Advanced RF Technologies, Inc. Proprietary DocumentPage 4 of 32
Epoch-S02-19001W RF Repeater
User Manual V1.0
1. Installation Guide for Epoch-S02-19001W
1.1 Environmental Requirements
1.1.1 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.
DonorServer
RF Repeater
Figure 1 - 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 Epoch-S02-19001W has a maximum gain of 96 dB, it
requires an isolation of at least 109 ~ 111 dB.
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Epoch-S02-19001W RF Repeater
User Manual V1.0
1.1.2 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 2 - Direct Line of Sight to the BTS
Advanced RF Technologies, Inc. Proprietary DocumentPage 6 of 32
Epoch-S02-19001W RF Repeater
User Manual V1.0
1.2 Warnings and Hazards
WARNING! ELECTRIC SHOCK
Tampering with the modules within the Epoch-S02-19001W
repeater exposes the user to electric shock and the risk of
damaging the unit. DO NOT TAMPER with modules within the unit.
Opening or tampering with any modules inside the Epoch-S02-
19001W will void all warranties.
WARNING! HIGH VOLTAGE
In installing donor or server antennas, avoid close proximity to
overhead power lines or high power components. Contact with
high power components will severely damage the repeater and may
cause serious injury and/or death to the user. Exercise extreme
caution when installing antennas near high power lines.
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
to learn more about the effects of exposure to RF electromagnetic
fields.
www.fcc.gov/oet/rfsafety
MPE WARNING!
Please maintain a safe distance of 50.16cm while operating near the donor and the
server antennas (assuming the maximum gain of either of the antennas do not exceed
15 dBi).
Advanced RF Technologies, Inc. Proprietary DocumentPage 7 of 32
Epoch-S02-19001W RF Repeater
User Manual V1.0
WARNING!
Operating the Epoch-S02-19001W with antennas in
very close proximity facing each other could lead to
severe damage to the repeater.
1.3 Tools and Recommendations for Installation
The following may be necessary (not required) for installation of the repeater:
a. Crescent Wrench
b. Philips Screw Driver
c. Lift, Ladder, or Boom Truck
d. Spectrum Analyzer
e. Sweep Tester
f. Signal Generator
g. Pilot Scanner
h. RF Power Meter
i. Voltmeter
j. Coaxial Cables
k. Compass
l. PC with an RS-232 serial port (with Epoch-S02 1W OMS V1.XX Software
installed)
The list above may vary depending on if brackets are used to install the repeater.
Bring additional tools that may be useful during installation. It is recommended
that two people install the Epoch-S02-19001W repeater system.
1.4 Epoch-S02-19001W Parts List
The Epoch-S02-19001W repeater system includes:
PART ID
a. Epoch-S02-19001W Repeater EPOCHSO201 1
b. Repeater I-Bracket (Added Option) ISRB01 1
c. Nuts and Bolts BLTS01 4
d. Screws (Added Option) SC01 8
e. Epoch-S02 1W OMS V1.XX SO2OMS V1.XX01 1
f. Ground Cable GNDSTD01 1
QUANTITY
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Epoch-S02-19001W RF Repeater
User Manual V1.0
g. Straight-Through Serial Cable SCST01 1
h. Keys KEYS01 4
1.5 Epoch-S02 1W OMS V1.XX Installation and Requirements
Memory: 32 MB
Hard Disk: 10 MB (Free Space)
Serial Port: 1 Port (RS-232)
CD-ROM Drive
Compatible Operating System:
Microsoft Windows 98SE, ME, 2000 (Preferred), XP
1.5.2 Epoch-S02 1W OMS V1.XX Installation
Installing the Epoch-S02 1W OMS V1.XX
a. Insert the CD into the CD-ROM drive.
b. Click on “My Computer.”
c. In the “My Computer” window, click on your CD-ROM drive (usually
labeled D:).
d. Double-click the file labeled “setup.exe.”
e. The installation wizard will guide you through the conclusion of the
Epoch-S02 1W OMS V1.XX installation process.
1.5.3 Initial Startup of Epoch-S02 1W OMS V1.XX
a. Using the straight-through serial cable (SCST01) that is provided,
connect one end of the cable to the PC RS-232 serial port and the
other end to the repeater’s DB9 port (labeled as NMS) located on the
bottom of the repeater.
b. Open the Epoch-S02 1W OMS V1.XX software
c. In the Status Window, choose the right communication port: COM1,
COM2, COM3, or COM4 (the default setting is COM1). Refer to
section 2.1.1 for additional information on page 15.
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Epoch-S02-19001W RF Repeater
User Manual V1.0
** If your PC does not have a serial port and only supports USB
connection, you will then need a USB-to-Serial adapter so that it can
connect to the straight-through serial cable that is provided.
d. Click on
the Status Window again to refresh the window.
1.6 Pre-Installation using Epoch-S02 1W OMS V1.XX
Prior to the Epoch-S02-19001W installation, ensure that:
a. The correct COM port is selected.
b. The donor and server antennas are in place.
c. The TX and RX communication status LEDs are blinking.
** The TX and RX LEDs should blink every 1 second only in the Status
Window. In the Status Window, a blinking green RX LED indicates that the
PC is retrieving data from the repeater (Epoch-S02-19001W). Similarly, a
blinking green TX LED indicates that the PC is transmitting data to the
Epoch-S02-19001W.
** If neither of the LEDs is blinking: (1) check the COM port setting of
your PC by choosing the port to which the serial port is assigned; (2)
check the straight-through serial cable is connected properly between
the PC and the repeater; or (3) check if the repeater power is on.
1.7 Step by Step Instructions for Installation
1.7.1 Repeater Setup
1. Mount the I-Bracket (Optional)
Position the I-Bracket (ISRB01) at the desired location. Using the 8
screws (SC01) provided, fasten the I-Bracket securely.
2. Attach Repeater to the I-Bracket (Optional)
Using the 4 bolts (BLTS01) provided, fasten the repeater (Epoch-S0219001W) to the I-Bracket.
Advanced RF Technologies, Inc. Proprietary DocumentPage 10 of 32
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