Duo-i6525
U
SER MANUAL
Version 1.2
2607 Colorado Blvd.
Los Angeles, CA 90041
USA
Tel: 323-254-8131
Fax: 323-254-4928
www.adrftech.com
Duo-i6525 RF Repeater
User Manual V1.2
Glossary
The following is a list of abbreviations and terms used throughout this
document.
Abbreviation/Term Definition
AGC Automatic Gain Control
ALC Automatic Level Control
AROMS ADRF’ Repeater Operation and Management
System
BTS Base Transceiver Station
CDMA Code Division Multiple Access
CFE Compact Front End
CW Continuous Wave (un-modulated signal)
DAS Distributed Antenna System
DL Downlink
Downlink The path covered from the Base Transceiver
Station (BTS) to the subscribers service area
via the repeater
HPA High Power Amplifier
HW Hardware
iDEN Integrated Digital Enhanced Network
IF Intermediate Frequency
LNA Low Noise Amplifier
MS Mobile Station
PLL Phased Locked Loop
PS Power Supply
RF Radio Frequency
SQE Signal Quality Estimate
SW Software
UL Uplink
Uplink The path covered from the subscribers service
area to the Base Transceiver Station(BTS) via
the repeater
VSWR Voltage Standing Wave Ratio
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Duo-i6525 RF Repeater
User Manual V1.2
Version 1.2 (Released January 19, 2007)
Information in this document is subject to change without notice.
Advanced RF Technologies, Inc. 1996-2007.
All rights reserved.
Please send comments to:
E-Mail: info@adrftech.com
Phone: (323) 254-8131
Fax: (323) 254-4928
Address: Advanced RF Technologies, Inc.
Attention: Technical Publications Department
2607 Colorado Blvd., 1
st
Floor
Los Angeles, CA 90041
USA
www.adrftech.com
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User Manual V1.2
TABLE OF CONTENTS
1. Duo-i6525 ............................................................................................................... 5
1.1 Introduction ....................................................................................................... 5
1.1.1 Highlights ........................................................................................... 6
1.1.2 Parts List ............................................................................................ 7
1.1.3 Repeater Quick View ......................................................................... 7
1.2 Warnings and Hazards ...................................................................................... 8
2 Duo-i6525 Overview .............................................................................................. 9
2.1 Block Diagram .................................................................................................. 9
2.2 Operation Modes ............................................................................................ 10
2.2.1 Local Web GUI ................................................................................ 10
2.2.2 Remote NMS (Modem Option) ....................................................... 10
2.3 Components .................................................................................................... 10
2.3.1 Power Supply ................................................................................... 10
2.3.2 Controller ......................................................................................... 10
2.3.3 Down Converter Module ................................................................. 10
2.3.4 Up Converter Module ...................................................................... 10
2.3.5 Quad-Plexer ..................................................................................... 11
2.3.6 Digital Filter ..................................................................................... 11
2.4 Switches & Indicators ..................................................................................... 12
2.4.1 LEDs ................................................................................................ 12
2.4.2 Power Switch ................................................................................... 13
2.4.3 Mode Selection Switch .................................................................... 13
2.5 Installation....................................................................................................... 14
2.5.1 Tools ................................................................................................ 14
2.5.2 Procedure ......................................................................................... 14
2.5.3 Grounding ........................................................................................ 16
2.5.4 Antenna Separation/Isolation ........................................................... 16
2.5.5 Line of Sight .................................................................................... 18
3 Duo-i6525 AROMS Setup ..................................................................................... 19
4 Maintenance Guide for Duo-i6525 ........................................................................ 27
4.1 Periodic Inspection Checklist ......................................................................... 27
4.2 Preventive Measures for Optimal Operation .................................................. 27
4.2.1 Recommendations ............................................................................ 27
4.2.2 Precautions ....................................................................................... 27
5 Warranty and Repair Policy ................................................................................... 28
5.1 General Warranty ............................................................................................ 28
5.2 Limitations of Warranty .................................................................................. 28
5.3 Limitation of Damages ................................................................................... 28
5.4 No Consequential Damages ............................................................................ 28
5.5 Additional Limitation on Warranty ................................................................ 28
5.6 Return Material Authorization (RMA) ........................................................... 29
Appendix A: Specifications .............................................................................................. 30
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1. Duo-i6525
1.1 Introduction
Duo-i6525 is a dual band SMR (800 and 900 MHz) RF repeater which enhances
in-building wireless coverage in the most effective and cost efficient way. For its
intelligent design and versatility, the Duo-i6525 is the ideal choice for wireless
coverage problems indoors. Duo-i6525 can be used as a stand-alone repeater with
passive antennas connected to it or it can also be used as a feeder repeater to a
DAS (Distributed Antenna System).
1.1.1 Highlights
• Dual Band Repeater (800 & 900 MHz)
• 25 dBm Composite Output Power
• 65 dB gain
• 25 dB AGC Range @ 0.5 dB Step
• Digital Filtering
• Excellent Out-of-Band Rejection Characteristics with Sharp Roll-Offs
@ 65 dBc
• Re-Banding Capability via Digital Filtering
• Band Adjustable Option @ 200 KHz Step
• Web GUI Software via DHCP
• Oscillation Detection Scheme
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1.1.2 Parts List
Label Qty Description
A 1 iDEN Repeater
B 1 AC Power Cable
C 1 Ground Cable
D 1 Ethernet Cable (Twisted)
E 4 Anchor Bolts
F 1 CD
Table 1 – Parts List
Figure 1 – Duo-i6525 Repeater Parts List
** CD includes: (1) Duo-i6525 User Manual & (2) Duo-i6525 Quick Start Guide
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1.1.3 Repeater Quick View
Power LED
(Page 12)
Soft Fail LED
(Page 12)
Hard Fail LED
(Page 12)
NMS Modem
(Page 10)
Figure 2 – Duo-i6525 Front & Side Views
Donor Antenna
Port (Page 17)
Upper Guard
Screw (Page 14)
Bracket Screw
(Page 14)
Lower Guard
Screw (Page 14)
Ground Hole
(Page 16)
Server Antenna
Port (Page 17)
Anchor Bolt
Hole (Page 14)
Wall Mounting
Bracket (Page 14)
Power Switch
(Page 13)
Ethernet Port
(Page 19)
Mode Selection
Switch (Page 13)
Figure 3 – Duo-i6525 Back & Bottom Views
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1.2 Warnings and Hazards
WARNING! ELECTRIC SHOCK
Opening the Duo-i6525 could result in electric shock and may cause severe
injury.
WARNING! EXPOSURE TO RF
Working with the repeater while in operation, may expose the technician to
RF electromagnetic fields that exceed FCC rules for human exposure. Visit
the FCC website at
exposure to RF electromagnetic fields.
www.fcc.gov/oet/rfsafety to learn more about the effects of
WARNING! DAMAGE TO
Operating the Duo-i6525 with antennas in very close proximity facing each
other could lead to severe damage to the repeater.
RF EXPOSURE & ANTENNA PLACEMENT
Actual separation distance is determined upon gain of antenna used.
Please maintain a minimum safe distance of at least 20 cm while operating near the donor and the
server antennas. Also, the donor antenna needs to be mounted outdoors on a permanent structure.
WARRANTY
Opening or tampering the Duo-i6525 will void all warranties.
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FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at own expense.
2. Duo-i6525 Overview
2.1. Block Diagram
Figure 4 – Duo-i6525 Repeater Block Diag ram
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2.2 Operation Modes
2.2.1 Local Web GUI
Simply connect one end of the ethernet cable on the repeater monitor port and
the other end on the PC’s LAN port. After doing so, launch the Microsoft
Internet Browser (Internet Explorer) and the Local Web GUI will be launched
through typing the IP address (http://192.168.63.1/home.asp)
2.2.2 Remote NMS (Modem Option)
A CDMA wireless modem can be integrated within a Duo-i6525 repeater.
With this wireless modem, the user can remotely log into the repeater for
monitoring purposes.
2.3 Components
2.3.1 Power Supply
It provides DC power to each module within the repeater.
2.3.2 Controller
It is responsible for monitoring the status of each module and controls its
parameters. If a CDMA wireless modem is integrated within the repeater, it
also handles the remote “Command & Control” feature as well.
2.3.3 Down Converter Module
The downlink RF signal entered through the cavity filter is converted to IF
frequency, which is later converted back to RF frequency again through digital
filtering. The downlink HPA (high power amplifier) is integrated with th e
Down Converter Module.
2.3.4 Up Converter Module
The uplink RF signal entered through the cavity filter is converted to IF
frequency, which is later converted back to RF frequency again through digital
filtering. The uplink HPA (high power amplifier) is integrated with the Up
Converter Module.
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Noise Filter
DHCP
Sub Board
Quad-Plexer
Quad-Plexer
Up Converter
Digital Filter
2.3.5 Quad-Plexer
Down Converter
Controller
Interface Board
Power Supply
Figure 5 – Duo-i6525 Repeater Internal Com po ne nt s Di agram
Digital Filter
It consists of four BPFs (band-pass filters) each of the four RF signal paths:
SMR 800 (Tx & Rx) and SMR 900 (Tx & Rx)
2.3.6 Digital Filter
It is composed of A/D (analog to digital) and D/A (digital to analog) converters.
It also has a FPGA (field programmable gate array) which has the capability
for superior out-of- band rejection and re-banding.
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2.4 Switches & Indicators
2.4.1 LEDs
Duo-i6525 has three LEDs on the top panel of the repeater as show below in
Figure 4.
Figure 6 – Duo-i6525 Repeater LED View
POWER
If the LED is lit GREEN, it indicates that there is AC power to the repeater.
SOFT FAIL
If the LED is lit YELLOW, it indicates that there is a soft fail alarm in the
system. The detailed alarm information can be viewed via the local web GUI.
In the event of a soft fail alarm, the repeater will still function, but the alarm
needs to be addressed promptly.
HARD FAIL
If the LED is lit RED, it indicates that there is a hard fail alarm in the system.
The detailed alarm information can be viewed via the local web GUI. In the
event of a hard fail alarm, the repeater will not function and immediate
attention is required.
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2.4.2 Power Switch
The AC Power on/off switch is located on the bottom of repeater. The switch
should be powered on after the repeater has been installed properly.
Figure 7 – Duo-i6525 Repeater Power Swit c h Vi ew
2.4.3 Mode Selection Switch
The Ethernet port and the mode selection switch for DHCP are located on
bottom of the repeater as shown below in Figure 5. The mode selection switch
has two modes: Host Mode & Remote Mode.
Figure 8 – DHCP & Mode Selection Switch View
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Host Mode
This mode should be selected only if a Duo-i6525 is used alone without being
connected to a collocated Sprint Nextel CDMA repeater functioning as a host.
Remote Mode
This mode should be selected if a Sprint Nextel CDMA repeater is being
installed along with aDuo-i6525 and the ethernet port is being used for
communicating with the CDMA repeater. In this case, a Duo-i6525 works as a
remote sending its information to the collocated Host CDMA repeater.
2.5 Installation
2.5.1 T ools
No special tools or equipments are needed in installing the Duo-i6525.
2.5.2 Procedure
Four mounting holes are provided on the wall-mounting bracket to attach it to
the wall. The wall bracket must be securely attached to sufficiently carry the
weight of the Duo-i6525, which is bolted to the wall bracket through four
aligned mounting holes.
The following steps should be followed while mounting the repeater:
Installation Procedure
① Take the Duo-i6525 out of the box
② Detach the mounting bracket from the Duo-i6525 by unscrewing the 8
screws on the bracket. (4 on each side)
③ Using the four anchor bolts, mount the bracket on the wall
④ Make sure the bracket is securely mounted
⑤ Slightly tilt the repeater and mount the repeater onto the wall as shown in
the picture. Hook the upper 2 guard screws first and then slide/push in the
lower 2 guard screws into the place.
⑥ Make sure the Duo-i6525 is securely placed onto the wall bracket
⑦ Fasten the 8 bracket screws back properly
⑧ Inspect everything is secure
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Figure 9 – Repeater Mounting Instructions
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2.5.3 Grounding
The Duo-i6525 has locks on the side of the enclosure preventing from the door
opening. In addition, a ground cable is also included in the box and should be
connected to repeater.
2.5.4 Antenna Separation/Isolation
Separation between antennas is necessary to prevent oscillation.
Oscillation occurs when the signal entering the system continually reenters,
due to the lack of separation between the donor and server antennas. In
other words, the signal is being fed back into the system. This creates a
constant amplification of the same signal. As a result, the noise level rises
above the signal level.
Figure 10 – Ground Cable Connection
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Figure 11 - RF Repeater Oscillation
To prevent feedback, the donor and server antennas must be separated by
an appropriate distance to provide sufficient isolation. Isolation is attained
by separating antennas a sufficient distance so that the output of one
antenna does not reach the input of the other. This distance is dependent
on the gain of the repeater.
A sufficient isolation value is 13 ~ 15 dB greater than the maximum gain
of the repeater. For example, if the gain of the repeater is 50 dB, then an
isolation of 63 ~ 65 dB or greater is required. In the same manner,
because the Duo-i6525 has a maximum gain of 65 dB, it requires an
isolation of at least 78 ~ 80 dB.
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2.5.5 Line of Sight
The donor antenna which points towards the base station typically has a
narrow beam antenna pattern. As a result, a slight deviation away from
the direction of the BTS can lead to less than optimum results. In addition,
obstacles between the repeater and the BTS may impair the repeater from
obtaining any BTS signal. As a result, the repeater cannot transmit signal
to the coverage area. Therefore, a direct line of sight to the BTS for the
donor antenna is vital to the function of a repeater. For the same reason,
placing the server antenna in direct line of sight of the coverage area is
also necessary.
BTS
Donor
Antenna
Figure 12 - Direct Line of Sight to the BTS
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3. Duo-i6525 AROMS Setup
i) Connect the LAN cable between laptop’s Ethernet port and repeater’ Ethernet
port.
Note: Under Local Area Connection in Network Settings, make sure to select Obtain
an IP address automatically under Internet Protocol (TCP/IP) properties.
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ii) Launch MS Internet Explorer (Version 6.0 or higher)
Note: ADRF’s Web GUI is not compatible with any other web browsers (e.g.
Netscape, FireFox, Mozilla, etc.).
iii) Please type the following IP address on the address bar of MS Internet Explorer:
http://192.168.63.1/home.asp
iv) The following login screen will appear:
If you are not the Super-User, please type in your assigned username & password
which you should have received from the Super-User.
The default username and password for the General User is adrf & adrf,
respectively.
If the username & password is typed in incorrectly, the following screen will
appear:
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v) If you click on Status tab, the following window will appear:
In this window, the user can view the following:
To change any parameters, e.g., iDEN Band, Gain Settings, you
have to go to Install or Control Menu.
- iDEN Band: Will display the center frequencies of the 800 and 900 MHz
spectrums on the downlink and uplink respectively.
- Power & Gain: Will display the repeater input, gain and output power on the
downlink and uplink.
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- Alarm: Will display five alarms with three different status conditions (Normal,
Soft Fail or Hard Fail).
- Message Board: Will show up to recent 20 log messages (Alarms &
Heartbeats).
- Modem: Will display the status of the mode (e.g. Disabled, Not Connected or
Connected)
- Installation: Will display repeater’s installation status (Not Installed or
Installed).
- Repeater Info: Will display repeater’s serial number, modem ESN and MDN.
- Repeater Location: Will display the address where the repeater is installed
- Technical Support: Will display ADRF’s Technical Support contact
information.
- Installer Contact Info: Will display the installer’s name, phone and e-mail
address.
Note: Once successfully logged in, the repeater model name and the site/cascade
ID will be displayed on the top of all the windows (except for the Main Window).
Parameters Range Step Size
DL/UL
-10 ~ 28 dBm 0.1 dB
Output Power
DL Input Power 5 ~ -95 dBm 0.1 dB
Gain 40 ~ 65 dB 0.5 dB
Table 2 – Default Parameter Ranges
vi) If you click on Control tab, the following window will appear:
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In this window, the user can adjust the following parameters:
General Setting
- Automatic Gain Control (Default mode is Off)
- Downlink HPA on/off (Default mode is On)
- Uplink HPA on/off (Default mode is On)
- Uplink Tracking mode on/off (Default mode is Off)
Manual Gain Control
- Downlink Gain Control (40 to 65 dB @ 0.5 dB step, default value: 25 dB)
- Uplink Gain Control (40 to 65 dB @ 0.5 dB step, default value: 25 dB)
- Downlink AGC Level (15 to 25 dBm @ 0.5 dB step)
- Uplink AGC Level (15 to 25 dBm @ 0.5 dB step)
- Uplink Tracking Offset (0 to 10 dB @ 0.5 dB step - Default mode is Off)
System
- If you click the Reboot button, the following message box will appear:
- If you click the Factory Setting button, the following message box will appear:
Heartbeat Time
- Heartbeat on and off (Default mode is Off)
- Heartbeat periodic time (Range: 1 to 59 min @ 1 min step –
Default time is 20 min)
Alarm Setting
- RSSI Alarm at Donor (-95 ~ -50 dBm @ 0.5 dB step –
Default value is -75 dBm)
- RF Power Alarm (2 ~ 10 dB @ 0.5 dB step –
Default value is 3 dB)
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vii) If you click on Install tab, the following window will appear:
- Band Selection: Simply click on the desired operating bandwidth.
- Modem: By default, auto-connection box is checked so that the modem will
connect automatically once sufficient donor signal is present.
- SNMP: Type in the assigned site/cascade ID and manager IP address.
Default Site ID and Manager IP address is ADRF and 100.10.10.100
respectively.
- Repeater: Click Install button to automatically setup the repeater.
- Repeater Location: Will display the physical address where the repeater is
installed
- Repeater Installer Info: Will display the installer’s name, phone and e-mail
Address for technical support.
viii) If you click on System tab, the following window will appear:
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Note: If you are the Super User, you will see account management section under
the System Window. If you are a local user, you will not be able to see the
account management portion.
Only the Super-User can add, delete and modify a user. The following window
illustrates how a new user can be added by simply clicking on New Account.
The following window illustrates how a new administrator can be added by
simply clicking on Administrator.
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If you click on Firmware Upgrade, the following window will appear. You can
browse through your PC and locate the firmware file. Once it’s selected, simply
click on Update and it’ll upload the latest firmware automatically and close the
session. You will need to re-login again.
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4. Maintenance Guide for Duo-i6525
4.1. Periodic Inspection Checklist
a. Check for loose connections to the repeater and antennas. If connections are
loose, make sure that all connections are tightly fastened properly.
b. Cables and connectors are in good condition.
c. Ensure that the repeater brackets are in good condition and that the repeater
is securely fastened.
4.2. Preventive Measures for Optimal Operation
4.2.1. Recommendations
• Perform the Periodic Inspection Checklist quarterly or semiannually.
4.2.2. Precautions
• Do not operate the repeater with the antennas in extremely close proximity
as this may cause damage to the repeater.
• Do not change parameters unless instructed to do so by an authorized
supervisor.
• Do not move the repeater unless instructed to do so by an authorized
supervisor.
• Do not detach any cables to the repeater unless repair of respective
components are necessary.
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5. Warranty and Repair Policy
5.1. General Warranty
The Duo-i6525 carries a Standard Warranty period of five (5) years unless indicated
otherwise on the package or in the acknowledgment of the purchase order.
5.2. Limitations of Warranty
Your exclusive remedy for any defective product is limited to the repair or
replacement of the defective product. Advanced RF Technologies, Inc. may elect
which remedy or combination of remedies to provide in its sole discretion. Advanced
RF Technologies, Inc. shall have a reasonable time after determining that a defective
product exists to repair or replace the problem unit. Advanced RF Technologies, Inc.
warranty applies to repaired or replaced products for the balance of the applicable
period of the original warranty or ninety days from the date of shipment of a repaired
or replaced product, whichever is longer.
5.3 Limitation of Damages
The liability for any defective product shall in no event exceed the purchase price for
the defective product.
5.4 No Consequential Damages
Advanced RF Technologies, Inc. has no liability for general, consequential, incidental
or special damages.
5.5 Additional Limitation on Warranty
Advanced RF Technologies, Inc. standard warranty does not cover products which
have been received improperly packaged, altered, or physically damaged. For
example, broken warranty seal, labels exhibiting tampering, physically abused
enclosure, broken pins on connectors, any modifications made without Advanced RF
Technologies, Inc. authorization, will void all warranty.
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5.6 Return Material Authorization (RMA)
No product may be returned directly to Advanced RF Technologies, Inc. without first
getting an approval from Advanced RF Technologies, Inc. If it is determined that
the product may be defective, you will be given an RMA number and instructions in
how to return the product. An unauthorized return, i.e., one for which an RMA
number has not been issued, will be returned to you at your expense. Authorized
returns are to be shipped to the address on the RMA in an approved shipping
container. You will be given our courier information. It is suggested that the original
box and packaging materials should be kept if an occasion arises where a defective
product needs to be shipped back to Advanced RF Technologies, Inc. To request an
RMA, please call (323) 254-8131 or send an email to techsupport@adrftech.com.
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Appendix A: Specifications
Electrical Specifications
Parameters Specifications Comments
SMR800 DL
SMR800 UL
Frequency
SMR900 DL 935 ~ 940 MHz
SMR900 UL 896 ~ 901 MHz
851 ~ 869 MHz or
862 ~ 869 MHz
806 ~ 824 MHz or
817 ~ 824 MHz
Composite
Output Power
Gain Ripple DL / UL
DL +25 dBm
UL +25 dBm
≤ ±1.25 dB (Peak-to-Peak)
Maximum 65 dB
Gain
(DL / UL)
Roll-Offs DL / UL
900 MHz
Inter-modulation
Adjustable
Band Edge
ALC Range
(SQE Degradation)
OIP3 DL / UL
Range 0 ~ 25 dB
Step 0.5 dB
Tolerance
±0.5 dB
≥ 65 dBc
DL
nd
2
harmonic
SMR800 DL
SMR900 DL
15 dB ALC
25 dB ALC
≤ -105 dBm
Default: 869 MHz
Adjust: 868.8 MHz, 868.6 MHz
Default: 940 MHz
Adjust: 939.8 MHz, 939.6 MHz
≤ 10%
≤ 20%
≥ 43 dBm
800 + 900 MHz
@ 0.5 MHz outside
Passband
@ 1870 ~ 1880 MHz
@ 200 kHz Step
@ Gain 65 dB / 40 dB
VSWR DL / UL
Spurious RF Emission DL / UL
Noise Figure UL
Delay DL / UL
≤ 1.5: 1
≤ -13 dBm
≤ 8 dB @max gain
≤ 8 us
Impedance - 50 Ohms
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Mechanical Specifications
Parameters Specifications Comments
Dimension 14.13 x 18.92 x 7.59 Inches
Weight < 44 lbs
RF Ports N-Type (F) Donor & Server Antenna Ports
Local Interface RJ45 (DHCP)
Cooling Air Convection
IP Class IP 20 Indoor Type
Mounting Type Wall Mounting
19” Rack Mounting Option
Available
Environmental Specifications
Parameters Specifications Comments
Operating Temperature
Relative Humidity 5 ~ 95 %, (Non-Condensing)
Dust Industrial Dust Per Telcordia GR63 Core
-10 ~ +50 ℃
Ambient
Power Specifications
Parameters Specifications Comments
AC Power 110 ~ 125 AC
AC Frequency 45 ~ 65 Hz
AC Supply Protection Fuse
DC Power Option -40 ~ -60 V / +20 ~ 30 V
Power Consumption
Ground External Threaded Stud
≤ 140 W
Environmental Specifications
Parameters Specifications Comments
MTBF > 100,000 Hours
Certificates UL 60950, FCC Part 90
Warranty 5 Years
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Mechanical Drawing
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