MTI RF25-MWM101 S-WiMAX BDA User Manual ATT E

MTI Co., Ltd. S-WiMAX BDA ATT E

User manual

FCC ID : SQD-RF25-MWM101
HCT CO., LTD.
SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA
TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr
Report No. : HCT-R08-186 1/1
ATTACHMENT E.
- USER MANUAL -
Installation Guide
+20dBm BDA for WiMAX
Standard Release V1.0 Issue Sept 16, 2008
What’s inside
Pre-installation Consideration
Installation
Installation Procedure
Operating Software
MTI Co., Ltd.
BDA Installation and Operating Guide
Version 1.0 i
Publication history
Sept 2008
Issue 1. Issued for Installation Guide +20dBm BDA Release V1.0
‘2008 by MTI Co., LTD
Restricted Distribution : This document contains critical information about MTI products
and may not be distributed to any one written permission of MTI Co., LTD. All data and/or
information contained in this document are proprietary and confidential information of MTI
Co., LTD. No part of this document may be reproduced, in any form or by any means, without
written permission of MTI Co., LTD.
BDA Installation and Operating Guide
Version 1.0 ii
Contents
1 Pre-installation Consideration ...................................................................................... 5
1.1 Introduction ...................................................................................................... 6
1.2 Site Selection ................................................................................................... 6
1.3 Antenna Installation........................................................................................... 7
1.3.1 Ceiling mounting of patch antenna ............................................................ 7
1.3.2 Ceiling mount for Omni antenna ............................................................... 8
1.3.3 Wall mount for patch antenna ................................................................... 8
1.3.4 Pole mount for Yagi antenna .................................................................... 8
1.4 Electrical Power ................................................................................................ 9
1.5 Initial Check...................................................................................................... 9
1.6 Check list of Supplied Items ............................................................................... 9
1.7 Accessories for installation of the units...............................................................10
1.7.1 Test Equipment for installation .................................................................10
1.7.2 Required Testing Equipment & Tools ........................................................10
1.8 Electrical Specification......................................................................................11
1.8.1 Specification ..........................................................................................11
1.8.2 Functions ..............................................................................................11
2 Installation ................................................................................................................12
2.1 Cable Connection to BDA .................................................................................12
2.1.1 Connection of RF cable to BDA ...............................................................12
2.1.2 Connection of electrical power cable to BDA.............................................13
2.1.3 Connection of Laptop PC to BDA.............................................................13
2.2 Cable Connection to BDA .................................................................................14
2.2.1 Connection of RF cable and electrical power cable to BDA ........................14
2.2.2 Connection of Laptop PC to BDA.............................................................15
3 Installation Procedure ................................................................................................16
3.1
Installation procedure for BDA
.............................................................................16
3.1.1 Enclosure...............................................................................................16
3.1.2 Connection of electrical power cable.........................................................17
3.1.3 Installation procedure .............................................................................18
3.1.4 Connection and checking of RF output power............................................19
3.2
Installation Procedure for network
........................................................................20
3.2.1 Total network configuration......................................................................20
3.2.2 Network adjustment procedure ................................................................20
3.3
Operation Software Guide
...................................................................................22
3.3.1 Installation of Operating Software ............................................................22
3.3.2 Starting of Operating Software.................................................................27
3.3.3 COM Port Set-up....................................................................................27
3.3.4 Operational Description ..........................................................................28
4 Appendices. Alarm Reference List..............................................................................34
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List of Figures
Figure 1 BDA Solution for in-building................................................................................................6
Figure 2 Ceiling mount of patch antenna..........................................................................................7
Figure 3 Ceiling mount of omni antenna ........................................................................................8
Figure 4 Wall mount of patch antenna ...............................................................................................8
Figure 5 Pole mount of Yagi antenna .................................................................................................8
Figure 6 BDA with AC power cord.......................................................................................................9
Figure 7 Interfacing with Link antenna and Service antenna.....................................................12
Figure 8 Interfacing port of top side.................................................................................................12
Figure 9 Cable Connection of BDA...................................................................................................13
Figure 10 Connection of Laptop PC .................................................................................................13
Figure 11 Cable Connection of the BDA..........................................................................................14
Figure 12 Interfacing port of BDA bottom side..............................................................................14
Figure 13 Connection of Laptop PC in BDA...................................................................................15
Figure 14 Assembling of the BDA.....................................................................................................16
Figure 15 Assembly of electrical power cable of the BDA..........................................................17
Figure 16 Electrical power cable connection of the BDA ...........................................................17
Figure 18 Install bracket of the BDA on the wall ...........................................................................18
Figure 19 Cable arrangement at the BDA........................................................................................19
Figure 20 Total network configuration for indoor .........................................................................20
Figure 21 Required Items for Installation........................................................................................22
Figure 22 Installation of Operating Software (GUI).......................................................................22
Figure 23 Installation starting of Operating Software..................................................................23
Figure 24 Selection Folder of Operating Software Installation..................................................23
Figure 25 Creation of a shortcut in a start menu folder ..............................................................24
Figure 26 Setup review window.........................................................................................................24
Figure 27 Progress view of installation ...........................................................................................25
Figure 28 Installed completed............................................................................................................25
Figure 29 Display launcher Window.................................................................................................26
Figure 30 Initial window.......................................................................................................................26
Figure 31 Starting of Operating Software........................................................................................27
Figure 32 COM port set-up..................................................................................................................27
Figure 33 Debug Window ....................................................................................................................30
Figure 34 Alarm Log Window .............................................................................................................31
Figure 35 Power Log Window ............................................................................................................32
Figure 36 Alarm Mask Window...........................................................................................................32
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Abbreviation & Acronyms
AC Alternating Current
AGC Automatic Gain Control
ALC Automatic Level Control
ANT Antenna
ATTN Attenuation or Attenuator
BDA Bi-Directional Amplifier
BPF Band Pass Filter
BTS Base Station
CH, Ch Channel
CPL Coupler or Coupling (same as Coup)
Coup Coupler or Coupling (same as CPL)
CPU Central Processing Unit (same as Controller)
dB Decibel measurement of gain and loss
dBm Decibel measurement of power, reference to 1mW
D/C Directional Coupler
DNC Down Converter
DPX Duplexer
DMM Digital Multimeter
ERP Effective Radiated Power
ESD Electrostatic Discharge
EVM Error Vector Magnitude
FA Frequency Allocation
FREQ Frequency
FWD Forward
GND Ground or Grounding
GUI Graphical User Interface
HPA High Power Linear Amplifier
IF Intermediate Frequency
LED Light Emitting Diode
LNA Low Noise Amplifier
LNK Link
NMS Network Management System
PSU Power Supply Unit
REV Reverse
RF Radio Frequency
RSSI Receive Sensitivity Strength Indication
RTC Real Time Clock
RX Receive
SVC Service
TEMP Temperature
TX Transmit
VSWR Voltage Standing Wave Ratio
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1 Pre-installation Consideration
Prepare the proper ground prior to installation of the BDA; the ground must be independent from
that for other equipment (Do not use common ground with others). The ground must be
connected with AWG 6 or AWG 8 multi-wired cable. The cord must not be parallel to other
electrical or RF cable. Do not apply the electric power without connecting output port of BDA to
Antenna or Dummy Load. The system will be stabilized in 5 minutes after power is switched on.
Before operation of the BDA, ensure that RF connectors and cables are not damaged and
properly connected.
DO NOT FASTEN OR UNFASTEN THE COAXIAL CABLE CONNECTOR
ON THE BDA WITH UNDER THE UNIT POWERED EQUIPMENT.
EXTREME CARE MUST BE TAKEN TO AVOID ELECTRIC SHOCK.
MAKE SURE THAT POWER SUPPLIER IN BDA UNIT IS TURNED OFF PRIOR
TO CONNECTING THE COAXIAL CABLE TO THE CABLE ENTRY
CONNECTOR ON BDA ENCLOSURE.
DO NOT OPEN THE DOOR OF THE UNIT WHEN IT IS IN OPERATION
WITHOUT PROPER PERMISSION FROM THE AUTHORITIES.
DANGEROUSLY HIGH VOLTAGES APPEAR WITHIN THE EQUIPMENT.
EXTREME CARE MUST BE TAKEN TO AVOID ELECTRIC SHOCK.
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1.1 Introduction
The mobile coverage extension solution is used to extend coverage to specific areas
within a building, multiple buildings, or subway. This coverage extension system solution
features useful combination that distributes wireless coverage over RF cable and
antennas, making the best choice for signal quality, flexibility, and overall performance.
The mobile coverage extension product family offers service providers a flexible, low
cost, easy installation to improve customer retention and offer enhanced services to
meet increasing subscriber demands.
1.2 Site Selection
Depending on RF environment and size of space, output power of the BDA and number
of antennas are decided for optimum service. For instance, an OMNI antenna (service)
is connected to a small BDA for a small room, two or three OMNI antennas are con-
nected to a medium BDA, or several antennas are distributed in couple of floors of a
building if a large BDA is installed.
Recommendation to choose installation topology as below;
Figure 1 BDA Solution for in-building
z Less interference from other BTS Cells
z Easy access and maintenance of the equipment
z Avoiding direct sunlight to protect equipment
z Easy access to electrical power
z A shadow and cool environment
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1.3 Antenna Installation
Recommendation to choose installation location as below;
z Use proper and reliable connectors.
z Ensure that connections of antenna and feeder cable is proper, so that
antenna VSWR is at least 1.38 : 1(equal to 16dB of return loss).
z Ensure that antenna radiation beam pattern is normal before antenna
installation. There are cases that antenna beam pattern is abnormal though
antenna input VSWR is normal and this problem cannot be recognized with an
Analyzing Equipment.
z Secure and water-tight connection between cable and antenna.
z Cables with low loss.
z Elimination of pulling stress or kinks in cable.
z Proper radius of curvature in cable placement.
z Secure proper isolation between link antenna and service antenna.
z There must not be any obstacles to reflect signal from the direction that
antenna is radiating signal.
z Tightly fix link antenna to prevent movement against wind or other external
factors.
z For more information regarding detailed specifications and installation of
antenna, contact the antenna supplier.
1.3.1 Ceiling mounting of patch antenna
Figure 2 Ceiling mount of patch antenna
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1.3.2 Ceiling mount for Omni antenna
Figure 3 Ceiling mount of omni antenna
1.3.3 Wall mount for patch antenna
Figure 4 Wall mount of patch antenna
1.3.4 Pole mount for Yagi antenna
Figure 5 Pole mount of Yagi antenna
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1.4 Electrical Power
z Power source must be stable and maintain enough capacity. It must also be
protected against surge and lightning.
100Vac
z A AWG 6 or AWG 8 multi-wired cord must be used for grounding. The cable for
grounding must not be placed paralleled to other cables.
1.5 Initial Check
z Unpacking
Prior to unpacking, check the containers for damage. If any damage or
mis-handling is evident, request that the carriers be present to witness the
unpacking and further inspection.
Carefully open the containers, remove the top layer of shock absorbing
material, and lift the equipment out of its container.
z Mechanical Inspection
Check the equipment for damage. Inspect the housing and panel surfaces
for scratches and dents. Check that all external fasteners are securely in place
and that no obvious attempt has been made to remove any of these.
z Damage
If the equipment is damaged or fails to meet specifications upon receipt,
notify MTI Co., Ltd. immediately.
z Storage
The equipment should be placed in its original container for storage, and
should be stored in a cool, clean and dry environment.
1.6 Check list of Supplied Items
BDA : 1unit
AC power cord: 1 set
Figure 6 BDA with AC power cord
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1.7 Accessories for installation of the units
z Laptop PC : 1 unit
z USB Cable : 1 unit
z AC Power Extender : 1 unit
z AC Power Cord for BDA : 1 set
z RF Coaxial Cable : 3 set of RG cable for Analyzing equipment.
z Adapter; 3 units of N-male to SMA-female, 1 unit of N-female to N-female,
SMA-female to SMA-female
z Other accessories to install the BDA, such as fixed attenuations (5dB, 10dB &
15dB); it depends on the situation of the site.
1.7.1 Test Equipment for installation
z WiMAX Signal Analyzer(E4445A)
z WiMAX Signal Generator(E4438C)
z VSA (Vector Signal Analyzing Software VSA89600 in PC)
z Network Analyzer
z Power Meter
z 30dB High Power Fixed Attenuator
z High Power Termination
z Digital Multimeter
z Laptop PC
z RF Connection Cable Set
z 10dB/1dB Step Attenuator for 2.5GHz
z Noise Figure Meter
z Noise Figure Source
1.7.2 Required Testing Equipment & Tools
z Spectrum Analyzer 1 set (Spectrum analyzer for CDMA, E4445A for WiMAX)
z Signal Generator 1 set (CDMA sig gen for CDMA, E4438C, VSA for WiMAX)
z Site Master 1 set (Anritsu S331A or equivalent)
z Laptop PC 1 set (Pentium-class PC, 90MHz or higher recommended, Window
95 or more recent)
z Digital Multi-meter 1 set
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1.8 Electrical Specification
1.8.1 Specification
Item Specification Remark
Input Frequency 2642 ~ 2672MHz
Output Frequency 2642 ~ 2672MHz
Operating Bandwidth 30MHz
Fixed FH Channel
VSWR 1.5:1 DL/UL
DL -25 ~ -55dBm/Total
Input UL MAX –55dBm/ Total
DL 45~75dB Gain
Adjustment
Range UL 45~75dB
Gain Adjustment Step 1dB Step DL/UL
Gain Adjustment Tolerance < ±0.7dB DL/UL
DL > 20dBm/Toltal
Max. Output UL > 20dBm/Toltal
DL 30dB
AGC UL 30dB
DL 23dBm/Total
Shut Down UL 23dBm/Total
Impedance (IN/OUT) 50
In-Band US FCC 04-135 & 27.53
Compliance
Spectral Mask
Out-Band US FCC 04-135 & 27.53
Compliance
System Delay < 3.0us DL/UL
5dB @ Max. Gain
Noise Figure(DL/UL) 12dB @ Min. Gain
Flatness < 3dB pk-pk @ BW 30MHz
Frequency Stability < ±0.02ppm DL/UL
EVM <5% (DL:64QAM, UL:16QAM) Source Comparison
Sync. Signal Detection level (DL) Min : -75dBm @ BDA Input
Size(mm) 190 * 250 * 80 (7.6 * 10 *
3.2 inch)
Weight < 6 kg
Power Consumption < 40 W @Instant Max. Power
1.8.2 Functions
Item Specification
VSWR Alarm 1.5:1
Over Power Alarm @ Max. Output +2dB
AGC(Auto Gain Control) 30dB
AGD(Auto Gain Difference of DL/UL) 0 ~ 10
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2 Installation
2.1 Cable Connection to BDA
2.1.1 Connection of RF cable to BDA
Input and output of BDA is fit for interface with N-type RF cable. Signal of RAS DL/UL path
at antenna connection cable is fed/transmitted to/from “LINK ANT” at BDA bottom side of
enclosure and amplified signal from BDA is fed/transmitted to/from “SERVICE ANT” port to
service area at BDA bottom side of enclosure.(Refer to Figure 10).
z Interfacing with link and service antenna
Figure 7 Interfacing with Link antenna and Service antenna
z RG 400 or similar quality of coaxial cable (50ohm) is recommended for the link and
service antenna connection.
z “LINK ANT” and “SERVICE ANT” antenna port of BDA is to be connected to the link
and service antenna with RF cable. Refer to the above figure for the connection port
at the unit.
Figure 8 Interfacing port of top side
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2.1.2 Connection of electrical power cable to BDA
AC Power (100V ± 20%) is supplied to the unit with the AC Power cable. Before
connection of ground cable, don’t plug the AC power cable into the wall outlet of AC power
source. Connect by using grounding cable between CHASSIS Port locating left side of the
BDA and Ground bar. plug the AC power cable into the wall outlet of AC power source.
Figure 9 Cable Connection of BDA
2.1.3 Connection of Laptop PC to BDA
The BDA should be connected to a laptop PC with the USB cable to control BDA locally.
Plug the USB cable from the laptop PC into the USB connector in the BDA. Refer to
operating software chapter for monitoring and controlling the unit.
Figure 10 Connection of Laptop PC
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2.2 Cable Connection to BDA
2.2.1 Connection of RF cable and electrical power cable to BDA
Service antenna port is to be connected to the “SVC ANT” port of BDA with RF cable.
“LINK ANT” port of BDA also connected to link antenna with 50ohm feeder. Refer to the
below figure for the connection port at the unit.
AC Power (100V ± 20%) is supplied to the unit with the AC Power cord. Plug the AC power
cord into the connector. Before apply the power source, Connect grounding cable between
CHASSIS port locating left side of the BDA and Ground bar. Refer to the following figure
for the connection port on the BDA.
Figure 11 Cable Connection of the BDA
Figure 12 Interfacing port of BDA bottom side
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2.2.2 Connection of Laptop PC to BDA
The BDA should be connected to a note PC with the USB cable direct to laptop PC for
local GUI. Plug the USB cable from the Laptop PC into the USB port of the BDA. Refer to
the following figure for the connection port in the unit.
Figure 13 Connection of Laptop PC in BDA
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3 Installation Procedure
3.1 Installation procedure for BDA
3.1.1
Enclosure
Figure 14 Assembling of the BDA
z Ensure that BDA, cables and connectors inside the box are properly equipped
before starting installation.
z Unscrew the ground lug from the “CHASSIS” port of BDA and insert ground wire
into the lug. Screw up the ground lug to the place as it was and connect the other
end of the ground wire to a ground bar prepared in the site.
z Ensure that AC input power is in the range of the specification (typical AC 110V:
range AC 90V ~ AC120V).
z Connect the AC power cord of the power cable to the input port on the bottom of
the BDA and check if LED on the front of the BDA.
Unit :mm
182 82
232
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3.1.2
Connection of electrical power cable
Figure 15 Assembly of electrical power cable of the BDA
Figure 16 Electrical power cable connection of the BDA
z Ensure that AC input power is in the range of the specification (typical AC 110V,
range: AC 90V ~ AC 120V).
z Connect the power cable to the power connector on the bottom panel of the
BDA and then check if ‘Power LED on the front of the BDA is green and ‘RUN’
LED is blinking.
z Connect a Laptop PC to the BDA and execute the Operating Software (GUI).
z Minimize Gain value in the down and up link on the Operating Software of
the Laptop PC to protect the FWD HPA & FWD Transceiver of the BDA.
z Check if VSWR of Link antenna is within the range of specification.(Less than
1.38, equal to 16dB of Return Loss)
z If the VSWR of Link antenna is not good, check antenna connection status and
cable.
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3.1.3 Installation procedure
Figure 17 Install bracket of the BDA on the wall
Decide on a suitable site for installing the BDA. It is best to have it near to the power
supply and outdoor antenna. Avoid direct sunlight and humidity, and keep it under
where with good ventilation allowance. BDA installation was described following
procedure.
First, Drilling on the wall in proper side.
Second, Insert the BDA mount pilot in hall and Fix the BDA mount as above.
Third, Hang up the BDA.
Forth, Connecting the Antenna cable.
Fifth, Install on a suitable site for the indoor or the outdoor antenna as a fixed antenna.
Sixth, plug the cord on to the AC outlet.
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3.1.4
Connection and checking of RF output power
Figure 18 Cable arrangement at the BDA
z Connect coaxial cable to the “SVC ANT” port and the 50 coaxial cable
connected to measure the output power from the monitor port(“SVC ANT” port
side) of BDA with a Spectrum Analyzer.
z Connect the AC power cable to the power connector on the bottom panel of
the BDA and then check if ‘Power’ LED on the front of the BDA is green and
‘RUN’ LED is blinking.
z Measure input power with a Spectrum Analyzer at BDA input or GUI and
compare it with the expected level. For instance, suppose input power of the
BDA is -55dBm/Total. Output power of monitor port should be +20dBm/Total.
z Set proper forward gain in the Operating Software. As the forward input
power of the BDA is -55dBm, FWD Gain of BDA must be 75dB to output
+20dBm/Total.
z Enable FWD_HPA. And then check output power of the BDA using Spectrum
Analyzer. Forawrd Output power of the MCU must be less than +20dBm,
where typical output power is +20dBm.
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3.2 Installation Procedure for network
3.2.1 Total network configuration
3.2.1.1 Network configuration
Figure 19 Total network configuration for indoor
z Ensure that modules, cables and connectors inside the unit are properly equipped
before starting installation.
z Unscrew the ground lug from the “CHASSIS” port of BDA, and insert ground wire
into the lug. Screw up the ground lug to the place as it was and connect the other
end of the ground wire to a ground bar prepared in the site.
z Ensure that AC input power is in the range of the specification (typical AC 110V:
range AC 90V ~ AC120V).
z Connect the power plug of the power cable to the power input port on the bottom
of the BDA, and check if ‘POWER’ LED on the front of the BDA is green and ‘RUN’
LED is blinking.
z Connect coaxial cable to 50 antenna or attenuator for testing.
z Connect Laptop PC to BDA controller as figure 13. connection of Laptop PC in
BDA.
z Connect the AC power cord of the power cable to the input port on the bottom of
the BDA.
3.2.2 Network adjustment procedure
The BDA should be connected to a laptop PC with the USB cable to control BDA locally.
Plug the USB cable from the laptop PC into theUSB port of the BDA controller. Execute
GUI program at laptop PC. Refer to operating software guide for monitoring and controlling
the unit.
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z Feed -55dBm/total of WiMAX signal (using a signal generator) to ‘LINK ANT’ port
of BDA and adjust gain(75dB max) in the DOWNLINK (UPLINK) path, so that the
output power of the BDA becomes +20dBm. Access the BDA and check if output
power of the BDA is +20dBm. If not, adjust gain in the DOWNLINK (UPLINK)
path.
z If you don’t want maximum output power(+20dBm), decrease DOWNLINK gain or
UPLINK gain.
z Set difference between gain of down link and gain of up link (AGD). If don’t need
difference between down link and up link, set “0”.
z Temperature alarm threshold.
z If the parameters have proper value, enable HPA and UDC module.
z Check if the alarm generated or not.
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3.3
Operation Software Guide
3.3.1 Installation of Operating Software
3.3.1.1 System Requiremets
PC Installed Microsoft Internet Explorer 5.01 or later version
WINDOWS 98/2000/XP or equivalent operating system
Personal computer with a 500MHz microprocessor or better (INTEL PENTIUM
Processor recommended)
128 MB or more of RAM
100MB of hard disk space available
Available serial port
USB driver or CD driver
Figure 20 Required Items for Installation
3.3.1.2 Starting Installation of the Operating Software
Installation of Operating Software
Double click ‘Setup.exe’ in the folder of ‘D:\SDMCenter-Eng-Setup’ operating
software.
Figure 21 Installation of Operating Software (GUI)
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The below windows shows installation starting of the operating software.
Figure 22 Installation starting of Operating Software
The setup program generates a folder automatically and installs the program in the
folder of ‘C:\Program Files\SDM Center’. If you prefer another folder, you can
choose it where the program is installed by clicking the ‘Browse…’ button. Click
‘Next’ button when the folder is chosen.
Figure 23 Selection Folder of Operating Software Installation
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The following window is displayed for creation of a shortcut in a Start Menu folder.
Figure 24 Creation of a shortcut in a start menu folder
The Setup review window is displayed as follow.
Figure 25 Setup review window
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The following window shows progress of Installation.
Figure 26 Progress view of installation
The following window is displayed when installation is completed.
Figure 27 Installed completed
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The following two initial operating window is displayed when ‘finish’ button is clicked.
Figure 28 Display launcher Window
Figure 29 Initial window
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3.3.2 Starting of Operating Software
The Software will be started by double clinking ‘SDM Center’ icon of your Desktop or
laptop.
Figure 30 Starting of Operating Software
3.3.3 COM Port Set-up
z Prior to control the SDM Center program, vacant communication port, which is not
occupied with other device, should be secured. This can be checked via control
panel of Window OS. Conventionally, every communication devices have to occupy
the unique resource "COM port" of PC even though such a COM port number are
changed according to each PCs. Therefore, if you choose such an occupied COM
port by other devices as the COM port of SDM Center program, you will encounter a
port collision and not be able to run the SDM Center program properly. In order to
run the SDM Center program normally, you should select an available COM port
except COM port occupied by other programs.
Figure 31 COM port set-up
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3.3.4 Operational Description
3.3.4.1 Parameter Setting and Status Monitoring
Temperature limit setting and monitoring
Status and setup
It is to change parameters.
" Display current temperature of BDA
" High temperature limit of the BDA for
threshold of high temperature alarm.
Monitoring and Control
Status and setup
It displays parameters and control
parameters of down link.
" Display Gain, Input Level, Output High
Limit, Output Low Limit, AGC and
Shutdown level and ON/OFF for Down
Link.
" Control Gain, Output high limit, Output
Low Limit, AGC Level and Output
Shutdown Level.
AGD status and Setup
It is to display and control AGD(Auto Gain Difference) status between DL and UL path.
Down/Up Link status and change It is to change down or up link control.
" Reset CPU operation.
" Parameters setup by manual.
" If click ‘DownLink’ button, It will change
to UpLink button.
Status and setup
It is to control parameter setup or exit GUI program.
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Status and setup
It displays parameters and control
parameters of up link.
" Display Gain, Input Level, Output High
Limit, Output Low Limit, AGC and
Shutdown level and ON/OFF for Down
Link.
" Control Gain, Output high limit, Output
Low Limit, AGC Level and Output
Shutdown Level.
System ON/OFF status and setup
It is to change parameters.
" Display current temperature of BDA
" High temperature limit of the BDA for
threshold of high temperature alarm.
Up/Down Link status and change It is to change down or up link control.
" Reset CPU operation.
" Parameters setup by manual.
" If click ‘UpLink’ button, It will change to
DownLink button.
3.3.4.2 Alarm Description
Status
It is to display alarm status in the BDA. Red color means “Alarm.”
DOWN link and UP link alarms
" PLL lock or unlock alarm status of the BDA.
" Synchronization detectin fail alarm status of the
BDA.
" VSWR alarm status of the BDA.
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3.3.4.3 Sub-function Menu
Debug windows shows Tx/Rx communication data
between CPU and operating software.
Administrator can mask an alarm. Masked alarms can be
monitored.
User can log the alarm history into CPU and can monitor all
alarms occurred in the unit.
User can periodically check the logged input/ output power
status stored in the memory of BDA CPU.
Debug
Debug windows shows Tx/Rx communication data between CPU and
operating software.
- Click ‘Debug’ button in sub-functions menu.
Figure 32 Debug Window
- sub-functions of debug
Start the display of Tx/Rx communication data.
Stop the display of Tx/Rx communication data.
Clear the display of Tx/Rx communication data.
Exit the debug windows.
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Alarm Log
3 User can log the alarm history into CPU.
3 User can monitor all alarms occurred in the unit.
3 Alarm log will be updated whenever it is changed comparing with the existing
one.
- Click ‘Alarm Log’ button in Sub-Function Menu.
Figure 33 Alarm Log Window
- Sub-function of Alarm Log
Save overall alarms logged as Excel file format.
Clear overall alarms displayed in the windows.
delete overall alarms logged.
Exit the Alarm Log windows
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Power Log
3 User can periodically check the logged input/ output power status stored in
the memory of BDA CPU.
Figure 34 Power Log Window
- Sub-function of Power Log
Save overall Power logged as Excel file format.
Clear overall Power displayed in the windows.
delete overall Power logged.
Exit the power Log windows.
Alarm Mask
3 Click ‘Alarm Mask’ button in the Sub-Function Menu.
3 Select alarm items can be inactivated.
Figure 35 Alarm Mask Window
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4 Appendices. Alarm Reference List
Alarms Related Module
or Unit Alarm Level Description
Shutdown
" When Over Power Alarm occurs, shutdown and retrial of enabling is repeated five
times. If Over Power Alarm still continues, there are no more retrials and Shutdown
Alarm is displayed. Cause of the problem must be removed and the repeater unit
must be manually switched on.
DL shutdown HPA Critical " This alarm is to protect HPA, confining
output power of HPA.
UL Shutdown HPA Critical "This alarm is to protect BTS, confining
reverse power of HPA.
Over
Temperature
" These alarms occur when detection level of the temperature is higher than that set in
the GUI. The repeater unit is operating normally.
Over
Temperature Inside of BDA Minor " It occurs when detection level of the
temperature is higher than specified value.
DL/UL
PLL_LD Transceiver Major
" This alarm is to protect transceiver.
" This alarm occurs when PLL of the
transceiver is unlocked.
" If this alarm occurs when transceiver is not
operating normally.

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