GSM Micro Repeater User Manual
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Transcript of GSM Micro Repeater User Manual
GSMGSMGSMGSM MicroMicroMicroMicro RepeaterRepeaterRepeaterRepeater
UserUserUserUser ManualManualManualManual
Model:Model:Model:Model: AC3020-G019AC3020-G019AC3020-G019AC3020-G019
SunwaveSunwaveSunwaveSunwave CommunicationsCommunicationsCommunicationsCommunications Co.,Co.,Co.,Co., Ltd.Ltd.Ltd.Ltd.
SUNWAVE GSMMICRO User Manual
Sunwave Communications Co., Ltd. 2
TableTableTableTable ofofofof ContentContentContentContent
ABBREVIATIONABBREVIATIONABBREVIATIONABBREVIATION............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 3333
SAFETYSAFETYSAFETYSAFETY WARNINGSWARNINGSWARNINGSWARNINGS........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 4444
1.1.1.1. INTRODUCTIONINTRODUCTIONINTRODUCTIONINTRODUCTION........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 5555
SSSSYSTEMYSTEMYSTEMYSTEM OOOOVERVIEWVERVIEWVERVIEWVERVIEW.....................................................................................................................................................5PPPPRODUCTRODUCTRODUCTRODUCT CCCCLASSIFICATIONLASSIFICATIONLASSIFICATIONLASSIFICATION.........................................................................................................................................6FFFFEATURESEATURESEATURESEATURES....................................................................................................................................................................6
2.2.2.2. INSTALLATIONINSTALLATIONINSTALLATIONINSTALLATION &&&& CONNECTIONCONNECTIONCONNECTIONCONNECTION................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................8888
PPPPANELANELANELANEL IIIINTRODUCTIONNTRODUCTIONNTRODUCTIONNTRODUCTION................................................................................................................................................ 8EEEEQUIPMENTQUIPMENTQUIPMENTQUIPMENT IIIINSTALLATIONNSTALLATIONNSTALLATIONNSTALLATION......................................................................................................................................... 8CCCCONNECTIONONNECTIONONNECTIONONNECTION............................................................................................................................................................. 10
3.3.3.3. INITIALIZATIONINITIALIZATIONINITIALIZATIONINITIALIZATION.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 11111111
PPPPOWEROWEROWEROWER ONONONON.................................................................................................................................................................11LEDLEDLEDLED........................................................................................................................................................................... 11SSSSYSTEMYSTEMYSTEMYSTEM SSSSETETETET UPUPUPUP........................................................................................................................................................ 11
4.4.4.4. MICROMICROMICROMICRO FUNCTIONSFUNCTIONSFUNCTIONSFUNCTIONS.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 12121212
BBBBLOCKLOCKLOCKLOCK DDDDIAGRAMIAGRAMIAGRAMIAGRAM...................................................................................................................................................... 12MMMMODULEODULEODULEODULE SSSSTRUCTURETRUCTURETRUCTURETRUCTURE............................................................................................................................................... 13CCCCABLEABLEABLEABLE CCCCONNECTIONONNECTIONONNECTIONONNECTION LLLLISTISTISTIST........................................................................................................................................ 15
5.5.5.5. OMTOMTOMTOMT INSTALLATIONINSTALLATIONINSTALLATIONINSTALLATION................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................16161616
HHHHARDWAREARDWAREARDWAREARDWARE RRRREQUIREMENTEQUIREMENTEQUIREMENTEQUIREMENT.......................................................................................................................................16IIIINSTALLATIONNSTALLATIONNSTALLATIONNSTALLATION SSSSTEPSTEPSTEPSTEPS................................................................................................................................................ 16
6.6.6.6. SYSTEMSYSTEMSYSTEMSYSTEM CONFIGURATIONCONFIGURATIONCONFIGURATIONCONFIGURATION................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................17171717
OOOOPERATIONPERATIONPERATIONPERATION PPPPREPARATIONREPARATIONREPARATIONREPARATION........................................................................................................................................17OMTOMTOMTOMT CCCCONNECTIONONNECTIONONNECTIONONNECTION................................................................................................................................................... 17RRRREMOTEEMOTEEMOTEEMOTE CCCCONNECTIONONNECTIONONNECTIONONNECTION.............................................................................................................................................. 21
7.7.7.7. MAINTENANCEMAINTENANCEMAINTENANCEMAINTENANCE........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................22222222
MMMMAINTENANCEAINTENANCEAINTENANCEAINTENANCE ANDANDANDAND RRRREPAIREPAIREPAIREPAIR NOTESNOTESNOTESNOTES......................................................................................................................... 22EEEEMERGENCYMERGENCYMERGENCYMERGENCY MMMMEASURESEASURESEASURESEASURES.......................................................................................................................................... 22TTTTROUBLESHOOTINGROUBLESHOOTINGROUBLESHOOTINGROUBLESHOOTING GUIDEGUIDEGUIDEGUIDE....................................................................................................................................... 22
8.8.8.8. APPENDIXAPPENDIXAPPENDIXAPPENDIX I:I:I:I: TECHNICALTECHNICALTECHNICALTECHNICAL SPECIFICATIONSPECIFICATIONSPECIFICATIONSPECIFICATION............................................................................................................................................................................................................................................................................................................................................................................................................24242424
GSM MICRO TECHNICAL SPECIFICATION.............................................................................................................. 24
SUNWAVE GSMMICRO User Manual
Sunwave Communications Co., Ltd. 3
AbbreviationAbbreviationAbbreviationAbbreviation
AbbreviationsAbbreviationsAbbreviationsAbbreviations wouldwouldwouldwould bebebebe usedusedusedused inininin thisthisthisthis manual:manual:manual:manual:
AC Alternating CurrentACPR Adjacent Channel Power RatioAGC Automatic Gain ControlALC Automatic Level ControlBS Base StationBTS Base StationCDMA Code-Division Multiple AccessCPU Central Processing UnitCW Continuous Wave RadarDC Direct CurrentDCS Digital Cell SystemEMC Electro Magnetic CompatibilityGSM Global System For Mobile CommunicationHW HardwareLED Low Emitting DiodeIF Intermediate FrequencyLNA Low Noise AmplifierMODEM ModemMS Mobile SystemMTBF Mean Time Between FailureMTTR Mean Time To FailuresOMT Operation Maintenance TerminalOP Optic FiberPA Power AmplifierPHS Personal Handyphone SystemPLL Phase Locked LogicRepeater RepeaterRX Receive PortRF Radio FrequencySAGEM SAGEM in FranceSUNWAVE Sunwave Communications Co., Ltd.TDMA Time Division Multiple AccessTX Transmit PortUPS Uninterrupted Power SystemVCO Vector Controlled OscillatorWCDMA Wideband Code-Division Multiple Access
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SafetySafetySafetySafety WarningsWarningsWarningsWarnings
1. MICRO Repeater receives and amplifies signal from donor BTS and distributes it to the
mobile station through antennas in indoor coverage systems. MICRO Repeater also receives and
amplifies signal from mobile station in indoor coverage systems, and distributes it to BTS. MICRO
Repeater is designed for this application only. Outdoor repeater must be placed at a safe position to
avoid possible damages caused by its falling down. Users are not supposed to maintain or replace
components, which may cause irrevocable damages to repeater. Laser is destructive to eyes, so
please do not place optic fiber direct to the eyes.
2. Repeater must follow system requirements with proper grounding & thunder-proof
facilities. Power supply voltage must satisfy safety requirements. Anybody who operates repeater
must cut off power supply first. Only certified maintenance staff can operate with power-on.
3. Repeater radiates electromagnetic wave, which will cause damage to human body.
People other than maintenance staff please keep away.
4. Electro-Static Discharge can't injure human body but may damage the key components of
repeater if dealt improperly. Most of parts on PCB are vulnerable to static. Unless have to, do not
touch PCB and the conductors without insulator. If have to, please take ESD protection measures or
touch the repeater cabinet first. Keep clothing away from PCB or the conductors without insulator.
Use ESD bag to protect PCB.
5. MICRO Repeater must be away from fire, as electronic components may explode upon
fire.
6. Co-axial Cable insulator is made from polytetrafluoroethylene, which will emit hydrogen
fluoride when heated. Do not use heating tools to remove the insulator layer. Standby battery is Ni-
battery. Please put battery to professional recycling site.
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Sunwave Communications Co., Ltd. 5
1.1.1.1. IntroductionIntroductionIntroductionIntroduction
SystemSystemSystemSystem OverviewOverviewOverviewOverview
In cellular mobile communication systems, due to geographical factors, there will be shadow area in
BTS signal transmission, which seriously affects normal communication. To solve this problem,
installation of repeaters is an ideal solution for network optimization.
SUNWAVE GSM MICRO is a dual-direction signal amplifier, which effectively enhances the signals in
shadow areas caused by terrestrial irregularity & buildings, as well as places where BTS signal
cannot reach. Sunwave GSM MICRO is designed for GSM network signal coverage, which is
applicable to subway, underground shopping malls, amusement parks, hospitals, office buildings, etc.
Sunwave GSM MICRO adopts modularized design. It boasts of many advantages such as small size,
low weight, easy installation, high stability, low power consumption, low system noise, etc.
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ProductProductProductProduct ClassificationClassificationClassificationClassification
Remarks:
GSM MICRO repeater uses 220VAC power supply.
FeaturesFeaturesFeaturesFeatures
���� ComComComCompletepletepleteplete PPPProductroductroductroduct RangeRangeRangeRangeWith its abundant experience in RF engineering, Sunwave have developed a complete range of
repeaters include band selective, channel selective, fiber optical, and frequency translating products.
The products cover all frequency bands in mobile communication, including GSM, DCS, TETRA,
GSM-R, etc.
���� ExcellentExcellentExcellentExcellent RFRFRFRF PPPPerformanceerformanceerformanceerformanceSunwave repeaters’ optimized RF design ensures a transparent and trouble-free up and down link
RF path through the delicacy of balancing & control over parameters like noise figure, up/downlink
power output and link budget, out of band rejection, self-oscillation, ACPR, IMD3, ρ, and time delay
etc.
���� MechanicalMechanicalMechanicalMechanical DesignDesignDesignDesignThe self-developed aluminum die cast cabinet is ideal for tough weather conditions. Cabinet cooling
undergoes heat simulation tests, which proves that Sunwave Micro can achieve excellent heat
distribution with small size. Uplink & downlink RF circuit is module-designed with high accuracy in
dimension; the surface is conductive-oxidation treated with good conductivity and erosion resistance.
The module complies with all EMC requirements. Sunwave repeater conforms to indoor & outdoor
requirements.
���� RemoteRemoteRemoteRemote ControlControlControlControl &&&& MonitoringMonitoringMonitoringMonitoring OptionsOptionsOptionsOptionsRemote control module is the core part of remote control, which has 3 functions: parameter
configuration, data query & alarm processing. There is standby battery so system may continue to
work when power supply is off. System will send power-off alarm.
OutputOutputOutputOutputPowerPowerPowerPower MODELMODELMODELMODEL BandwidthBandwidthBandwidthBandwidth ProductProductProductProduct DescriptionDescriptionDescriptionDescription OperatingOperatingOperatingOperating
FrequencyFrequencyFrequencyFrequency
19dBm AC3020-G019 7.5MHzGSM MICRO Repeaterwith remote control andmonitoring function
UL: 897.5~905MHz;DL: 942.5~950MHz
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���� NetworkNetworkNetworkNetwork ManagementManagementManagementManagement CenterCenterCenterCenterNetwork Management Center provides high quality Network Management System (NMS).
Communication Protocol complies with mobile operator standard. Its user-friendly interface,
advanced structure & unique communication mode facilitate user management.
���� ProductProductProductProduct ReliabilityReliabilityReliabilityReliabilityAll components are industrial-level with operating temperature range at -40~+85°C, to ensure booster
reliability. The power supply is with redundancy-design so that power supply module works with load
normally at 75℃; starts normally at -30℃. MTBF is no less than 50000 hours.
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2.2.2.2. InstallationInstallationInstallationInstallation &&&& ConnectionConnectionConnectionConnection
PanelPanelPanelPanel IntroductionIntroductionIntroductionIntroductionSunwave GSM MICRO dimension is 320*220*125 mm and 5 Kg in weight.
The panel of MICRO (with OMC function) case is shown as below Figure 2-1.
� MS: N-F, connect to Service Antenna Port;
� BS: N-F, connect to Donor Antenna Port;
� Power Supply: connect to AC220V power supply;
� POWER: Power Supply Indicator;
� ALARM: Alarm Indicator;
� GND: Grounding port.
BS MSPOWER ALARM
220VAC
GND
Figure 2-1
EquipmentEquipmentEquipmentEquipment InstallationInstallationInstallationInstallationIt is usually wall mounting.
To choose a proper site:
� Make sure access is restricted to qualified personnel;
� Install the product where power supply and feeder cable are accessible;
� Site location should be far away from heat source and damp environment;
� The place of installation shall be at least 2 M vertically away from the ground.
Installation Steps:
� Use the plastic wall plug in the carton to fix the installation bracket onto the wall as Figure 2-
2 and 2-3.
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Figure 2-2 Installation Bracket Size
Figure 2-3 Installation Bracket Fixing
� Put the #2 case into the installation bracket, and tighten the bolts with the installation
bracket inside the repeater case shown as Figure 2-4.
Figure 2-4 #2 Case Appearance Structure
� Connect the RF cables, power supply and data cable.
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ConnectionConnectionConnectionConnection
PanelPanelPanelPanel Connection:Connection:Connection:Connection:See Figure 2-1 for interfaces, including MS interface, BS interface, power supply interface, USB
interface and LED.
PowerPowerPowerPower SupplySupplySupplySupply ConnectionConnectionConnectionConnection::::GSM MICRO is configured with interior power supply module and the 220VAC power cord has
connected the plug. Before connecting to the AC220V power supply, connect the AC port with the air
switch, and then connect to remote power.
RFRFRFRF Co-axialCo-axialCo-axialCo-axial CableCableCableCable ConnectionConnectionConnectionConnection::::The RF input/output GSM MICRO connector is N type. Connect N type connectors to Rx/Rx antenna
by N type RF cable.
USBUSBUSBUSB CableCableCableCable Connection:Connection:Connection:Connection:The GSM MICRO can be configured by RS232 interface on ARM board. It is mainly used for repeater
query and parameter setting of local connection. When connecting, open the repeater door, and use
the RS232 cable to connect the RS232 interface on ARM board.
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3.3.3.3. InitializationInitializationInitializationInitialization
Before power on GSM MICRO, please read the safety warnings carefully. Make sure installation is
reliable; connection cable is well done; power supply cable is well connected; the voltage of power
supply complies with the claimed voltage in GSM MICRO. After the aforesaid examination is done,
user can power on GSM MICRO.
PowerPowerPowerPower ononononGSM MICRO has no power supply switch. An air switch can be added in front of the power supply for
protection.
LEDLEDLEDLEDThere are POWER and ALARM LED lights on the panel of GSM MICRO. After power-on, there will
be CPU self-test for 2 seconds, where the green/red/yellow LED flashes alternatively and then the
green light is on. The green light on means GSM MICRO works normally; the red light is on means
that there is alarm. See the following table:
SystemSystemSystemSystem SetSetSetSet upupupupAfter power on, there might be alarm or limit indication. Necessary actions shall be done to remove
the alarm or limit indication. If the green light is on, it means the GSM MICRO is at normal working
status.
Status ALARM LED POWER LED
Green Normal, No alarm Normal
Red Alarm Normal
Yellow Downloading the software
No Color No power supply or power supply defectiveRed/Yellow/Green LEDflashes alternatively Power on or CPU self-test
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4.4.4.4. MICROMICROMICROMICRO FunctionsFunctionsFunctionsFunctionsGSM MICRO is a dual direction RF amplification device. BTS downlink signal reaches GSM MICRO
through outdoor Rx antenna, after signal amplification through GSM MICRO, the amplified signals are
transmitted to indoor coverage antenna systems to the target coverage area. Uplink signals from
mobile stations go through indoor coverage antennas, then amplified by GSM MICRO, then
transmitted to RX antenna to BTS.
GSM MICRO is connected through donor antenna to BTS through N type co-axial cable. GSM
MICRO has wireless connection with BTS through donor antenna via N type co-axial cable. GSM
MICRO connects to MS Tx antenna with N type co-axial cable. The LED on the panel gives
indications on the working status of GSM MICRO (please refer to LED section).
BlockBlockBlockBlock DiagramDiagramDiagramDiagram
Figure 4-1
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Sunwave Communications Co., Ltd. 13
ModuleModuleModuleModule StructureStructureStructureStructure
FGNLGND13.8V12VGND5V9V
Battery
Coupler
01
01
02
02
03
03
04
04
050607
08
05
06 07
08
10
10
1111
12
12
BS
MS
PowerSupply
CPU
Figure 4-2
Table 4-1: Module ListNo. Module Name Code Qty. Remarks
1 RF Module SW7820159C 1
2 Coupler SWCP-3720B 1
3 CPU SW7820104E 1
4 MODEM Board SW7820115D 1
5 Power Supply LMAD033M9-4C1 1
6 Monitoring Battery 12V1.2AH/20HR 1
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���� RFRFRFRF Module:Module:Module:Module:
Including Uplink and Downlink LNA, IF, PA, RS-485 interface, LNA malfunction detection, PA current
detection, LNA switch, Output power and reflection power detection, Gain setting, Amplitude limiting
and detection, PLL control and detection, Temperature detection, Frequency compensate and
temperature compensate, PA switch and so on.
���� CPUCPUCPUCPU::::
Including CPU, GSM MODEM interface, LAN Ethernet interface, Power detection interface, I2C
interface, Fiber Optical 232 interface, Master-Remote 485 interface (2 ports); to control the repeater
system for Master-remote communication and communicate with OMC according to the protocol.
���� MODEMMODEMMODEMMODEM Board:Board:Board:Board:
Including the power supply interface and RS232 interface for communication with CPU; to complete
the SMS and data communication between CPU board and remote OMC.
���� PowerPowerPowerPower SupplySupplySupplySupply Module:Module:Module:Module:
To provide the power supply with requested voltage, power and quality for repeater modules.
���� Coupler:Coupler:Coupler:Coupler:
To couple the MODEM monitoring signal from donor antenna port (BS port).
���� MonitoringMonitoringMonitoringMonitoring Battery:Battery:Battery:Battery:
To supply for monitoring board when power interruption to ensure it can send power down alarm to
OMC.
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CableCableCableCable ConnectionConnectionConnectionConnection ListListListList
No. Cable CodeConnection Point 1 Connection Point 2
Module Port Module Port
01 SW6.640.212 CPU LED Panel POWER,ALARM
02 SW6.640.213 Power Supply CON2 CPU IO
03 SW6.640.216 CPU MODEM MODEM MODEM
04 SW6.640.368 CPU RS485 RF Module RS485
05 SW6.640.369 Power Supply CON3 (5V, GND,12V) CPU POWER
06 SW6.640.369 Power Supply CON3 (5V, GND) MODEM POWER
07 SW6.640.369 Power Supply CON3 (13.8V,GND) Battery Red, Blk
08 SW6.640.369 Power Supply CON3 (9V, GND) RF Module
09 SW6.640.370 Power Supply CON1 (L, N, FG) AC 220V Plug
10 SW6.645.526 RF Module MS Panel MS
11 SW6.645.527 RF Module BS Coupler Through port
12 MXTK88TK4000 MODEM Coupler Coupling port
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5.5.5.5. OMTOMTOMTOMT InstallationInstallationInstallationInstallation
Repeater can realize the control function by Operation Maintenance Terminal (OMT). OMT can
directly set, query and shown real-time alarm information for repeater RF specifications and status
parameters. OMT can operate and maintain the equipment by local connection, wireless data and
SMS methods.
HardwareHardwareHardwareHardware RequirementRequirementRequirementRequirement
OMT software installation minimum system requirement:
� 100MHz Intel Pentium Processor
� 32M RAM
� 32M usable diskspace
� Vacant COM serial port
� Hays compatible MODEM
� Windows 95/98 or Windows NT4.0, with Service Pack 3 or higher version.
InstallationInstallationInstallationInstallation StepsStepsStepsSteps
When installation, ensure no other program operating except this system.
� Insert OMT disc and run the installation program automatically.
� If the program does not operate automatically, open the disc and choose the file
setup.exe to install.
� When the Welcome frame comes up, click “Next” button to continue installation.
� Choose your desired the installation path and click “Next”.
� Then confirm if the input information is correct. Click “Installation” for continue program
installation.
� Finally click “Complete” button to complete the program installation. The OMT software
has successfully installed to your computer.
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6.6.6.6. SystemSystemSystemSystem ConfigurationConfigurationConfigurationConfiguration
In this section, the OMT operation will be introduced including OMT program and how to connect the
repeater by local and remote connection.
OperationOperationOperationOperation PreparationPreparationPreparationPreparation
To local or remote control the repeater by following steps.
LocalLocalLocalLocal Control:Control:Control:Control:
1. Power on Repeater;
2. Power on PC;
3. Using a RS232 cable to connect the PC (with OMT installed)
and MICRO repeater.
RemoteRemoteRemoteRemote Control:Control:Control:Control:
1. Connect the PC (with OMT installed) with the MODEM of
PC;
2. Power on Repeater (repeater has SIM card inside);
3. Power on MODEM and PC.
Before system configuration, please read the above all sections carefully to ensure correct operations.
Make sure that GSM MICRO is intalled, connected and powered on. Get ready a PC with OMT
software installed and USB cable.
OMTOMTOMTOMT CCCConnectiononnectiononnectiononnectionConnects GSM MICRO with USB cable, and start OMT system. See below OMT interface:
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Basic parameter query & configuration:
� RF Switch status setup and query
� MICROAGCON or AGCOFF working mode set up and query
� Set MICRO uplink/downlink output power in the mode of AGCON
� Uplink/downlink attentuation setup in the mode of AGCOFF
� Uplink/downlink gain & output power query
� MICRO serial number & software version query
� Uplink/downlink operating channel setup & query; operating channel bandwidth query.
� Alarm query & enable
Click “Click here to enter the advanced interface” at the left bottom to enter OMT advanced
management mode. See below:
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� Model No.: MICRO model No. provided by manufacturer.
� Serial No. set by manufacturer.
� Software Check Sum: MICRO software version check sum.
� Site No.: there is one site No. corresponding to one MICRO. Site No. can be modified
by user.
� MICRO No.: not to be modified. Software auto sets to 255.
� Lonitude/latitude: the co-ordincation value for the longitude/latitude of the site.
Unit: °, keeping 5 digits after the decimal point. User can input the information to
MICRO through OMT.
� Manufacturer Logo: the logo to differentiate from other manufacturers. Default 14.
� Type of Equipment: set by manufacturer, in this case, it is set to MICRO.
� Software version number: the version No. of the remote control software inside the
MICRO.
Click “Device Status” in the left column, as shown below:
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Check the alarm enable switch, see if there are items in red. If red, this indicates some problems in
the MICRO. Click “Working parameter”, as shown below:
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� Set uplink output power: set output power in the AGCON mode
� Uplink output level: the actually measured MICRO uplink output power
� Uplink attenuation: applicable to repeaters with uplink attenuation adjustment functions,
for uplink gain adjustment.
� Uplink gain: the current MICRO uplink gain.
� Uplink center frequency: the center frequency of MICRO uplink operating channel.
� Uplink operating bandwidth: uplink operating channel bandwidth
� Set downlink output power: output power set in the AGCON mode.
� Downlink output level: the actually measured MICRO downlink output power.
� Downlink attenuation: applicable to device with downlink attenuation adjustment
functions, for downlink gain adjustment.
� Downlink gain: the current MICRO downlink gain.
� Downlink center frequency: the center frequency of MICRO downlink operating channel.
� Downlink operating bandwidth: uplink operating channel bandwidth.
� PA temperature: the current operating temperature of MICRO
� AGC switch: set MICRO to AGCOFF or auto AGCON mode
� RF switch: control the power supply for RF part in MICRO.
RemoteRemoteRemoteRemote ConnectionConnectionConnectionConnectionFor repeater remote control by OMC, pls refer to the “SUNWAVE OMCUSER’s MANUAL”.
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7.7.7.7. MaintenanceMaintenanceMaintenanceMaintenance
MaintenanceMaintenanceMaintenanceMaintenance andandandand RepairRepairRepairRepair notesnotesnotesnotes
� Disassembling the system
Cut off the outside air circuit breaker;
Pull out the power plug of the repeater;
Don’t operate under thundercloud;
� Cleaning
Cut off the outside air circuit breaker;
Pull out the power plug of the repeater;
Don’t clean the system with the liquid to prevent from short circuit;
Use the dry cloth.
� Grounding
Use grounding power plug (3-point plug).
� Power
Pay attention to voltage and frequency of outside power. Check whether they are compliant with
the repeater.
� Parts Replacement
Users shouldn’t repair the system or replace the parts themselves. They may get an electric
shock while disclosing the system. Only authorized specialist can implement repair and
replacement.
� Waterproofing and humidity proofing
Don’t power on/off under humid condition while the door is open.
EmergencyEmergencyEmergencyEmergency MeasuresMeasuresMeasuresMeasuresIt is suggested to turn off the repeater system under following conditions
� Power supply not working.
� Rain or liquid flow into the repeater.
� Abnormal phenomenon like overheated, peculiar smell, abnormal sundries)
� Case impaired;
� Performance fell;
� Near by fire;
� Flooded.
TroubleshootingTroubleshootingTroubleshootingTroubleshooting guideguideguideguideHow to detect failures
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Check the repeater to detect the failed part of the repeater:
RepeaterFailure
Green Red Off
Alarm LED
Check antennaand cablestatus
Adjust antennaand cable until
it works
Checkrepeater statusthrough OMT
Check powersupply status
Adjust PowerSupply until it
works
Notworking
Notworking
ContactRepeaterSupplier
Ok Ok
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8.8.8.8. AppendixAppendixAppendixAppendix IIII:::: TechnicalTechnicalTechnicalTechnical SpecificationSpecificationSpecificationSpecification
GSM MICRO Technical SpecificationParameterParameterParameterParameter UplinkUplinkUplinkUplink DownlinkDownlinkDownlinkDownlink
Frequency Range 897.4-905MHz 942.4-950MHz
Gain 70dB 75dB
Output Power 12dBm±2dB 19dBm±2dB
Gain Adjustment Range ≥30dB ≥30dB
Gain Step 1dB 1dB
Gain Adjustment Step Error ±1dB/(1-10dB); ±1dB/(10-20dB); ±1.5dB/(20-30dB)
ALC 12dBm±2dB or off 19dBm±2dB or off
Max. Input Power before
damage+10dBm
In band Ripple ≤ 3dBp-p
Out of Band Rejection+/-600KHz: >=30dB
+/-1MHz: >=40dB
Transmission Delay ≤5µs ≤5µs
IMDIn working band: <=-45dBc
Out of Working Band: <=-36dBm@9K~1GHz
Spurious Emission≤-36dBm/100KHz (9KHz~1GHz)
≤-30dBm/1MHz (1GHz~12.75GHz)
RF connector N-F/50Ω
Local Monitoring RS232
Remote Monitoring Inside GSM Modem, GSM SMS
Power Supply AC 220V+/-20%/45~55Hz
Working Temperature 0 - 60℃
Relative Humidity <=85%
Power Consumption ≤15W
Protection Level IP45
Dimension 320*220*125mm
Weight < 5Kg
MTBF >50000 hours