Andrew MP2003B User manual

M0041AFM.doc
User's Guide MR2003B/D
TABLE OF CONTENTS
1. Installation and Setting to Work .........................1
2. Quick-Start Checklist...........................................1
3. Mechanical Installation........................................1
4. Wall Mounting.......................................................1
5. Configuration of the LEDs and Connectors ......2
6. Functional Description.........................................2
7. Cabinet Drawing...................................................3
8. Mechanical Specification.....................................3
9. Environmental and Safety ...................................3
10. Additional Features of the MR2003 ....................3
10.1. Channel Setting 3
10.2 . Center Frequency 4
10.3. Center Frequency Offset 4
10.4 . Attenuation Setting 5
11. Alarming and Supervision...................................5
11.1. Functional Description of the Alarming-Interface 5
11.2. Output-Contact Configuration 5
11.3. Output-Contact Descriptions 6
12. Heartbeat Setting..................................................6
13. Application............................................................7
13.1. Repeater Supervision via SMS Transmitter 7
13.2. Repeater Supervision via Party-Line 7
13.3. Repeater Supervision via Party Line and SMS
Transmitter 7
14. The MR2003B/D-SMS – Optional Equipment.....8
15. List of Changes.....................................................9
1. Installation and Setting to Work
The electrical installation has to be performed in
accordance with the safety regulations of the local
authorities. Due to safety reasons the electrical
installation must be performed by qualified
personnel only. The repeater must not be opened.
The antennas of the repeater (integrated and / or
external) have to be installed in a way that the
regional and national RF exposure compliance
requirements are met.
The MR2003 is only intended for indoor
usage!
2. Quick-Start Checklist
Adjust channel(s); see chapter 10.1.
Mount the repeater; see chapter 4.
Install antennas (donor and coverage antenna)
Provide the repeater with power.
Adjust the attenuation; see chapter 10.4.
Start the adjustment with the maximum attenuation
and decrease attenuation until the ALC becomes
active and the ALC alarm LED lights up. Then
increase attenuation until the ALC alarm is inactive
again.
or
Select ‘Auto-setup’; see chapter 10.4.
Check the LEDs of the repeater; see chapter 11.
3. Mechanical Installation
The mechanical installation has to be done according
to the instruction in the following chapter. Mount the
unit horizontally only.
4. Wall Mounting
The miniRepeater may only be mounted
horizontally to a wall according to the above
drawing to ensure the natural convection
cooling. Do not mount the miniRepeater to the
ceiling!
Always choose a mounting location that
avoids condensation!
Wall Mounting
bracket
miniRepeater V1550_X03

User's Guide MR2003B/D
Andrew Wireless Systems * Industriering 10 * 86675 Buchdorf * Germany *
Phone: +49 9099 69-0 * Fax: +49 9099 69-930 *
email: WIsupport.germany@andrew.com * http://www.andrew.com
Page 2
5. Configuration of the LEDs and Connectors
G0783ZR
The MR2003B is equipped with an integrated (indoor)
antenna and with an RF port to/from the Node B to the
donor antenna.
The RF connector (SMA female) is situated in the
middle of the connector panel of the repeater. This
port has to be connected to the RF cable of the donor
antenna to/from the Node B.
The MR2003D is equipped with an external (indoor)
antenna port and with an RF port at the opposite side
to/from Node B.
The RF connector (SMA female) is situated in the
middle of the connector panel of the repeater. This
port has to be connected to the RF cable of the donor
antenna to/from the Node B. The RF port connector
to/from the user equipment at the opposite side has to
be connected to the RF cable to the external indoor
antenna that establishes the communication with the
user equipment (UE).
The socket for the DC supply is situated on the right
of the RF connector to/from the Node B
(MR2003B/D). Power supply voltage is 6.7 to 7.5 Vdc,
current is 1.7 A typ. Use the PSU supplied only.
There are two possibilities to provide the MR2003 with
power:
The first one is to use an external power supply and
connect it to the DC socket of the repeater. The other
one is to bias the MR2003 via the cable to the RF port
to/from Node B.
For the external power supply, only the power supply
that was shipped with the unit must be used. If the
MR2003 is biased, make sure that the correct voltage
is fed into the MR2003. Furthermore, the DC socket of
the repeater must not be connected if the bias via RF
cable is used.
The gain of the MR2003 repeater can be adjusted (by
internal attenuation) via a rotary switch; alternatively,
the gain of the repeater is controlled by the auto-setup
feature, see chapter 10.4 Attenuation Setting.
To get access to the rotary switch, the cover has to be
removed.
6. Functional Description
The MR2003 is a repeater operating in the UMTS
frequency range. The operation principle is given with
regard to the following block diagrams.
MR2003B
MR2003D
Downlink signals reach the duplexer, i.e. the
frequency separation unit that splits and re-combines
uplink (UL) and downlink (DL).
From the duplexer, the signals get to a pre-amplifier
and afterwards to a mixer. The mixer converts the
signals down to an intermediate frequency (IF). An IF
filter provides the selectivity of the repeater. After the
IF filter, the signals are re-converted to the original
frequency by means of another mixer. A final amplifier
boosts the signal and provides the required output
power.
After the final amplifier, a power detection measures
the output power and controls the gain. This feature is
the automatic level control (ALC) and keeps
intermodulations and spectrum emissions below the
limits of 3GPP 25.106. Finally, the signals are fed to
the integrated antenna (MR2003B) or the external
antenna (MR2003D).

M0041AFM.doc Page 3
The UL signals are received by the integrated
antenna (MR2003B) or the external antenna
(MR2003D) and are then fed to the duplexer. After the
duplexer a pre-selection of the frequency is made.
Then the signals are converted down to IF by means
of a mixer. An IF filter provides the selectivity against
other frequencies.
The signals are re-converted and are amplified in an
amplifier that provides the output power. The signals
are then fed to the donor antenna via the duplexer.
In this link, an ALC is provided, too.
7. Cabinet Drawing
G0825Z8
8. Mechanical Specification
Height x Width x Depth:
MR2003B/D: 114 x 154 x 51.5 mm
(4.5 x 6 x 2 inch)
MR2003B/D-SMS: 226 x 310 x 75 mm
(8.9 x 12 x 3 inch)
Weight:
MR2003B/D: 0.7 kg (1.5 lb)
MR2003B/D-SMS: 2 kg (4.4 lb)
Sealing Class:
MR2003B/D: IP30
MR2003B/D-SMS: IP20
All data is subject to change without notice.
9. Environmental and Safety
The specifications for environmental and safety are
according to ETS 300 019 (European Tele-
communication Standard). For further details please
ask your supplier.
10. Additional Features of the MR2003
The MR2003 now provides new features. Thus, for
system setup observe the settings and descriptions in
this instruction.
10.1. Channel Setting
Two rotary switches are provided for setting the
center frequency (CF) and center frequency offset
(CFO) of the individual channels of the UMTS
frequency band.
Rotary switches for center frequency setting
MR2003B/D
Rotary switches for start-frequency setting of the
MR2003B/D-SMS
CF settin
g
(p
ositions 0 - B
)
CFO setting (positions 0 - F)
CF switch
CFO switch LEDs
CF setting (positions 0 - B)
CFO setting (positions 0 - F)

User's Guide MR2003B/D
Andrew Wireless Systems * Industriering 10 * 86675 Buchdorf * Germany *
Phone: +49 9099 69-0 * Fax: +49 9099 69-930 *
email: WIsupport.germany@andrew.com * http://www.andrew.com
Page 4
10.2. Center Frequency
The position of the CF rotary switch and the type of SAW filter used (5 MHz, 10 MHz or 15 MHz) decide which
channel(s) of the UMTS band will be amplified.
1 2 3 4 5 6 7 8 9 10 11 12 UMTS-Channel
0 1 2 3 4 5 6 7 8 9 10 11 CF-Setting
1920 1930 1940 1950 1960 1970 1980 MHz (UL)
2110 2120 2130 2140 2150 2160 2170 MHz (DL)
UMTS frequency band
In case of 10 MHz or 15 MHz filters, more than one channel will be amplified by one setting. Thus, the A and/or B
positions must not be used. The center frequency set is always that of the lowest channel.
SAW Filter 5 MHz
Rotary switch position 0 1 2 3 4 5 6 7 8 9 A B
Amplified channel(s) 0 1 2 3 4 5 6 7 8 9 10 11
SAW Filter 10 MHz
Rotary switch position 0 1 2 3 4 5 6 7 8 9 A B
Amplified channel(s) 0,1 1,2 2,3 3,4 4,5 5,6 6,7 7,8 8,9 9, 10 10,11 ---
SAW Filter 15 MHz
Rotary switch position 0 1 2 3 4 5 6 7 8 9 A B
Amplified channel(s) 0-2 1-3 2-4 3-5 4-6 5-7 6-8 7-9 8-10 9-11 --- ---
CF setting
10.3. Center Frequency Offset
A center frequency offset from 0 to 700 kHz (+ or -) may be set in steps of 100 kHz. Each rotary switch position
equals one step, no CFO is set at positions 0 and 8. Positions 1-7 set a CFO of +100 kHz per step, positions F-9
set a CFO of -100 kHz per step.
Rotary
switch pos. 0 1 2 3 4 5 6 7 8 F E D C B A 9
CFO in 100
kHz 0 +1 +2 +3 +4 +5 +6 +7 0 -1 -2 -3 -4 -5 -6 -7
CFO setting

M0041AFM.doc Page 5
10.4. Attenuation Setting
The attenuation can be set by means of a rotary
switch. Use a small screwdriver to turn the switch
carefully to the position for the required attenuation.
The label below the rotary switch shows the possible
positions and the corresponding values of the
attenuation.
Rotary switch for attenuation setting
When auto setup is selected, the MR2003 will
automatically set its gain to maximize its performance.
The DL gain will be set in a way to operate the
repeater at its maximum output power but not
exceeding the ALC limit. The UL gain will be set to the
value of the DL path.
If the level of the Node B signal increases, the
MR2003 will decrease the gain in DL and UL
automatically, however, the MR2003 will increase the
gain again in timely intervals of 24 hours if the level of
the Node B signal decreases.
11. Alarming and Supervision
11.1. Functional Description of the Alarming-
Interface
For alarming and supervision the MR2003 is provided
with an alarming interface represented by two LEDs
and output contacts:
LEDs and output contacts
LED1: This three-colour LED provides visual
equipment status information:
off : no power feed
green : normal operation condition
orange:hardware alarm (out of defined
power-window) or LO does not lock
red : temperature of repeater too high
LED2: This one-colour LED provides visual
information about the ALC-status (Automatic
Level Control)
off : normal operation condition
red : ALC-Alarm, ALC active
11.2. Output-Contact Configuration
6 GND
Output1
(TTL level) 5 Heartbeat
1 Hardware-
Alarm – C
Output2
(Optocoupler
output) 3 Hardware-
Alarm – E
2 ALC-Alarm – C
Output3
(Optocoupler
output) 4 ALC-Alarm – E
Output-contact configuration
LED 2LED 1
Output connector
LED 2LED 1

User's Guide MR2003B/D
Andrew Wireless Systems GmbH * Industriering 10 * 86675 Buchdorf * Germany *
Phone: +49 9099 69-0 * Fax: +49 9099 69-930 *
email: WIsupport.germany@andrew.com * http://www.andrew.com
Page 6
11.3. Output-Contact Descriptions
Output1: This is a transistor output for heartbeat
signalling. The heartbeat interval can be
set in the 1-to-72-hours range.
12. Heartbeat Setting
The heartbeat interval can be set by means of a rotary
switch which is accessible on the MR2003 top. Use a
small screwdriver to turn the switch carefully to the
position for the required interval (1 to 72 hours)
according to the label in the cover. For the position of
the label in the cover see illustration MR2003D with
cover and MR2003B with cover.
0 not allowed 2 1 h A 24 h
1 not allowed 3 2 h B 30 h
4 3 h C 36 h
5 4 h D 48 h
6 5 h E 60 h
7 6 h F 72 h
8 12 h
9 18 h
Heartbeat-switch settings
MR2003D with cover
MR2003B with cover
MR2003B
In a remote control system, heartbeat signalling is a
very useful method to monitor whether the supervision
connection to a device is still alive. Without heartbeat
signalling, there would be no indication in case the
supervision connection broke down and the OMC
would show no alarm because it no longer received
any information.
For simple remote control, a standard SMS alarm
transmitter is provided. Connecting this SMS alarm
transmitter to the heartbeat signalling output will
initiate regular SMS sending to the OMC, thus,
indicating that the connection to the device is still alive
and able to report an alarm if there is one. If the
connection is down or the device is malfunctioning,
there will be NO heartbeat SMS and an alarm is
raised at the OMC.
Output2: This optocoupler output, which is signalling
the operating condition, represents the same
functionality as LED1.
Collector-emitter voltage......50 V max.
Collector current..................20 mA max
output voltage........4.75 to 5.25 V
output current........20 mA max
1kOhm
+5
Position of the rotary
switch for setting of
heartbeat interval
Position of the rotary
switch for setting of
heartbeat interval

M0041AFM.doc Page 7
oopen power feed out of defined window
or PLL-Alarm
or Temp.-Alarm
oclose normal operation condition
Output3: This optocoupler output, which is signalling
the ALC condition, represents the same
functionality as LED2.
oopen
:
ALC-Alarm, ALC active
oclose
:
normal operation condition
13. Application
In the following two possible supervision applications
are sketched. With the knowledge of the physical and
logical behaviour of the alarming interface (more
details can be derived from the data sheet of the
according miniRepeater) there are a lot more different
applications to suit the individual networks.
13.1. Repeater Supervision via SMS Transmitter
In this setup, a GSM-based SMS transmitter is
attached to every single miniRepeater. The box
provided includes a GSM modem, an SMS generator
and power supply unit. This box is connected via a
six-wire interface to the miniRepeater. After
configuring the SMS transmitter (keeping the default
values is also possible), the miniRepeater has to be
added in the OMC (via ID No or phone number of the
SIM-card in the modem) and it will be integrated into
the supervision network. For further information,
please refer to the SMS transmitter manual.
Supervision via SMS transmitter
13.2. Repeater Supervision via Party-Line
In this setup, several miniRepeaters are connected to
a three-wire party-line representing a Wired-OR
functionality of the alarms of a group of
miniRepeaters. If it is not required to distinguish
between the two alarm types, a single two-wire
connection is sufficient. Do not exceed summary
voltage and current limits as stated in chapter 11
Alarming and Supervision.
Party-line supervision without SMS transmitter
13.3. Repeater Supervision via Party Line and
SMS Transmitter
In this setup, several miniRepeaters are connected to
a three-wire party line, representing a Wired-OR
functionality of the alarms of a group of
miniRepeaters. If it is not required to distinguish
between the two alarm types, a single two-wire
connection is sufficient. The two or three-wire party
line is connected to the AUX connector of the SMS
Transmitter. Do not exceed summary voltage and
current limits as stated in chapter 11 Alarming and
Supervision. For further information, please refer to
the SMS transmitter manual.
Party-line supervision with SMS transmitter
Heartbeat (output1)
HW Alarm
(tt2)
ALC Alarm (output3)
miniRepeater
Heartbeat (output1)
HW Alarm
(output2)
ALC Alarm (output3)
miniRepeater
Heartbeat (output1)
HW Alarm
(output2)
ALC Alarm (output3)
miniRepeater
Heartbeat (output1)
HW Alarm
(output2)
ALC Alarm (output3)
miniRepeater
Summary
A
larm
A
LC
A
larm
HW
A
larm
Collector-emitter voltage......50 V max.
Collector current..................20 mA max
Heartbeat (output1)
HW Alarm (output2)
ALC Alarm (output3)
miniRepeater SMS Transmitter
S
M
S
G
e
n
e
r
a
t
o
r
GSM-
MODEM
PSU

User's Guide MR2003B/D
Andrew Wireless Systems GmbH * Industriering 10 * 86675 Buchdorf * Germany *
Phone: +49 9099 69-0 * Fax: +49 9099 69-930 *
email: WIsupport.germany@andrew.com * http://www.andrew.com
Page 8
14. The MR2003B/D-SMS – Optional
Equipment
As an option, the MR2003 Model B or D can also be
equipped with an SMS transmitter and a larger
bracket. Then it looks like this:
MR2003B/D-SMS layout with cover
MR2003B-SMS components, top
MR2003B-SMS components, bottom
MR2003D components, top
MR2003D components, bottom
Please refer to the manual “MO9/18 and MO85/19
SMS GSM Alarm Transmitter” for more information
about the SMS transmitter hard- and software.
MO9/18
SMS GSM
Transmitter
Directional
coupler
Control board with
supervision interface
Heartbeat switch
MO9/18
SMS GSM
Transmitter
Directional
couple
r
Connector for
covera
g
e antenna
Connector for
donor antenna
Control board with
su
p
ervision interface
Heartbeat switch
Connector for
donor antenna

M0041AFM.doc Page 9
15. List of Changes
Version Changes
Release
Date
M0041AFL 15-Nov.-
2006
M0041AF
M - Chapter 14 updated 26-June-
2007
©Copyright 2007 Andrew Wireless Systems GmbH
All rights reserved.
All information contained in this manual has been revised
thoroughly. Yet Andrew Wireless Systems accepts no liability for
any omissions or faults.
Andrew Wireless Systems reserves the right to change all hard- and
software characteristics without notice.
Names of products mentioned herein are used for identification
purposes only and may be trademarks and / or registered
trademarks of their respective companies.
No parts of this publication may be reproduced, stored in a retrieval
system, transmitted in any form or by any means, electronical,
mechanical photocopying, recording or otherwise, without prior
written permission of the publisher.
Andrew Wireless Systems GmbH, 26-June-2007
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