ADRF PSR78 User manual

PSR78
Public Safety Repeater
USER MANUAL
Version 0.1
3116 Vanowen St.
Burbank, CA 91505
Tel: [phone]
Fax: [phone]
www.adrftech.com

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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
IF
Intermediate Frequency
LNA
LTE
Low Noise Amplifier
Long Term Evolution
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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Released version: 0.1
Information in this document is subject to change without notice.
Advanced RF Technologies, Inc. 1996-2011.
All rights reserved.
Please send comments to:
E-Mail: [email protected]
Phone: [phone]
[phone]
Fax: [phone]
Address: Advanced RF Technologies, Inc.
Attention: Technical Publications Department
3116 Vanowen St.
Burbank, CA 91505
USA
www.adrftech.com
Revision History
Version
Author
Description
Date
0.1
Sun Kim
Initial Release
March 16, 2011

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TABLE OF CONTENTS
1. PSR78 REPEATER..........................................................................................................6
1.1 Introduction................................................................................................................6
1.1.1 Highlights.........................................................................................................6
1.1.2 Parts List...........................................................................................................7
1.1.3 Repeater Quick View........................................................................................7
2. WARNINGS AND HAZARDS ........................................................................................9
3. PSR78 OVERVIEW....................................................................................................... 11
3.1 Switches & Fault Indicators..................................................................................... 11
3.1.1 LEDs...............................................................................................................11
3.1.2 Message Board Alarms and Notification .......................................................11
3.2 Switches and Ports...................................................................................................12
3.2.1 AC In Port.......................................................................................................12
3.2.2 Battery Port ....................................................................................................12
3.2.3 Power Switch..................................................................................................12
3.2.3 Ethernet Port and Host/Remote Switch..........................................................13
3.2.4 RF Ports..........................................................................................................13
3.2.5 Ext. ALARM Port ..........................................................................................13
3.5 Installation ...............................................................................................................14
3.5.1 Wall Mount Procedure....................................................................................14
3.5.3 Grounding.........................................................................................................1
3.5.4 Antenna Separation/Isolation ...........................................................................2
3.5.5 Line of Sight.....................................................................................................3
4. PSR78 WEB-GUI SETUP................................................................................................4
4.1 Repeater/PC Connection Using Web-GUI.................................................................4
4.2 Status Tab...................................................................................................................5
4.2.1 Status- 700 MHz...............................................................................................5
4.2.2 Status- 800 MHz...............................................................................................5
4.2.3 Side Navigation Bar.........................................................................................6
4.2.4 SMR700 Band / SMR800 Band.......................................................................6
4.2.5 Power & Gain...................................................................................................6
4.2.6 Alarm................................................................................................................6
4.2.7 AAI...................................................................................................................7
4.2.8 Message Board.................................................................................................7
4.2.9 Repeater Info / Modem Info / Technical Support / Installer Contact Info.......7
4.2.10 Install, Modem, and Power Status..................................................................8
4.3 Control Tab ................................................................................................................8
4.3.1 Control..............................................................................................................8
4.3.2 General Setting.................................................................................................8
4.3.3 System..............................................................................................................9
4.3.4 Oscillation Check Time....................................................................................9
4.3.5 Sleep Mode Setting ..........................................................................................9

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4.4 Install Tab.................................................................................................................11
4.4.1 Install- 700MHz / 800 MHz........................................................................... 11
4.5 System......................................................................................................................13
4.5.1 System: Account.............................................................................................13
4.5.2 System: User Log...........................................................................................15
4.5.3 System: Update ..............................................................................................15
4.6 Help..........................................................................................................................16
4.7 Logout......................................................................................................................16
Clicking the Logout button will log the current user off the system. ............................16
5. MAINTENANCE GUIDE FOR PSR78 REPEATER.................................................17
5.1 Periodic Inspection Checklist ..................................................................................17
5.2 Preventive Measures for Optimal Operation ...........................................................17
5.2.1 Recommendations..........................................................................................17
5.2.2 Precautions .....................................................................................................17
6. WARRANTYAND REPAIR POLICY.........................................................................18
6.1 General Warranty.....................................................................................................18
6.2 Limitations of Warranty...........................................................................................18
6.3 Limitation of Damages ............................................................................................18
6.4 No Consequential Damages.....................................................................................18
6.5 Additional Limitation on Warranty..........................................................................18
6.6 Return Material Authorization (RMA) ....................................................................18
7. SPECIFICATIONS ........................................................................................................19
7.1 Electrical Specifications ..........................................................................................19
7.2 Mechanical Specifications.......................................................................................20
7.3 Power Specifications................................................................................................20
7.4 Environment Specifications.....................................................................................20
7.5 Alarm Specification .................................................................................................21
APPENDIXA: MECHANICALDRAWING...................................................................22
APPENDIX B: SHUTDOWN RETRY LOGIC...............................................................23

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1. PSR78 Repeater
1.1 Introduction
The PSR78 is an over-the-air repeater system that operates in both the 700 and 800 MHz public safety
frequencies.
1.1.1 Highlights
•Supports up to 2 frequency bands simultaneously
oCovers the entire 700 MHz Public Safety Frequencies (12 MHz)
oCovers the entire 800 MHz Public Safety Frequencies (18 MHz)
•Composite Output Power of 30 dBm
•30 dB AGC Range @ 0.5 dB Step
•Adjustable AGC Output Power Level
•Adjustable ALC Level
•Band Selectable via Web-GUI
•Can Support up to 6 total Non-Contiguous Bands
•External Alarming capabilities via dry contact AAI alarms
•Digital filtering
•Incremental Automatic Shutdown/Resumption Time: PSR78 gradually increases the time span between
automatic shutdown and resumption before it permanently shuts itself down
•Versatility and Usability: PSR78 gives total control to the user. Most of the control parameters, e.g., gain,
output power, alarm threshold, etc. can be changed using the Web-GUI so that the user can adjust the
system perfectly to the given RF environment
•Web-GUI connectivity via DHCP
•Supports DHCP; No 3rd party GUI software required
•Automated installation

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1.1.2 Parts List
Label
Quantity
Description
A
1
PSR78 Repeater
C
1
AC Power Cable
D
1
Ethernet Cable (Crossover)
E
1
Documentation CD**
F
1
Ground Cable
G
8
Rack Mount Bolt/Nut
** CD includes: User Manual, Quick-Start Guide, and Troubleshooting Guide
Figure A –PSR78 Repeater Parts List
Table 1 –Parts List
A
C
D
E
F
G

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1.1.3 Repeater Quick View
Door Latches
AC IN Port
External AAI Alarm Port
Battery Backup Port
RJ-45 Port and
Host/Remote Switch
Server Ports
Donor Ports

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2. Warnings and Hazards
Actual separation distance is determined upon gain of antenna used.
Please maintain a minimum safe distance of at least 50 cm while operating near the donor and the server antennas. Also, the donor
antenna needs to be mounted outdoors on a permanent structure.
RF EXPOSURE & ANTENNA PLACEMENT Guidelines
Operating the Axiom with antennas in very close proximity facing each other could lead to severe
damage to the repeater.
WARNING! DAMAGE TO REPEATER
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 www.fcc.gov/oet/rfsafety to learn
more about the effects of exposure to RF electromagnetic fields.
WARNING! EXPOSURE TO RF
Opening the PSR78 could result in electric shock and may cause severe injury.
WARNING! ELECTRIC SHOCK

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Double Pole/Neutral Fusing.
CAUTION
NOTE: 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 their own expense.
FCC Part 15 Class A
Lithium Battery: CAUTION. RISK OF EXPLOSION IF BATTERY IS REPLACED BY INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO INSTRUCTIONS.
Ethernet Instructions: This equipment is for indoor use only. All cabling should be limited to inside the
building.
Opening or tampering the Axiom will void all warranties.
WARRANTY

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3. PSR78 Overview
3.1 Switches & Fault Indicators
3.1.1 LEDs
The PSR78 has 3 LED’s located on inside of the repeater.
Figure 1: Module LED
PSR78
Specifications
Power
Solid Green
Module power is ON
OFF
Module is powered OFF
Soft Fail
Solid Yellow
Soft Fail alarm exist in the system
OFF
No Soft Fail alarm are present in the system
Hard Fail
Solid Red
Hard Fail alarm exist in the system
OFF
No Hard Fail alarms are present in the system
3.1.2 Message Board Alarms and Notification
Parameters
Remark
AC fail
Power supply out of range
DC fail
Power supply out of range
Communication failure
Internal Communication failure
RMF
Field replaceable module failure
RESET
Reset alarm
Heartbeat
Heartbeat
OSC
Oscillation detected
UL RSSI fail
Power at coverage port too high
UL PLL fail
UL Synthesizer failure
H/W fail
Hardware failure
S/W fail
Software failure
UL Emission fail
UL Out-of-band emissions out of spec
DL RSSI fail
Donor Power too high/low
ISO fail
Low isolation
DL PLL fail
DL Synthesizer failure
DL Spur fail
DL Spurious emissions out of spec
Interfere
Interferer power exceeded

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3.2 Switches and Ports
3.2.1 AC In Port
The AC In Port is designed to work with the power cable that is included with the system.
Figure 2: AC In Port
3.2.2 Battery Port
The PSR78 can be connected to an ADRF-BBU (ADRF Battery Backup) to provide power during a power failure.
If an ADRF-BBU is utilized, connect the ADRF-BBU to the PSR78 via the external battery port as shown in Figure
4.
Figure 3: Battery Backup Port
(WARNING: The circuit switch on the ADRF-BBU must be set to OFF before connecting the ADRF-BBU
to the PSR78 to prevent damage to the repeater or the ADRF-BBU and personal injury.)
Note: Please contact ADRF Technical Support for assistance if you are unfamiliar with the installation
procedure of our battery box.
3.2.3 Power Switch
The power switch is located on the inside of the repeater. Open the 2 latches on the side of the repeater to
open the top cover. Once opened, the power switch is located on the bottom left of the power supply.
Figure 4: Battery Backup Port

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3.2.3 Ethernet Port and Host/Remote Switch
The Ethernet Port and Host/Remote switch are located underneath the waterproof cover. Loosen the hand-
screws and remove the cover to expose the Host/Remote switch and the Ethernet port to gain access to the
system. Once the system is configured, it is recommended replace the cover and tighten the screws back into
place.
Ethernet Port
The Ethernet port can be used to communicate directly with the PSR78 using a RJ-45 crossover cable or can
also be used to connect the PSR78 to an external modem box.
Host/Remote Switch
The Host/Remote Switch allows the user to switch the default Repeater IP, Subnet Mask, and Gateway of the
repeater to an alternative setup. These settings can be adjusting by logging into the repeater in HOST mode
and configuring the settings under the Modem Box Setting section on the Install Page (section 4.4). Once
the settings are set, flipping the switch to the REMOTE position will reboot the repeater with the new alternate
settings. Please note that when the repeater is set to the REMOTE position DHCP is disabled and the
repeater will not automatically assign an IP address to any device that connects directly to the repeater.
Figure 4: Ethernet Port and Host/Remote Switch
3.2.4 RF Ports
The donor and server antennas connect directly to the PSR78 using the ports listed below:
S7 DONOR- 700 MHz Donor Antenna
S8 DONOR- 800 MHz Donor Antenna
S7 SERVER- 700 MHz Server Antenna
S8 SERVER- 800 MHz Server Antennas
Figure 5: PSR78 RF Ports
3.2.5 Ext. ALARM Port
The PSR78 uses the open collector method. The Ext. Alarm port allows the PSR78 to send out dry contact AAI
alarms to an alarming panel. The PSR78 can receive a voltage up to +24V on the “+”line.
Figure 6: Ext. ALARM Port

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3.5 Installation
3.5.1 Wall Mount Procedure
The wall-mounting bracket has six mounting holes which are used to mount the bracket to the wall. The wall
bracket must be securely attached to the wall in order to support the weight of the PSR78. After mounting the
bracket to the wall, the PSR78 is placed on the mounting bracket using the four guard screws attached to the
PSR78.
The following steps should be followed while mounting the repeater:
①Take the PSR78 out of the box.
②Using the six anchor bolts, mount the bracket on the wall.
③Make sure the bracket is securely mounted.
④Slightly tilt the top portion of the repeater and mount the repeater onto the wall as shown in figure 4 in
the illustrations below. Hook the upper 2 guard screws first and then slide/push in the lower 2
guard screws into place.
⑤Make sure the PSR78 is securely placed onto the wall bracket.
⑥Fasten the 8 bracket screws back properly on both sides.
⑦Verify that the repeater is secure and properly grounded.
Figure 7: Wall Mount Instructions

3.5.3 Grounding
Install the ground cable which is included in the package on the side of the repeater as show in the figure below.
Figure 8: Wall Mount Instructions

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3.5.4 Antenna Separation/Isolation
Separation between the 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.
REPEATER
Figure 9: 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
PSR78 has a maximum gain of 90 dB, it requires an isolation of at least 103 ~ 105 dB.

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3.5.5 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.
Figure 10 - Direct Line of Sight to the BTS

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4. PSR78 Web-GUI Setup
The Web-GUI allows the user to communicate with the repeater either locally or remotely. To connect to the repeater
locally, you will need a laptop with an Ethernet port and a RJ-45 crossover cable. To connect to the repeater remotely,
you will need to have an active internet connection and the repeater must have either an internal modem or an Omnibox
(ADRF Modem Box) connected to the repeater.
4.1 Repeater/PC Connection Using Web-GUI
A. Verify that your Local Area Connection is set to Obtain an IP address automatically under the Internet Protocol
(TCP/IP) properties
If you are connecting to the unit remotely, then skip steps A and B.
B. Connect the RJ-45 crossover cable between the laptop’s Ethernet port and the repeater’s Ethernet port
C. Launch an Internet Browser
D. Type the following IP address into the address bar of Microsoft Internet Explorer: http://192.168.63.1
If you are connecting to the unit remotely, then type the IP address of the modem to connect to the unit
E. The following login screen will appear:
If you are not the Administrator, please type in your assigned username & password which you should have
received from the Administrator.
The default username and password for the General User is adrf & adrf, respectively.

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4.2 Status Tab
4.2.1 Status- 700 MHz
Status- 700 MHz
4.2.2 Status- 800 MHz

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4.2.3 Side Navigation Bar
The side navigation bar located on the left hand side of the Web-GUI allows the user to switch between the two
technolgies supported by the system.
4.2.4 SMR700 Band / SMR800 Band
The band column displays the bandwidth that has been selected. The downlink column displays the center
frequency of the selected band. The uplink column displays the center frequency of the selected band.
4.2.5 Power & Gain
This section displays the Input, Gain, and Output for both downlink and uplink.
4.2.6 Alarm
This section displays the four (4) alarms statuses with three possible status conditions (Normal, Soft Fail or Hard
Fail).