A
3.4.3.2 External Alarm Input Restrictions
• Maximum repetitive reverse voltage: 28 V
• Impedance load: 470 Ohm
“0” - 0V
“1” - 3.8V - 28V
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3.4.3.3 Booster Alarm Connector Pinout
Each alarm status is recognized by a separate wire-pair, where the colored wires are internally
connected with a 4.7 K ohm resistor (serves as a p ull up resistor to +5V . The following figur e shows
the Alarm connector pinout.
NOTE: EXT Alarm IN 1 can be used to provide SNMP alarm notification for one of the dry-contact
alarms of the UPS or Battery Charger. This is done by connecting the dry-contact alarm output and
then configuring EXT Alarm IN 1 as Normal = High according to section 5.5
Figure 3-18. D-MBR Alarm Connector Pinout
Pin No. Signal Name Wire Colour
1 External Alarm #1 Black
2 N/A
3 Dry Contact VSWR Alarm (Normally Closed)* White
4 Dry Contact Summary Alarm (Normally Closed)**
Triggered under one of the following conditions:
• PA current from FF
• Temperature High or Built-In-Test
• Power failure
Green
5 GND for External Alarm Orange
6 Dry Contact VSWR Alarm (Normally Closed)* Blue
7 Dry Contact Summary Alarm (Normally Closed)** Brown
*Dry Contact VSWR alarm connection is supported by a pair of wires (3,6). Also, Pins 3,6 can indicate Power Up
for approximately 1 minute when system is powered up by closing contacts 3,6.
** Dry Contact Summary alarm connection is supported by a pair of wires (4,7)
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3.4.4 Connecting Power and Power -Up
CAUTION!!
• DO NOT POWER-ON the Signal Booster without either the antennas being connected or the
antenna connections terminated with dummy loads.
• This equipment can either be installed indoors or outdoors. When installing OUTDOORS, wet
conditions increase the potential for electric shock when installing or using electrically powered
equipment. To prevent electrical shock when installing or modifying the system power wiring,
disconnect the power source before working with uninsulated wires or terminals.
The Signal Booster operates from a 48VDC power source – either UPS or Battery Charger (ordered
separately).
NOTE: The AC Feeder Battery Charger installation and connections are described in Chapter-4.
To connect the power
1. For installations with UPS:
• Verify the UPS is set up.
• Connect 48VDC from the UPS or AC to DC converter (depending on the installation)
to the Booster Power Connector
2. For installations with the Ba tter y Cha rger:
• Verify the Charger is installed properly – refer to Chapter-4 for the Charger
installation and connections.
• Connect the Battery Charger 48VDC output to Booster power connector.
3. Power-ON.
NOTE: During the Power Up process the CPU requires approximately four minutes to boot up.
Figure 3-19. D-MBR PS NFPA Power Connections
-
48V from AC to DC
converter (in case of UPS)
or from Battery Charger
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4 BATTERY CHARGER DESCRIPTION AND
INSTALLATION
The AC Feeder and Battery Charger unit is used for installations where UPS is not available.
The Feeder and Charger provides continuous power of 36 - 72 VDC by utilizing an external (customer
purchased) battery for backup in case power failure.
NOTE: Use only external batteries meeting the specifications given in section 4.4.6
This section describes the Battery Charger Unit inte rfaces, the arc hitecture o f the installat ion and the
installation procedure.
Figure 4-1. AC Feeder and Battery Charger
4.1 Charger Ordering Information
IDENTIFICATION DESCRIPTION PART NUMBER
D-MBR 3707-3708
AC feeder and
battery charger
AC feeder and battery charger for 200AH
batteries with NFPA and IFC compliant Alarm
Outputs and red painted case.
BATT-CHARGER-110VAC200AH-NFPA
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4.2 Charger Architecture
D-MBR installation with the Battery Charger is illustrated below. The Charger is AC powered. It
simultaneously provides a 48 VDC output power to the booster and charges the external battery
(external battery not provided).
The Charger supports three dry contact alarms that are connected to the Fire Department Control
Box:
• AC Input Fail
• Low Battery capacity
• Charge Fail
As long as the AC power source is a vailable, the
Charger
provides 32 to 72 VDC to the booster and
maintains the external battery fully charged.
If the AC power source to the charger fails, the
external battery
provides the 48 VDC power to the
Booster and the
AC Input Fail
Charger alarm is activated. When the battery re aches 70% at cur rent
consumption of ~ C/25, BATTERY LOW indication is provided.
NOTE: The Battery Charger AC Input Fail d ry-contact can also be connected to the Booster (this
requires the appropriate setup config uration).
Figure 4-2. D-MBR PS NFPA with Charger Architecture
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4.3 Charger Interfaces
This section describes the AC Feeder and Battery Charger interfaces.
Figure 4-3. D-MBR Charger Interfaces
Interface Description
AC IN 110 VAC power source input
DC OUT 36 to 72 VDC, 12A max power connection to booster power input.
GND Ground connection
BATTERY
Connection to external, re-chargeable 200H battery
4.4.6 for external battery
requirements).
Charging time for full 200AH battery estimated to about 20hrs.
ALARMS
Three Dry contact alarms (i.e. section
4.4.5 for pinout):
Battery Low – battery is not charged to the minimum value.
Charger Fail – batte ry cha r g er failure
AC Input Fail – AC input is not detected.
LED’S
AC IN
Green – AC input detected (Off if AC input is not detected)
BATTERY/CHARGER
Green - battery is connected or the charger is active
DC OUT / ALARM
Green - DC out
Orange – Bat LOW Alarm
VAC
Power source
LEDs
Connection to
external battery
Dry contact
alarms
-
48VDC out to
booster
GND
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4.4 Charger Installation Procedure
WARNINGS!
• Be sure the external battery meets the following requirements:
Valve-Regulated Lead-Acid (VRLA)
Gelled Electrolyte (gel) and Absorbed Glass Mat (AGM) Batteries or LEAD ACID
• Be sure the booster is connected to the Charger (providing a load) BEFORE AC feed or
the Battery is connected to the charger.
• BEFORE POWERING THE SYSTEM on, make sure
• CHARGER DC OUT is connected to BOOSTER DC IN
• BATTERY connection at CHARGER is connected to EXTERNAL
BATTERY
• When connecting or disconnecting the battery, ALWAYS recycle AC power to the
Battery Charger.
The Charger installation procedure consists of the following steps.
Figure 4-4 Physical Installation Workflow
Step-1
• Installation Location
Step-2
• Unpacking
Step-3
• Mounting
Step-4
• Grounding
Step-5
• Alarm connections
Step-6
• Connection to Repeater
Step-7
• Connection to Battery
Step-8
• Connection to AC Feed
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4.4.1 Charger Installation Location
The charger is installed
adjacent
to the Booster either on the wall or
vertically
in a rack.
Refer to section 2.4.1 for the relevant location criteria.
4.4.2 Charger Unpacking and Package Content s
Upon receiving the D-MBR-PS-NFPA Signal Booster, perform the following:
1. Examine the shipping container for damage before unpacking the unit.
2. Perform a visual inspection to reveal any physical damage to the equipment.
3. Verify that all of the items listed in the packing list are included. Otherwise c ontact your Cobham
Wireless service representative.
Battery Charger Package Contents
Battery Charger
CD containing User’s Manual
and USB driver
Mounting Brackets
1 x Alarms Connector
Circular 8 Pin (P/ N 30WE C 7 050 0)
AC Cable
DC Connector and cable
Additional (supplied)
installation components:
Qty. Description
4x M8x12 bolts for securing the Booster to the brackets
1x Insex tool for bolts
2 x keys
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4.4.3 Charger Mounting Procedure
The charger is mounted next to the Boos te r a nd the mount i ng ins tr uct io ns a re i dent ica l to t hat of t he
Booster.
Refer to section 3.3 for mounting instructions.
4.4.4 Charger Grounding
The grounding proce dure is identical to the Booster groundi ng procedure.
Refer to section 3.4.1 for
the grounding instructions.
Figure 4-5 Battery Charger GND Lug
GND LUG
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4.4.5 Charger Alarm Connections
The Charger suppor ts three dry contact alarms t hat are connected to the Fir e Department Control
Box:
• AC Input Fail
• Low Battery Capacity
• Charge Fail
NOTE: AC Input Fail can also be connected to the Booster External Alarm connector.
Figure 4-6. Charger Connections Architecture
4.4.5.1 Alarm Dry Contact Output Restrictions
• Maximum switching voltage: 220 VDC, 125 VAC
• Maximum switching current: 2A
4.4.5.2 External Alarm Input Restrictions
• Maximum repetitive reverse voltage: 28 V
• Impedance load: 470 Ohm
“0” - 0V
“1” - 3.8V - 28V
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4.4.5.3 Charger Alarm Connector Pinout
Each alarm status is recognized by a separate wire-pair, where the colored wires are internally
connected with a 4.7 K ohm resistor (serves as a p ull up resistor to +5V . The following figur e shows
the Alarm connector pinout.
NOTE: SNMP alarm notification can be provided for ONE of these alarms. This is done by connecting
the alarm to the Booster External Alarm Connector, Ext Alarm IN 1 (section 3.4.3.3). It is then
required to configure External Alarms 1 as Normal High and name the alarm (section 5.5). (To
disable the alarm notification, set the alarm as Low. Default from production: AC PWR FAIL .
Figure 4-7. Charger Alarm Connector Pinout
Pin No. Signal Name Wire Colour Contact Type and description
1 AC_PSU_FAIL #1 Black dry-contact NC
2 CHG_FAIL #1 Red Dry-contact NC
3 BAT_LOW #1 Gray dry-contact NC
4 N/A Green dry-contact NC
5 AC_PSU_FAIL #2 Orange dry-contact NC
6 CHG_FAIL #2 Blue dry-contact NC
7 BAT_LOW #2 Brown dry-contact NC
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4.4.6 Charger to Booster, Battery and AC Feed Connections
WARNINGS!
• Be sure the external battery meets the following requirements:
Valve-Regulated Lead-Acid (VRLA)
Gelled Electrolyte (gel) and Absorbed Glass Mat (AGM) Batteries or LEAD ACID
• Be sure AC power feed to the Charger is DISCONNECTED before connecting or
disconnecting the Charger to the battery.
• Be sure to connect according to the following connection sequence (otherwise the
Battery Charger may be damaged):
a. ALWAYS first connect Charger to Repeater
b. Connect Charger to Battery.
c. Connect AC feed to Charger.
• BEFORE POWERING THE SYSTEM on, make sure of the following:
• CHARGER DC OUT is connected to BOOSTER DC IN
• BATTERY connection at CHARGER is connected to EXTERNAL
BATTERY
• (After installation), after connecting or disconnecting battery, always recycle AC power
to the Battery Charger.
To connect the Charger to the Booster, Battery and AC Feed
1. Connect the Charger DC Out to the Booster DC PWR.
Figure 4-8 Battery Charger to Booster Power Connections
Charger DC Out to Booster PWR
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2. Connect the Charger BATTERY port to the Battery.
WARNINGS!
• Be sure the external battery meets the requirements given at the
beginning of this section.
• Be sure AC power feed to the Charger is DISCONNECTED before
connecting or disconnecting the Charger to the battery.
Figure 4-9 Battery Charger to Booster Power Connections
3. Connect the Charger AC IN to 110 VAC power outlet.
Figure 4-10 Battery Charger to Booster Power Connections
4. Recycle power to the Battery Char ger.
WARNINGS!
(After installation),
after
connecting or
disconnecting battery, always re cycle AC power to the Battery
Charger.
EXTERNAL
BATTERY
Charger to Battery
EXTERNAL
BATTERY
110 VAC feed
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5 SETUP A ND COMMISSIONING
This section describes the setup procedures for the D-MBR Booster.
5.1 Overview of the Commissioning Procedure
The Booster is desig ned for simple plug -and-play ope ration, onl y requiring the set up of a number of
parameters via a local Web connection and verifying that the system is operating properly.
Figure 5-1 Commissioning Overview
Step-1
• Open a local session
Step-2
• RF Parameters
Step-3
• Date and Time
Step-4
• External Alarms Config
Step-5
• IP Address
Step-6
• Password Change
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5.2 Opening a Session to the Booster and
Navigating the GUI
This section describes how to open a first time local s ession to the Booster and how t o navigate the
management Web GUI.
5.2.1 Open a First Time Local Web Session to the Booster
NOTE: To open a local session to the booster, the setup computer IP Address must be in the same
subnet as that of the Booster. The booster factor set IP Address is 192.168.1.253.
To open a local session to the booster:
1. Connect to the Boosters’ front panel Ethernet
port using the supplied Ethernet cable.
Figure 5-2. Local Setup Connection
2. Verify the setup computer’s NETWORK
PARAMETERS are in the same subnet as the
Booster’s factory assigned IP Address.
NOTE: Booster’s factory assigned IP Address:
192.168.1.253.
• On the computer, access the Internet
Protocol Version 4 (TCP/IPv4)
Properties dialog.
• Configure an IP address 192.168.1.x
(e.g. 192.168.1.9)
• Set subnet mask to 255.255.2 55.0
• Click OK to save the definitions.
Figure 5-3. Computer’s IP Address
3. Login to the Booster as follows:
• Open a standard browser (e.g.
Chrome, IE or Firefox).
• In the address line, enter the IP
address of the Booster.
192.168.1.253
Figure 5-4. Factory Assigned IP Address
Ethernet cable
IP Address
and subnet
Internet Protocol
Version 4
Properties dialog
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The Booster login dialog appears.
• Enter the authentication information:
Default User Nam e : admin
Default Password : admin.
NOTE: Both are case sensitive and must be
entered with lower case letters.
• Click Login. The application main
window appears.
NOTE: Quickly review the following section
describing the appl ication window and then
proceed to configure the signal levels according
to section
5.3.
Figure 5-5. Login
5.2.2 Navigating the Web GUI Applicati on
This section describes how to navigate the Web Management applica tion. The GUI interface provide s
the following items:
• Operation options – always available in the header
• Menu selection left pane – provides three types of menu options
• Menu Tabs – sets of tabs corresponding to the selected left pane menu options
• Work area – corresponds to selected tab
Figure 5-6. Main Window
Menu selection
Pane related to
selected tab
Tabs related to
selected menu item
Pane related to
selected tree item
Operation Buttons
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5.2.2.1 Operation Items
The operation options are always displayed in the window header.
Item Description
CMU/band/ Users Shows the currently selected menu item.
Send Uploads configuration changes to the Booster.
Refresh Refreshes the current screen and displayed data
CMU Reset
Click to reset the Web Access application, in case of failure or
display issues
Date and Time Access Booster Date and Time settings.
User Currently logged in authentication level and user.
Logout Click to logout current user.
5.2.2.2 Left Pane Menu Options
The left pane contains three menu items, where clicking each item invokes dedication tabs and
options:
• CMU – communication, monitoring and administrative options.
• 700-800 – band-level RF configuration, management and monitoring options
• Users – user management tools, including
Password Change.
Figure 5-7. Menu Item
User management
and password change
Communication, monitoring
and administrative options
RF configuration options
Selected menu item
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5.2.2.3 700-800 Menu Tabs
This section describes the tabs available w hen
700-800
is selected in the left pane.
Item Band Specific Description
Alarms
Common alarms pane for both bands. See section
7.4.
Alarms Configuration
Viewing and modifying default alarm levels (critical
, major,
minor), major). See section 7.5.
Control & Params
RF configuration opti ons for each band. See section
5.3.
Band Info
Band specific information, including filter widt h, etc. See section
6.2.2
Backup and Rest ore
Used to backup and manage band-level config uration files. See
section
6.3.
5.2.2.4 CMU Pane and Tabs
This section describes the tabs available w hen the
CMU item
is selected in the left pane.
Item Description / Values
CMU Alarms Shows currently active alarms.
CMU Info
Shows Booster level information such as SW and HW versions
and identification number. In addition, enables setting m inimum
alarm levels (see
6.2.1).
Communication Configuration
Used to set IP Address and SNMP para meters (see
5.6)
Alarms Log
Booster level log of past and current alarms (see
7.2).
External Alarms
External alarm configuration options. (see
5.5)
CMU SW Upgrade
Options for Booster level software upgrade (see
6.4)
Modem Direct Access N/A
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5.3 RF Parameters and Channel Configuration
Define up to 12 sub-bands with dedicated parameters for the 700 MHz and 800 MHz band according
to the instructions in this section. The defined filters a re
graphically
displayed in the lower part of the
screen.
To configure the signal level and channels
1. In the left pane, click the 700-800 item.
2. View the valid filter definition options by clicking the Band Info tab.
Figure 5-8. Available Filters Options
3. To define the filters:
• Click the Control&Params tab.
• Click the button corresponding to the required band: 700 or 800.
Figure 5-9. Sub-band Allocation Configuration
Global RF
parameters
Define up to
12 filters
Graphical
view of
defined filters
Choose band
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The displayed pane is relevant to the selected band. It is divided into three areas:
o System – overall parameters for the
selected service.
o Sub-band (filter) definitions area.
o Graphical view of defined sub-bands.
4. Configure the general System parameters as follows:
Figure 5-10. Control and Params Tab – Required System Parameters
• Verify RF Transmission Enable is checked (RF transmission ON).
NOTE: Under certain conditions related to the Shut Down mechanism, the RF transmission
can be disabled (unchecked) by the system. The Shut Down mechanism is described in the
next step - Optional System parameters).
• Set Max Composite DL Output Power – set according to your site requirements
and click Send. The
Measured
Composite DL Output Power is displayed in the
adjacent field.
NOTE: If the composite output power exceeds the defined value, the Smart-ALC feature
begins working (refer to section 1.4 for more information on SALC).
• Set Max Composite UL Output Power – set according to your site requirements
and click Send.
5. You may modify the following System parameters – Shut Down Mechanism (disabled by default)
and DL Output Threshold Delta (set to ‘0’ be default):
Figure 5-11. Control and Params Tab – Optional System Parameters
• Shut Down Mechanism – if enabled, the system automatically disables RF
transmission if an excessively high input power (from the BTS side) is detected for a
specific period of time.
In that case, two operations are performed by the system:
o RF Transmission Parameter is unchecked (transmission is OFF)
o System Mute alarm (Alarms tab) is generated (RED).
NOTE: If the high input power issue is resolved, then it is necessary to enable RF
transmission by check-marking the RF Transmission Enable parameter. In addition, reset
the System Mute alarm (click Ack).
• DL Output Threshold Delta (dB) - delta from DL Output Power, below which the
alarm 'Donor power is too low' is activated.
Set DL value
Enabled
Set UL value
Disabled by
default
‘0’ by default
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6. Enable the filters (up to 12 filters) and set the bandwidth as follows:
• Checkmark to ON each filter row. The corresponding options will be available.
• Select the BW (bandwidth) – the valid bandwidths are listed in the Band Info tab.
Figure 5-12. Control and Params Tab – Enabling and Configuring Filters
7. Set the DL parameters for the selected filter:
• DL Centre Freq - the resulting bandwidth will automatically be graphically displayed
and the corresponding Uplink Center frequency will automatically be allocated.
• Max Ch Max Power – set to maximum level by default. Modify as needed.
You may want to click Send after each filter definition and view the measured Channel
Power and the Composite Output Power (in the System are at the top of the screen).
• Max Ch Max Gain – set to maximum by default. Modify according to the
measured/calculat ed input power and isolation measurements.
Recommended Maximum Gain setting is approximately 16 dB less than the isolation between
the service and donor antennas.
More information on Downlink sub-band parameters
o DL Measured RSSI - measured DL signal.
o DL Measured Ch. Gain - measured DL Gain (dB) for the selected sub-band.
o DL Measured Ch. Power - measured Power (dBm) for the selected sub-band.
8. Set the UL parameters for the selected filter:
(The uplink channels and their values are automatically allocated according to the downlink
channel definitions.)
• Set Max Ch Max Power – by default, the power is set to maximum level. Modify as
needed.
You may want to click Send after each filter definition and view the measured Channel
Power and the Composite Output Power (in the System are at the top of the screen).
• Set Max Ch Max Gain - change the default value (maximum) according to the
measured/calculated input po wer and isolation measurements.
Recommended Maximum Gain setting is approximately 16 dB less than the isolation between
the service and don or antennas.
9. Click Send (top window area opti on).
Downlink Channels
Uplink Channels
Enable and
configure filters
Graphical display of
configured filters
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10. After the channels have been configured and the required coverage is attained for the location,
verify that no Alarms are generated:
• Click the Alarms tab
• Verify that all the indicators are GREEN in the Alarms tab
Figure 5-13. Alarms Dialog
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5.4 Date and Time Settings
NOTE: It is important to set the correct date and time on the unit since this provides the timestamp
for each logged event and alarm. This operation requires resetting the Booster.
To set the Boosters date and time
1. Click on Date & Time in the Operations Items bar ( 5.2.2.1). The following dialog appears.
Figure 5-14. Date & Time Settings Dialog
2. Set all the date and time parameters.
3. Click on Set in the dialog.
4. Click the CMU Reset button in the Operations Bar.
1. Click Date & Time
2. Define ALL
3. Click
Set
4. Click
Reset
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5.5 External A larms Configuration
The Booster supports one external alarm – from an external source or from the Booster or UPS.
To configure external alarms
1. In the left pane, click on th e CMU option and select the External Alarms tab. The following
dialog appears.
Figure 5-15. External Alarm Configuration Dialog
2. Set Alarm-1 (EXT 1) Normal mode as follows:
• If an external alarm from the Battery Charger (section
4.4.5) connected to the
Booster (section
3.4.3), set Normal = High.
• If any other device (i.e. UPS) is connected, set the alarm according to the device
documentation.
NOTE: Triggered external alarms are displayed in the CMU-Alarms tab.
Click CMU
External Alarms tab
Alarm 1 Normal mode: ‘High’ if Charger
is connected; Otherwise set to
according to requirements
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5.6 IP Address and SNMP Notifications
This section describes how to set up the booster’s IP Address and SNMP notifications management
To configure the IP Address and SNMP Notifica tions
1. Click on CMU in the left pane and select the Communication Configurati on tab. The
following screen appears.
Figure 5-16. Communication Configuration Dialog
The following areas are relevant to this Booster installation.
Area Description
IP Configuration Used to define Static IP Address and DHCP Address.
SNMP Trap
options
This includes enabling SNMP Trap options and defining the relevant
parameters.
SNMP notifications
Click CMU
Click
Communication
SNMP Trap
Config
IP Address
config
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5.6.1 Configuring the IP Address
The Booster supports both Static and DHCP addresses. A unique technology enables applying both
types to the
same
Ethernet port. Both addresses may enable local and remote management.
ATTENTION!! The Local IP Address is a static address assigned by the user to the system.
The default Static IP address is 192.168.1.253. It is highly recommended to preserve this setup.
In case of a change, make sure you record the newly assign IP.
To configure the Booster IP address
1. Click the left pane CMU item and select the Communication tab.
2. To assign the unit a Local IP Address:
In the IP Configuration area, assign the unit the Local IP address, Netmask and Gateway
parameters provided by your system administrator.
Figure 5-17. Network Settings
3. To configure the booster to operate with a DHCP Server:
• Checkmark Request Additional DHCP Address.
• The assigned address can be seen in the DHCP Address field.
Figure 5-18. Network Settings
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5.6.2 SNMP Trap Configuration
The Booster can be configured provide fault notification by sending traps to u p to five defined IP
addresses each time a fault is triggered. The traps are sent at the defined heartbeat frequency and
can be sent with a Sending Delay.
To set SNMP Trap Destination parameters
1. Click the left pane CMU item and select the Communication tab.
2. In the SNMP Trap / SMS Destination area, set the Use Destination field to the SNMP
option
3. In the Use Destination field, select the SNMP option
4. For each destination:
• Define the IP Address (where the IP addresses should be in the same subnet as the
booster).
• Define the Community names (default = public) of the computers to which traps will
be sent.
5. Sending Delay TH (Optional) - by default, there is no sending delay (‘0’ value) and the alarm
is continuously sent as long as the fault exists.
By configuring the Sending delay TH, the same alarm is sent again, only if the fault persists for
the configured (minutes) time period.
6. In the SNMP Trap Configuration area, in the Heartbeat Period field, define the frequency
(in minutes) at which traps will be sent.
It is recommended to maintain the Enterprise ID value
as
Axell.
7. In the window Operations Bar, click Send.
Select
SNMP
Define up to five SNMP
destination addresses
Optional (in minutes)
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5.7 Changing Password
For security, it is recommended to change the password of the Administrator.
To change the administrator password
1. From the left pane, select Users. The list of users is displayed in the User's Pane.
2. In the admin row, click Edit and modify the relevant information – specifically the password.
Figure 5-19. Add User
3. Enter the Password and in Verify Password enter the password again for verification.
4. Click OK.
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6 ADMINISTRATIVE OPERATIONS
The following administrative operations are described in this section:
• User Management – defining and changing users and passwords.
• Viewing the Booster information such as software and hardware versions, serial number.
• Software upgrade
6.1 User Management
This section describes how to perform the user management operations. By default,
two
users
belonging to one of three authenticat ion levels ar e defined on the Booster. You may add new users,
modify or delete existing users.
6.1.1 User Levels
Two user levels are available:
• Admin – has access to all administration and configuration options, includ ing user management.
(Default Password admin and default User Name admin.)
• Operator – has access to all configuration options
except
for the Users list or the Loaders screen.
6.1.2 Viewing the List of Defined Us ers
To display the User Administration pane
From the left pane , select Users. The list of users is displayed in the Configuration Pane according to
the identifying information and authentication level (Role).
Figure 6-1. User Administration Pane
The following table provides a description of the Users dialog options.
Option Description
Add User (button)
Adds a new user with to user defined access level and
password.
Del(ete) Deletes a selected user from the list.
Edit Enables changing the definitions of an existing user.
Click Users
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6.1.3 Adding Users
NOTE: User name and password entries are case sensitive.
To add a user
1. From the left pane, select Users. The list of users is displayed in the User's Pane.
2. From the User's Pane, click Add User. The Add User dialog box is displayed.
Figure 6-2. Add User
3. Enter the Login Name – name used by user to login.
4. Type the user's First Name and Last Name – used to identify the user.
5. Select the User Role – access level. This defines the operations that the user will be able to
perform.
6. Enter the Password and in Verify Password enter the password again for verification.
7. Click OK.
6.1.4 Editing a User
To modify user definitions
1. From the left pane, select Users. The list of users is displayed in the User's Pane.
2. Select the User to be edited in the list.
3. Click Edit. The user definitions dialog appears.
4. Make the required changes and click OK.
6.1.5 Deleting a User
To delete a user
1. From the left pane, select Users. The list of users is displayed in the User's Pane.
2. Select the User to be deleted in the list.
3. From the User's Pane, click Del. A verification dialog box is displayed.
4. Respond by clicking Yes to delete the User from the list.
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6.2 Vie wing General Information
The Web GUI provides Booster level information (via the CMU Info tab) and band level in formation
(via the Band Info tab).
6.2.1 Viewing Booster Level Information
Use the CMU Info screen to view the hardware and software versions of the
Booster and to assign the Booster a recognizable name.
To access the Band Information window
1. In the left pane, select CMU and click the CMU Info tab.
2. You may define the following parameters:
• Log Level - sets the minimum fault level that is logged.
• C MU name – identifiable user-defined name.
(Other fields provide version and identification information.)
Figure 6-3. CMU Level Info
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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6.2.2 Viewing Band Level Info
This Band Info tab displays general identification information such as build version, valid filter
definitions and more.
To access the Booster Information window
1. From the left pane, select the 700-800 item.
2. Select the Ba nd Info tab. The relevant parameters are displayed. This includes:
• Build Version
• Filters types and relevant bandwidth – this information is relevant when defining the
RF parameters and sub-bands for each band.
Figure 6-4. Band Level Information
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6.3 Band-Level Configuration Ba ck u p/R estore
The Web GUI management application enables the backup and restore of the band level
configuration options. A number of configuration file s can be stored on the Booster for access and
restoring at any time. The procedures are performed via the Backup/Restore tab.
6.3.1 The Backup/Restore Tab
To access Backup/ Restore tab
In the left pane, click the 700-800 item and click t he Backup/Restore tab. The following screen
appears.
Figure 6-5. Backup and Restore
The file management buttons provide the following options:
Item Description
Backup
Backup the currentl y running configuration file t o a selected location. The
file will be added to the list.
Remark
User defined name that will be assigned to the file sav ed using the Backup
file. (Instead of the system assigned name).
Restore Select and upload an existing band level configuration file.
Delete Deletes the
selected
file from the list.
Refresh Refreshes the displayed list of files.
Upload Enables uploading a configuration file from another location to the Booster.
File Click links to download files and save to another location.
Currently saved files
(click link to Save As)
Backup and restore
operation options
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6.3.2 Backup Band Configuration
To backup the current configurati on
1. In the left pane, click the 700-800 item and then click the Backup/Restore tab.
2. To assign the configuration file a recognizable name, enter a name in the remark field.
Otherwise, the file will be assigned a name by the system.
3. Click the Backup button located on the right-hand side of the tab.
4. The file will be added to the table displayed in the Backup/Restore tab.
Note: The file name (under File) is a link that enables uploading the file to another location.
Figure 6-6. Backup Booster Info
6.3.3 Restoring Band Configurat ion
To restore previous configuration
1. In the left pane, click the 700-800 item and then click the Backup/Restore tab.
2. Select the required configuration file (enable corresponding radio button) from the available list
in the Backup/Restore tab.
3. Click the Restore button.
Figure 6-7. Restore Band Configuration
4. Click on the Control and Params tab and verify that the required configuration settings have
been restored.
1. Select
configuration file
(radio button)
2. Click Restore.
1. Assign tag
2. Click Backup
Currently saved files
(click link to Save As)
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6.3.4 Uploading Band Configuration File
To upload configuration file to Booster
1. In the left pane, click the 700-800 item and then click the Backup/Restore tab.
Figure 6-8. Upload Configuration File
2. Click the Upload button.
3. Select the file from the Browse dialog and click Open.
4. The file will be listed in the Backup/Restore table.
6.3.5 Saving Configuration Fil e t o Compute r
To save a configuration file from the list to a selected location
1. In the left pane, click the 700-800 item and then click the Backup/Restore tab.
Figure 6-9. Save File in a Different Location
2. Select file from list.
3. Click the link in the File column.
4. Select the location in the Browse dialog
Click Upload and
browse
Click desired link
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6.4 CMU Software Upgrade
NOTE: This procedure is performed for every new management version.
The procedure described in this section is used to upgrade the Booster software. The CMU SW
upgrade procedure consists of loading the new software version and installing it in the CCD. The
CMU can store two versions on two separate data banks enabling restore to a previous version.
To Upgrade the CMU SW
1. In the left pane, click the CMU item and then click the CMU SW Upgrade tab. The following
screen appears (the Browse field will be empty).
Figure 6-10. CMU Upgrade
2. Choose and save the file onto the Booster:
• (1) Click Choose File to search for the lo cation and choose the new software file. It
will be displayed adjacent to the Choose Fil e button.
• (2) Select the bank where the file will be stored. (Before it is populated the bank will
be named ‘empty slot’. After it is populated, it will take on the name of the stored
software version). Any existing software file will be re p laced.
• (3) Press Upload to save the file to the selected bank (slot). The available software
files to choose from will be listed.
3. Choose the required software file and click Install.
4. The Activity Log will indicate status and upgrade completion.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage
Date: 17-Jan-16
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7 MONITORING A ND TROUBLESHOOTING
The D-MBR Booster provides the following indications of Booster failure:
• LED: on Booster front panel
• Booster level Alarms Log – displays a log of past and current generated alarms on a Booster level
• Band level Alarms screen – displays currently active band-level alarms
The following sections provide a description of the troubleshooting procedures according to the
Booster LED indicators and the Web Alarms.
7.1 LED Troubleshooting
Two status LEDs are located on the Booster panel – one for the Upl ink and one for the Downli nk.
The LEDs provides the following information:
Color Description Corrective Action
Green Normal (UL or DL) operation Red Power failure (in UL or DL)
Corrective actio n: Turn o ff t he Booster (this action
causes a reset of the function), and turn it on
anew. If the fault resumes, replace the unit.
Blinking
Orange/red
Mute - either user- or
system-initiated.
(System initiated mute may
be due to isolation problem
or temperature).
Check gain of the booster
, if gain is minimum,
then it is an isolation problem -
> improve
isolation.
Turn OFF the Booster (resets the function), and
turn it ON again. If the fault resumes, replace the
unit.
Figure 7-1. UL and DL Status LEDs located on Underside Panel
UL Status LEDs
DL Status LEDs
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7.2 Booster Level Alarms Log
The CMU maintains log files listing every alarm triggered in the Booster. These are displayed in the
Alarms Log screen. This screen provides an analysis tool to get information of any event that has
occurred, its originator, when, if they ret urn, and their type.
NOTE: Time of occurrence of the events is set according to the Booster clock ( 5.4).
To view the CMU log screen:
Click on CMU in the l eft pane and select the Alarms Log tab. The following scree n appears.
Figure 7-2. CMU Log Screen
Item Description
Time Stamp The date and time the alarm was created
Source ID of Network Element
Description Description of event that caused the alarm
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7.3 Viewing Activated Alarms
Click on CMU in the left pane and select the CMU Alarms tab. The followi ng screen appears. The
screen shows any activated Alarms – this includes an y activated dry-contact alarms (if relevant).
Figure 7-3. View Activated Alarms
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7.4 Band-Level Alarms and Troubleshooting
The Alarms tab displays any alarms generated by the bands. The tab is common to both bands .
To display the Band Level Alarms tab
From the left pane, select the 700-800 item and choose the Alarms tab. The relevant alarms are
displayed.
When at fault, each generated alarm is displayed according to the factory set values for that alarm,
as Minor (yellow), Major (orange) or Critical (red).
NOTE: The alarm settings can be modified via the Alarms Configuration tab.
See the following page for alarm descriptions.
NOTE: Use the ACK ALL button to reset ALL displayed alarms.
Alarm Fault and most probable cause and Recommendation
System Mute
Description. Generates an alarm when Booster amplification is
automatically
muted.
Possible causes: Temperature failure, Synthesizer failure,
Hardware failure, Hi gh RSSI power DL/UL when the shutdown mecha nizm is
on.
Recommended actio n: Check the LED and ot her alarm from the Booster.
Contact Cobham Wireless Support
User Mute Description: Manual shutdown performed by operator from the Web GUI.
Recommended action: Review unit’s log
Built In Test Possible causes: Hardware failure, Circuitry failure, Software failure
Recommended action: Contact Cobham Wireless Support
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Alarm Fault and most probable cause and Recommendation
Temperature
Description: Booster
temperature is exceedingly high due to excessive
external heat.
Recommended action: Check the Booster case for external causes (sun,
hot environment, air flow is blocked). Eliminate the reason for excessive
heat.
Donor Power
Too Low
Description: Signal from the Donor antenna (DL) is too low - relatively to
the desired output s ignal configured by the user.
Recommended action:
Check the Donor/Base connections and antenna position. Check the signal
level of the Donor/Base antenna.
If the alarm is still raised, then yo u can raise, the value of the DL Output
Threshold Delta[dBm] as needed
.
(PAmp)
Current
Description: Power Amplifier current is not within limits (too high or too
low). If the Mute option is enabled, then this is not a fault since it indicates
low Power Amplifier current caused by the mute.
Recommended acti on: Check the LEDs status i n the Booster and Contact
Cobham Wireless service s upport.
RSSI
Description: Generates an alarm when a high
donor
input signal causes
system gain reduction
VSWR
Description: This alarm is tr iggered w hen t he retu rn loss o f t he Dow nlink or
Uplink antenna or cable connection exceed the allowed limit.
This alarm provides an indication of the status of the cable/antenna
connected to the antenna. If a cable/antenna is defective, the VSWR is
decreased and the alarm is triggered.
Recommended action: Check the cable.
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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7.5 Modifying A larm Severities
The Alarms Configuration tab is used to modify the factory set level (minor, major or critical) of
specific alarms when they are activated.
To modify the Alarm Severities
• From the left pane, select 700-800 item and choose the Alarms Configuration tab.
• When activated due to a fault, the alarm is displayed in the selected color. The color corresponds
to the alarm level.
• Each alarm can be set to one of the following levels: Minor (yellow), Major (orange) or Critical
(red).
Figure 7-4. Modifying Alarm Severities
D-MBR 3707-3708 PS NFPA CLASS A SIGNAL BOOSTER
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Appendix A – Booster and Charger Specifications
Electrical Downlink Uplink
Frequency Range:
SMR 700MHz
SMR 800MHz
763 - 775 MHz
851 - 869 MHz
793 - 805 MHz
806 - 824MHz
Passband Gain
65 to 95 dB Adjustable in 1 dB steps
Passband Ripple
± 2.5 dB ± 2.5 dB
Gain attenuation range
30 dB
Filter Bandwidth (SMR 700MHz) (*)
Filter Bandwidth (SMR 800MHz) (*)
Programmable 12.5KHz to 75Khz at 12.5Khz steps
Programmable 12.5KHz to 75Khz at 12.5Khz steps
Number of filters in SMR 700MHz
Up to 12
Number of filters in SMR 800MHz
Up to 12
Composite Output Power SMR
700MHz
+ 37 dBm + 28 dBm
Composite Output Power SMR
800MHz
+ 37 dBm + 28 dBm
Noise Figure @ Maximum Gain 5.0 dB
General
Dimensions W x D x H 21.3 x 15 x 12.3 inches (540 x 382 x 313 mm)
Power Supply
36-76 VDC
Power Consumption
350 W
Total RF Input Power (no damage) +10 dBm
Impedance Level 50 Ohm
RF Connector
N-type, Female
VSWR 1.5:1 maximum
Compliance
IC/FCC
Environmental
Operating Temperature
-5 to 122° F (-10° C to +50° C)
Humidity
10% to 90% Condensed
Weight
73 lbs. (33kg)
Enclosure
Aluminium (NEMA4/IP-66)
(*) Every filter above 10MHz utilize 2 FPGA resources
Charger specs
Dimensions W x D x H 13.78” x 18.1” x 5.7” (350 mm x 460 mm x 145 mm)
Power Supply
110VAC
Power Consumption
50 Watt
Dry contact alarms 3 relays for AC fail, charger fail and low battery
Charging time ( 200AH) external
batteries
20 hours
Environmental
Operating Temperature
-5 to 122° F (-10° C to +50° C)
Humidity
10% to 90% Condensed
Weight
28.8 lbs. (13kg)
Enclosure
Aluminium (NEMA4/IP-66)
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