pico repeater user manual
TRANSCRIPT
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SGR-R3B1C-100mw/S/V PICO Repeater User Manual
G/D/W Wireless Pico Repeater
SGR-R3B1C-100mw/S/V
User manual
Copyright 2006-2010 Shenzhen GrenTech Co., Ltd. All rights reserved.
In accordance with the Copyright Law of the People's Republic of China and Universal Copyright Convention, Shenzhen GrenTech Co., Ltd. holds the copyright of this
document, and reserves all rights thereof. W ithout written permission from Shenzhen GrenTech Co., Ltd., no part of this document may be used, reproduced,
transmitted, or otherwise by any party in any means.
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Content
1 GENERAL INFORMATION............................................................................................................................................5
2 EQUIPMENT DESCRIPTION ........................................................................................................................................7
2.1 DEVICE FUNCTIONAL BLOCK DIAGRAM ........................................................................................................................7
2.2 TECHNICALSPECIFICATIONS ........................................................................................................................................7
3 INSTALLATION ...............................................................................................................................................................9
3.1 WARNINGS AND ALERTS ......................................................................................................................................................9
3.2. SITE CONSIDERATIONS......................................................................................................................................................10
3.3 INSTALLATION LOCATION ..................................................................................................................................................10
3.4 ISOLATION.........................................................................................................................................................................10
3.5 ENVIRONMENTAL .............................................................................................................................................................. 11
3.6 POWERING ........................................................................................................................................................................ 11
3.6.1 Grounding requirement ............................................................................................................................................. 11
3.6.2 Manual handling....................................................................................................................................................... 11
3.7 INSTALLATION PROCEDURES ............................................................................................................................................. 11
3.7.1 Goods inspection....................................................................................................................................................... 11
3.7.2 Tools ......................................................................................................................................................................12
3.7.3 Preparation............................................................................................................................................................12
3.7.4 Installation steps: ..................................................................................................................................................12
3.8 TROUBLE SHOOTING ...................................................................................................................................................16
4 SYSTEM OVERVIEW.........................................................................................................................................................18
4.1 SYSTEMCOMPOSITION
...............................................................................................................................................184.1.1 NMS Software ........................................................................................................................................................18
4.1.2 Communication Channel .......................................................................................................................................18
4.1.3 Repeater ................................................................................................................................................................18
4.2 SYSTEM INSTALLATION AND CONFIGURATION ............................................................................................................19
4.2.1 System Requirement...............................................................................................................................................19
4.2.2 Software Environment ...........................................................................................................................................19
4.2.3 Hardware Environment .........................................................................................................................................19
4.3 SYSTEM STRUCTURE AND FUNCTIONALITY ................................................................................................................19
4.3.1 Functional Structure ..............................................................................................................................................19
4.3.2 System Login .........................................................................................................................................................19
4.3.3 Area Site Management...........................................................................................................................................20
4.4 DEVICE MANAGEMENT ...............................................................................................................................................21
4.4.1 Device list ..............................................................................................................................................................22
4.5 CONNECTION MONITORING UNIT AND CONFIGURATION ............................................................................................24
4.5.1 Connection Monitoring Unit .................................................................................................................................24
4.5.2 Site Configure ........................................................................................................................................................24
4.5.3 Setting theparameters ...........................................................................................................................................25
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5 DESCRIPTION OF COMMON ALARM PARAMETERS.........................................................................................28
5.1 COMMON ALARMS .....................................................................................................................................................28
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Safety Warning
Users must follow the below principles
1. Repeater should follow system requirement of communication equipment, assure good
groundings and lightning protection.
2. The power supply voltage of repeater should meet the standards of security requirement;
any repeater-operator can operate only after cutting power in advance. Only the
professional can operate electrified.
3. Do not dismantle machine, maintain or displace accessories by yourself, because in thisway, the equipment may be damaged or even get an electric shock.
4. Do not open the repeater; touch the module of repeater, even not to open the cover of
module to touch the electronic component, the components will be damaged due toelectrostatic
5. Please keep away from heating-equipment, because the repeater will dissipate heat when
working. And do not cover repeater with anything that influences heat-dissipation.
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1 GENERAL INFORMATION
Grentech G/D/W wireless Pico Repeater is designed for GSM900 /DC1800/WCDMA2100
System, the repeater acts as the back-end of the indoor distribution system. Based on a series of
advanced technologies, the G/D/W wireless pico repeaters developed by Grentech have the following
characteristics:
State-of-the-art microwave CAD design, which ensures the stability and reliability of the product
Support GSM900,DCS 1800 and WCDMA 2000 network,Customers can select efficient GSM900
and DCS1800 .working band with the select passive RF filter directly
Modular design, making the product highly stable and reliable and easy to maintain.
High-performance switch power supply, ensuring stable operation of the equipment
Using the common RF cables to guarantee the even distribution of indoor signals and minimize
the construction influence and user investment
The system is steady, convenient for installation and maintenance
It is used in buildings, large shopping places, large underground parking garage, exhibition
centers and workshop buildings, resulting in well distributed signal coverage in those places.
Figure: application demonstration 1
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Figure: application demonstration 2
Figure: application demonstration 3
The following pictures show the enclosure of equipment
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Device framework dimension:
lengthunit: mm widthunit: mm Highunit: mm weight approx.Unit: Kg
420 300 100 9
2 EQUIPMENT DESCRIPTION
2.1 DEVICE FUNCTIONAL BLOCK DIAGRAM
Power Amplif ier (PA): The PA is used to amplify the demand carriers effectively.
Duplexer (DPX): The DPX is located towards the DT and MT connections, used to combine/divide
the uplink and downlink signals.
Low Noise Amplifier (LNA): One Low Noise Amplifier (LNA) is installed in each UL/DL branch.
Power Supply Unit (PSU): Power supply adapter (220V/AC).
2.2 TECHNICAL SPECIFICATIONS
RF Specifications
Item GSM 900 DCS 1800 WCDMA
RF band(MHz))UL 906.7-915 1730-1750 1920-1935
DL 951.7-960 1825-1845 2110-2125
Output power UL 15dBm, DL 20dBm
Max gain UL 60dB ; DL 70dB
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AGC 20dB
SAW filter Yes
Max InputGSM DCS WCDMA
0dBm 0dBm 8dBm
Outband gain
400kHz
600kHz1MHz
5MHz
Gain flatness 6dB 6dB 6dB
Noise figure 7dB
V.S.W.R 2.0
Frequency stability 0.01ppm
Gain control 31dB in step of 1dB
Group delay 1.5s
Accuracy of modulation
in WCDMA
12.5%
Intermodulation
products
9KHz~1GHz -36dBm @ 3KHz
1GHz~12.75GHz -30dBm @ 3KHz
Spurious
emission
9KHz~1GHz -36dBm @ 3KHz
1GHz~12.75GHz
-30dBm @ 3KHz
Power, Mechanical & Structural Specif ications
Input voltage range 110V-250V/45Hz-55Hz.
Outline dimension 420*300*100mm
Weight 9Kg
Housing material Metal
Impedance 50
Connector type N-F
Cooling mode Convection
EnvironmentalConditions
Operating temperature -10C ~ 55C
Storage temperature -45C ~ +85C
RF Specifications
Relative humidity 5% ~ 95%
Atmospheric pressure 70kPa ~ 106kPa
Operating grounding IP53
Noise 51dBA
Odor Free of abnormal odor or harmful gasesMBTF > 50000 hours
Monitor Function
Local monitor PC via 232 interface or Monitor unit
Remote monitor (NMS) Via wireless modem
Consumption power 20W
58dB
40dB
30dB
22dB
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Monitor parameter
Power failure alarm, Power module status alarm,
Door control alarm, Failure of the uplink
low-noise amplifier, Failure of the downlink low-noise amplifier,
Overpower of the uplink power amplifier, Overpower of the
downlink power amplifier, Over-temperature of the uplink
power amplifier, Over-temperature of the downlink power
amplifier, SWR alarm of the uplink power amplifier, SWR alarm
of the downlink power amplifier
3 INSTALLATION
3.1 WARNINGS AND ALERTS
Radio Frequency energies
There may be situations, particularly the workplace environments near high-powered RF sources,
where recommended limits for safe exposure of human beings to RF energy could be exceeded. In
such cases, restrictive measures or actions may be necessary to ensure the safe use of RF energy.
High voltage
The equipment has been designed and constructed as to prevent as far as reasonably practicable
danger. Any activity, such as installation, operation and maintenance, on or near the equipment must
be as far as reasonably free from danger.
Where there is a risk of damage to electrical systems due to adverse weather, extreme temperatures,
wet, corrosive or dirty conditions, flammable or explosive atmosphere, then the system must be
suitably installed to avoid such a danger.
Protective Earthing
Equipment provided for the purpose of protecting individuals from electrical risk must be properly used
and maintained.
Handling Precautions
Precautions should be taken in equipment handling activities including lifting, lowering, pushing, pulling,
carrying, moving or holding, or the activities to restrain an object, animal or a person from the
equipment, or the activities when extra efforts are needed such as pulling a lever, or operating power
tools.
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ESD
Take necessary precautions when handling ESD-sensitive devices. Assume that all solid-state electronic
devices are ESD-sensitive. Do use a grounded wriststrap or the like while working with ESD-sensitive
devices. Transport, store, and handle ESD-sensitive devices in static-safe environments.
3.2. SITE CONSIDERATIONS
The repeater is designed to be used for indoor coverage, so temporary protection should be taken
whenthe equipment enclosure is opened for installation or maintenance. The equipment must not be
opened for installation or maintenance in bad environment (e.g. gale, storm, extreme temperatures and
high humidity).
3.3 INSTALLATION LOCATION
Mounting surface shall be suitable to support the equipment weight: for this equipment, the weight is about
9kg and the necessary installation space is about 420*300*100mm. The downlink maximum input signal
power at Repeaters donor port should be not more than - 25dBm.
3.4 ISOLATION
Commonly, to prevent repeater from oscillation, the isolation between donor antenna and service
antenna should Max gain + 15dB. For the GSM900 pico repeater, onsite isolation between donor
antenna and service antenna should be not less than 75dB.
Isolation is not usually a problem when a directional antenna is used for the Donor and/or the
Coverage antenna. Of course, pointing either antenna at the other would cause a problem and should
not be done. In addition, since directional antennas have a narrow pattern, compared to an
omni-directional antenna, it is unlikely they will overlap when the directional Donor antenna is high up
on the building and the Coverage antenna is low inside the building (in most cases).
Lastly, isolation can be eliminated by the same things that cause reception problems in the first place.
Those things being concrete, steel, brick, aluminum, etc. Placing these materials between the
antennas prevents their signal patterns from overlapping. For example, your building has a metal roof
and you install the Donor antenna above the roof and the Coverage antenna below the roof. The
antennas are effectively isolated.
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3.5 ENVIRONMENTAL
Humidity can affect the reliability of the equipment. It is recommended to install the equipment in the
location having stable temperature and un-restricted air-flow. This equipment is designed to operate
within the air temperature range of 0Cto +50Cwhen the relative humidity 95%. The barrier device
should be installed to protect the equipment from sunlight exposure.
3.6 POWERING
The power supply adapter provides power to repeater. It operates at 110V-250V/45Hz-55Hz.
3.6.1 Grounding requirement
Verify the equipment has been well grounded, this includes antennas (especially the donor antennas)
and all cables connected. Ensure lightning arrester protection for the antennas is properly grounded.
3.6.2 Manual handling
During transportation and installation, take necessary handling precautions to avoid potential physical
injury to the installation related personnel or damages to the equipment.
3.7 INSTALLATION PROCEDURES
3.7.1 Goods inspection
Verify the number of packages received according to the packing list.
Check all packages for external damage; report any external damage to the shipping carrier. If
there is damage, a shipping agent should be present before unpacking and inspecting the
contents because damage caused during transit is the responsibility of the agent.
Open and check each package against the packing list. If any items are missing, please contact
Grentech.
Do not remove items from antistatic packing until installation. If damage is discovered at the time
of installation, please contact the shipping agent.
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3.7.2 Tools
Refer to the following table for a full list of the recommended tools required for installation.
Table Installation tools and materials for repeater
Tools
Adjustable Spanner 24mm Socket spanner s=6 Phillips screwdriver
Screwdriver Diagonal pliers Nipper pliers
Cable prep tool(for install the connectors) Scissors Crimping tool
Cutter Allen Key
Installation materials
3-meter-long waterproof insulation tape Installing support and fittings Copper lug
Cable ties
In addition, the following are required for the system grouping:
Lightning arrestor Grounding rod (angle steel) Grounding flat steel
Grounding downlead
3.7.3 Preparation
Repeater:
Weight support capability of mounting surface or pole : 9kg
Power input 220V/AC
Terminate unused antenna ports with a 50 ohm terminator.
Earthing point/Safety ground within about 3m.
Antenna:
Antenna installation is covered by their respective manuals. Take normal precautions when
preparing and handling feeder cables to ensure they are not damaged.
3.7.4 Installation steps:
Step 1
Start by taking your Spectrum Master up to the roof or other location outside to find where the signal is
strongest.
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Step 2
Temporarily mount the Donor (outside) antenna in that location. You may need to adjust and move the
antenna later.
The direction of donor antenna to BTS selected. Like the below mention:
Step 3
Run coaxial cable into the building to a convenient loaction (attic, etc.) where you can also get
standard 110V-250V/45Hz-55Hz power for the PICO Repeater.
Step 4
Mount your coverage (inside) antenna in a productive location. You may need to adjust or move the
antenna later.
There are a couple types of coverage antennas used in our repeater systems. Each one has a specific
purpose.
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Step 5
Place the repeater in that location and connect the coaxial cable to the Donor Side of the repeater and
the donor antenna.
1. Drill holes on the installing support. Then fix the repeater to the wall using expansion bolts.
2. Place the repeater on the wall properly.
3. Tighten the bolts at the relevant places to secure the enclosure to the repeater.
4-M18 expansion bolt
50-70mm long
With certain number
of flat and spring washers
WallRepeater
LOC
AC
Alarm
BTS Remote PWR
Donor antenna cable BSDonor port Service antenna cable ( Remote ) Service port 220VAC import AC
Local monitoring interface LOC
Power indicator PWR ALC Alarm indicator Alarm
Caution: Risk of explosion if power is replaced by an incorrect type.
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Step 6
1. Connect to donor antenna and service antenna.
2. Connect coaxial cable between the coverage antenna and the repeater output port. And also
lightning arrestor must be used to between coaxial cable and the repeater output port.
3. Connect the power line to repeater, and can control repeater power supply by 10A power brake.
Step 7
Power up the system and check for signal inside the building. If needed, tune system by moving and or
pointing the Donor and Coverage antennas until they get the most signal possible.
Step 8
Secure all antennas and cables, securely mount the repeater and clean up the installation.
Step 9
Ground connection: To ensure safe operation of the product, a ground (earth) connection is required.
For single phase AC power source, the product must be grounded by connecting the earthwireofthe
power cord to the ground terminal of the AC supply. For operating this product with DC power system
(such as rectifiers), the product should not be connected to power systems that switch open the return
lead because the return lead could function as the ground (earth) connection for the equipment. In
general, do not connect the supply before establishing an adequate ground (earth) connection.
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3.8 TROUBLE SHOOTING
Failure
phenomenaCause analysis Solution
1.No signal in
coverage area
1.Repeater may not work
2.Abnormal function
3.Failure in antenna and feeder
system
4.Failure in signal source base
station
1.Check whether the power system functions is
ok2.Failure in downlink unit, replace the unit or
repeater
3.Check the stationary wave of antenna and
feeder system, and the direction of the
antenna
4.Check whether signal source base station
works well
2.Good downlink
signal with poor
communication
quality
1.Failure in uplink channel
2.Reverse interference in
repeater coverage area
3.The signal is not pure
4.Unqualified uplink and downlink
isolation
5.Failure in signal source base
station(small possibility)
6.Imbalance between uplink and
downlink
1.Test uplink module hierarchically, to see
where the problem is and replace it
2.Check whether theresinterference
3.Analyze in the aspect of network whether the
received signal is pure; whether it satisfies
signal receiving requirements
4.Add an isolation network or decrease system
gain in terms that the angle of donor repeat
antenna does not affect coverage area
5.Consult the operator whether the signal
source base station works well
6.Adjust uplink gain to balance uplink and
downlink
3.Poor signal in
coverage area
1.Failure in donor antenna and
feeder system
2.Inside module of the repeater is
not stable
3.Slight oscillation of the repeater
4.Inappropriate handoff under
MS special mode
5.Check whether the donor
antenna is stable
1.Check whether antenna angle, pitch angle,
stationary wave of antenna and feeder system
function well
2.Replace the unstable equipment
3.Increase isolation(between donor antenna
and service antenna)
4.Check MS handoff, handoff cause and work
out solutions
5. Test coupling base station signal by
frequency spectrum. If the signal is not stable
and pure, direct the donor antenna to the donorbase station or replace the base station
4.High drop-off
rate, call
interruption and
signal call
1.Repeater performance
weakens, and power decreases
2.Probably oscillation in
coverage area
3.Imbalance between uplink and
downlink
1.Check the function of the repeater and
replace it
2.Check out the interference and eliminate it
3.Readjust uplink and downlink gain of the
repeater
4.Increase isolation between uplink and
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4.Insufficient isolation of the
equipment
5.Inappropriate parameter setting
of the BTS
6.No primary pilot
downlink isolation
5.Check whether the parameters of selection
and handoff of the repeater is qualified
6.Adjust donor antenna, or replace signal
source base station or optimize partly the
network
5.Repeater
coverage area
decreases
1.Downlink power decreases
2.High VSWR of antenna and
feeder system
3.Uplink interference in repeater
overage area
4.Donor signal of the repeater
weakens
1.Adjust downlink power
2.Check VSWR of the repeater and eliminate it
3.Check the interference source and eliminate it
6.MS access time
is too long incoverage area
1. Imbalance between uplink and
downlink
2.Interference of reverse link3.Isolation difference between
uplink and downlink
1.Adjust uplink and downlink gain
2.Check out the interference source
3.Increase uplink and downlink isolation,secondary isolation with isolator or filter
7.Frequent
handoff in
coverage area
1.Repeater antenna angle is not
well adjusted
2.Repeater signal source is not
well selected
3.Adjust the coverage mode of
repeater surrounding base
stations
1.Adjust the angle of the antenna
2.Replace with high gain antenna
3.Adjust coverage mode of surrounding base
stations
8.Call failure in
donor base
station coverage
area
1.Serious oscillation of the
repeater
2.Failure in the base station
1.Set appropriate gain and increase isolation
2.Contact operator to solve the problem of base
station
9.Stationary wave
alarm
Probably the antenna and feeder
system or the duplexer is in
failure
The biggest problem is duplexer. Test the uplink
and downlink of the duplexer by frequency
spectrum, and see whether the attenuation is
too big.
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4 SYSTEM OVERVIEW
The SimpleNMS is the simplified NMS developed on the basis of the China Mobile test tool at the
request of the International Marketing Division and the related personnel from the MonitoringDepartment and Test Department. Compared with the integrated NMS, this simplified version offers
less functions, with only the major functions retained, for example, NE maintenance and device
monitoring.
This software is easy to use and install, and does not have any problems in intellectual property rights.
This software does not use any third-party software, for example, electronic map and Sql Server
database, and so is a kind of greensoftware,which is highly flexible in marketing.
4.1 SYSTEM COMPOSITION
System Structure Diagram
As the small-scale monitoring software based on the desktop database, the SimpleNMS can monitor
the units that comply with the protocols of China Mobile and China Unicom and others.
4.1.1 NMS Software
The NMS software consists of the main program, auxiliary tool, and database, of which the main
program operates with the sites. The operated data are stored in the database.
4.1.2 Communication Channel
All repeaters in the system can communicate with the NMS via direct cable connection, GSM or CDMA
short messages.
4.1.3 Repeater
A set of device may consist of various devices and systems. The device in this system means all the
repeaters that are connected to the NMS.
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4.2 SYSTEM INSTALLATION AND CONFIGURATION
4.2.1 System Requirement
4.2.2 Software Environment
Operating system: Windows2000/XP and above
4.2.3 Hardware Environment
CPU primary frequency: above 800M
Memory: about 128M
Other devices: motherboard with serial ports, wirelessGSM/CDMAMODEM
4.3 SYSTEM STRUCTURE AND FUNCTIONALITY
4.3.1 Functional StructureThe Simple NMS implements the following functions: system login, device maintenance, device
monitoring, communication method management, multiple-protocol access, and data query.
4.3.2 System Login
The system provides two login modes: common login and automatic login.
4.3.2.1 Common Login
For common login, you should enter [User Name] and [Password], and click [OK] or press Enter to
access the system main interface.
The first time you use this system, log in to the system by using the default initial user name and
password: sa for User Name and 111111 for Password.
To exit login, click [Cancel] or press Esc.
4.3.2.2 Automatic Login
At common login, if you select [Save Password] after you enter [User Name] and [Password] and click
[Ok] or press Entertolog in to the system, you enable automatic login. Next time you only need to run
the software to access the main interface, without needing to input the user name and password.
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4.3.2.3 Changing password
To change the password, select [system] > [Change PassWord] or click the icon on the toolbar.
The Change Password dialog box appears:
After you enter [Original PassWord], [New PassWord] and [Confirm PassWord], click [OK] or press
Entertochange the password.
To cancel the change of password, click [Cancel] or press Esc.
4.3.3 Area Site Management
The appearance of site management is a node tree, which shows the areas under the NM center and
the sites in each area. The functions provided include adding, deleting and modifying areas under the
NM center and adding, deleting, and modifying sites in each area. The site tree is shown as below:
4.3.3.1 Adding area site
Adding Area
Right-click the [RPNMS] node on the site tree and select [Add Area] from the pop-up menu:
This allows you to add the area-level node with the default name of [New Node I] (I=2, 3, 4 .).
You can also edit the node at the same time by entering a new area name. If the area data field
entered meets the requirement, the new area information will take effect.
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Note: The node name should have a length of no more than 40 characters and should be unique.
Adding Site
Right-click an area-level node on the site tree and select [Add Site] from the pop-up menu. This
allows you to add the site-level node with the default name of [New Node I] (I=2, 3, 4 .). You
can also edit the node at the same time by entering a new site name. If the area data field
entered meets the requirement, the new site information will take effect.
Note: The node name should have a length of no more than 40 characters and should be unique.
4.3.3.2 Modifying area site
Right-click the node you want to modify on the node tree and select [Edit NMC]/ [Edit Area]/ [Edit Site]
from the pop-up menu. The node name in the node name information box becomes editable and you
can modify it to the desired name.Note: The node name should have a length of no more than 40 characters and should be unique.
4.3.3.3 Deleting area site
Right-click the node you want to delete on the node tree and select [Delete NMC]/ [Delete Area]/
[Delete Site] from the pop-up menu. The following dialog box appears.
Click [OK] to confirm.
Note:
The NM center node cannot be deleted.
If there is one or more sites in the area, the Area has sites, can not be
deleted!message appears. You should first delete all the sites before you
can delete the area node.
If there is one or more devices at the site, the
Sitehas Devices, can not be
deleted!messageappears. You should first delete all the devices before you
can delete the site.
4.4 DEVICE MANAGEMENT
Device management allows you to operate with the basic information of the devices, for example,
adding, deleting, modifying, and querying devices and list of devices.
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4.4.1 Device lis t
The device list shows the major information fields of the devices under the NM center, areas, or sites.
The information on this list corresponds to the information of the current node on the site tree. When
you select a node on the node tree, all the information on the device list is updated.
At the same time, you can dynamically load the information fields of the device as needed:
Right-click on the device list and check or uncheck the desired fields.
4.4.1.1 Adding Device
Select a site node on the node tree, right-click on it and select [Add Device] from the pop-up menu or
click [Add] on the device information box or press ALT+A.Then enter DeviceName, Device Address,
Reaper ID, Master or Slaver, Device Codeinthe device information box, and select the required items
such as ProtocolTypeandother basic information. Click [Save] or press ALT+Stosave the device
data. If you have entered correct data in the fields of the device, the system will show the
message. The new device information takes effect and is
shown on the device list.
To cancel the addition of the device, click [Cancel].
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Note: The [Device Name] should be unique. The [Reaper ID] is the unique ID for the repeater, within
the range of 0-31, and also must be unique. The [Device Address] is the region or area where the
device is installed, and should be filled in as accurate as possible for future data query. The [Device
Code] does not need to be entered. If the device is Master and there is no Slaver, the value will be 255,
and if the device is Master and there is a Slaver, the value will be 0. If the device is Slaver, the value
will be 1~254. The [Device State] indicates the state of the device, which may be normal, alarm, or not
deployed.
4.4.1.2 Modifying device
Select the device to modify from the Device List and click [Modify] in the device information box or
press ALT+M. Now, the information in the device information box becomes editable, and you can
modify the needed fields.
Click [Save] or pressALT+S
to save the site. If the
message appears, the device is modified successfully. If the data entered do not meet the conditions,
the system indicates that you cannot save them and ask you to enter them again.
To cancel the modification of the device, click [Cancel].
4.4.1.3 Deleting device
Right-click the device you want to delete on the Device List and click [Delete] in the device information
box or press ALT+D.The following dialog box appears.
If you are sure to permanently delete the device and all its related history data (remote sensing, remote
control, alarm, and system log), click [OK] or press Enter. After the deletion is completed, the
message appears, indicating successful deletion. At the same
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time, the device disappears from the device list.
To cancel the deletion, click [Cancel] or press Esc.
4.5 CONNECTION MONITORING UNIT AND CONFIGURATION
4.5.1 Connection Monitoring Unit
The picture show the monitoring unit, the JP12 is used to connect the serial cable, you can put the
serial cables4-pin port into the JP12 and RS232 port is used connect to your computer. You dont
need to change other JP configuration.
4.5.2 Site Configure
When you add a new site successfully, should fill correct information in the blank 1:stepClickAdd: It
means that add new information for new site 2:stepfill device namedevice addressrepeater
ID COM Abilityinformation etc. 3:stepfinish all this please clickSaveto save device
information
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Setting Explanations:
Device name: Better same to site name Device address: the location where the repeater is installed
Repeater ID: all the devicesrepeater number is 0-0-0 when the device firstly is used! So you set the
repeater number ID0-0-0, if you change it and set it into monitoring unit, you must rember, or you
cant connect the monitoring unit next time. Master or slaver: default Device Code: Master repeater
code is 0, slaver repeater code between 1-254. If there is only one local repeater site, the code is 255.
Protocol Type: choose channel selective repeater-CMCC1Device Type: choose channel selective
repeaterCom Type: choose modemNet Type: same to repeater working frequency band CDMA
or GSMDevice State: choose normalDevice telephone: the number of SIM card that in the
repeaters modem. If there is no SIM card, you can fill in any numbers whatever you want, but must
ensure that the number different with another site. Query and Alarm telephone: The number of
remote monitor centre that report query and alarm information to. You can get this number from
operator. If not, fill any number in the blank. Com Ability: keep default, or select yes.
4.5.3 Setting the parameters
1) Device Parameters Device info
At first, click Query parametersto query parameters list.
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2) DeviceParameters SetPA Switch
ChooseDeviceParametersSetParameter;you can set PA Switch Status. Click SettingtoSet
3) DeviceParameters SetAttenuation
Choose Device ParametersSet Parameter; you can set Uplink/Downlink Value. Click
Setting
toSet
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DeviceParametersAlarm and Status
ChooseDeviceParametersAlarmand Status,Click Queryyoucan query current value.
DeviceParametersAlarm Enable
ChooseDeviceParametersAlarmEnable,Click Settingyoucan set current value.
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5 DESCRIPTION OF COMMON ALARM PARAMETERS
Below please find the alarms of the common GrenTech repeater models. The alarm parameters of
other manufacturers are currently unknown since they are not described in the protocols provided.However, you can understand them according to the following descriptions. For how to handle the
alarms, you can also directly inquire the appropriate manufactures.
5.1 COMMON ALARMS
Power failure alarm: When the repeaters have abnormal power supply due to a power
outage or other reasons, the monitoring module will send the power failure alarmto the
NMS by using the backup battery. For GreTech power modules, the normal input voltage
range is 180~260V, and the normal output voltage range is 7~11V. Alarms will occur
beyond this range.
Power module status alarm: This is reserved for the solar energy battery, and currently
our devices do not support this interface.
Self-excitation alarm: The device experiences self-excitation and fails to work normally.
This will affect the device and the wireless network and may even interfere with the BTS in
the worst case. When self-excitation occurs, the GrenTech devices will automatically shut
down the power amplifier and report an alarm. When the NMS receives the alarm and the
self-excitation temporarily clears since the power amplifier is turned off. Self-excitation that
occurs after it is put into service may be due to the following reasons: 1) The location of
the antenna is deviated and this reduces the isolation, which needs on-site check; 2) The
host BTS or the surrounding radio environment changes, in which case the device
parameters need to be adjusted accordingly; 3) The gain and attenuation of the device are
not set properly, in which case you can query the history records in the NMS and modify
accordingly.
Door control alarm: The chassis of the device is opened; the door of the chassis is not
closed properly after site upgrade or debug, or the door is closed properly but the door
control switch is damaged. All these could cause such alarm.
Failure of the uplink low-noise amplifier: The device fails to work normally, the uplink
signals are affected, and the calls may be not available in the coverage area. On-site
handling is required.
Failure of the downlink low-noise amplifier: The device fails to work normally, the
downlink signals are affected, and the calls may be not available in the coverage area.
On-site handling is required.
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Overpower of the uplink power amplifier: The output power of the uplink power
amplifier is above the set threshold and this may cause interference to the BTS. You can
increase the attenuation of the uplink power amplifier to adjust the uplink output power by
remote control on the NMS.
Overpower of the downlink power amplifier: The output power of the downlink poweramplifier is above the set threshold and this may affect the coverage area of the repeater.
You can increase the attenuation of the downlink power amplifier to adjust the downlink
output power by remote control on the NMS.
Over-temperature of the uplink power amplifier: The temperature of the uplink power
amplifier is too high (the threshold for GrenTech device is 70 C), and this may cause the
power amplifier module to work abnormally.
Over-temperature of the downlink power amplifier: The temperature of the downlink
power amplifier is too high (the threshold for GrenTech device is 70 C), and this may
cause the power amplifier module to work abnormally.
VSWR alarm of the uplink power amplifier: The RF signals of the uplink power amplifier
of the repeater are not effectively outputted via the antenna, and calls cannot be
connected normally in the coverage area. The possible reason is that the antenna feeder
connector is in loose contact or flooded.
SWR alarm of the downlink power amplifier: The RF signals of the downlink power
amplifier of the repeater are not effectively outputted via the antenna, and the signals are
weak in the coverage area.
Rx/Tx signal alarm: This is mainly for the front/back-end communication of the divided
devices, for example, abnormal communication of the monitoring signals between the
input end of the fiber repeater and the coverage end, abnormal communication of the
monitoring signals between the indoor coverage unit and the trunk amplifier. Such alarms
cause the failure of the back-end devices to be monitored on the NMS. Possible causes: 1)
The front-back-end monitoring data cable fails or the connector gets loose or the optical
path attenuation is so large that causes high BER; 2) The front and back-end programs do
not have the same version or the DIP switches are not set correctly on one end.