Savi RFR-100 User manual

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First edition (November 1997)
Order number DOC-2008
Part number 805-01709-001 Rev. G
Copyright © 2001 Savi Technology, Inc. All rights reserved. Printed in the United States of
America.
Information in this manual is subject to change without notice and does not represent a commitment
from the vendor. The software and/or databases described in this document are furnished under a
license agreement or nondisclosure agreement. The software and/or databases may be used or copied
only in accordance with the terms of the agreement. It is against the law to copy the software on any
medium except as specifically allowed in the license or nondisclosure agreement.
Savi, Batch Collection, and TyTag are registered trademarks and Adaptive Routing, Enhanced Batch
Collection, Hand Held Interrogator (HHI), Savi Asset Manager, Savi Fixed Interrogator,
Savi GateReader, Savi Mobile Manager, Savi MobileReader, Savi Retriever, Savi SDK, Savi
SmartChain, Savi System, Savi Tools, SaviReader, SaviTag, and SealTag are trademarks of Savi
Technology, Inc.
Other product names mentioned in this guide may be trademarks or registered trademarks of their
respective owners and are hereby acknowledged.
This manual was produced by the Savi Technology Publications Group. Please address any
comments or requests for updates to:
Savi Technology, Inc.
Publications Manager
615 Tasman Drive
Sunnyvale, CA 94089-1707
Phone: [phone]
Facsimile 1-408-543-8650
Web Site: http: //www.savi.com
Author: Marlowe Conde
Contributors: Eugene Schlindwein
Layout Design and Production: Marlowe Conde

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The Federal Communications Commission has established technical standards regarding radio
frequencyenergy emitted by computer devices. 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 with radio/TV reception. 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 his own expense.
Changes or modifications to this equipment that are not expressly approved by
Savi Technology could void the warranty and the authority to operate this
equipment.
Savi Technology is not responsible for radio/TV interference caused by using
unauthorized cable or by making unauthorized changes to this equipment.
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The RFR-100 and RFR-200 are ETL listed (UL 1950).

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The following table explains guide conventions and typography usage.
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Example Meaning and Use
Note: Notes call attention to facts or advice that deserve
special attention.
Caution notices call attention to the possibility of
damaging the product, the system, or your work
(for example, potential loss of data).
Warning notices call attention to the possibility
of injury to people.
Examples provide a scenario to further explain
the preceding direction or procedure.
7HUPLQDO/RFNHG Bold type is used for prompts, field names, and other
text as displayed on the screen.
$?,167$// Bold type is also used for text you enter exactly as
shown.
 '$7$ Monospaced type is used for system messages, examples
of data files, program code, and other text where column
alignment is important.
name.bmp or tag_id Italic type is used for emphasis of a word or phrase that
is new or especially important.
&WUO + =Used for a keyboard control codes or manual keystrokes.
This example tells you to hold the &WUO key while you
press the =key.
Example

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Regulatory Approvals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Federal Communications Commission (FCC) Notice . . . iii
Product Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Conventions in this Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Chapter 1: Overview
The RF Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
RF Relay Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Chapter 2: Installation
Network Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Mounting the Relay Components. . . . . . . . . . . . . . . . . . 2-4
Physical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Attaching the Filter to the Antenna . . . . . . . . . . . . . . . . 2-6
Interconnecting the Relay Components . . . . . . . . . . . . . 2-7
Connecting the Power Cable . . . . . . . . . . . . . . . . . . . . . 2-9
Connecting the Network Cable(s) . . . . . . . . . . . . . . . . 2-10
Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Chapter 3: Maintenance
Repair and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Replacing the Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Changing Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Getting Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

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1-1 Savi RF Relay Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2-1 Two RF Relays Linking a Computer with a Wired Network. . . . . 2-2
2-2 Savi RF Relays Linking Two SaviReader Wired Networks. . . . . . 2-3
2-3 Mounted Antenna with Model UDC2.4C-0C Converter . . . . . . . . 2-5
2-4 Mounting the Antenna with Filter . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2-5 RF Relay, Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
3-1 Access to the HyperTerminal Program. . . . . . . . . . . . . . . . . . . . . . 3-4
3-2 HyperTerminal Connect To Window . . . . . . . . . . . . . . . . . . . . . . . 3-5
3-3 HyperTerminal COM Properties Window . . . . . . . . . . . . . . . . . . . 3-6
3-4 HyperTerminal Main Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3-5 Access to the HyperTerminal Program. . . . . . . . . . . . . . . . . . . . . 3-10
3-6 HyperTerminal Connect To Window . . . . . . . . . . . . . . . . . . . . . . 3-11
3-7 HyperTerminal COM Properties Window . . . . . . . . . . . . . . . . . . 3-12
3-8 HyperTerminal Main Window . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

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This manual describes how to install both the Savi RF Relay model
100 (RFR-100)and the Savi RF Relay model 200 (RFR-200). Both
models provide wireless links among readers or between readers
and a host computer. The RFR-100 connects to RS-485 networks,
while the RFR-200 connects to LonWorks® networks.

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In situations where wired connection is impractical between a
host computer and a network of SaviReaders (or between two
sub-networks of SaviReaders), two Savi RF Relays can create a
wireless connection. This connection allows one host computer
to control readers that monitor a much larger physical area than
is possible using only wired connections.
The Savi RF Relay is available in two models, both of which are
described in this manual:
•The RFR-100 model provides a long-distance wireless link
in an RS-485 network, using an RF modem.
•The RFR-200 model provides a long-distance wireless link
in a LonWorks network, using an RF modem.
Both models of the Savi RF Relay have four basic components:
•The RF Relay itself, which includes a wireless transceiver
and network interface in a weatherproof NEMA enclosure
•An up/down converter (two models), which provides
necessary frequency conversion between the RF Relay and
the antenna
•A bandpass filter that attaches to the end of the antenna
(up/down converter model UDC2.4B-0C only)
•An omnidirectional 2.4 GHz antenna
Figure 1-1 shows a Savi RF Relay with its antenna and up/down
converter mounted on the same mast.

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Antenna
Up/down
RF Relay
Converter
in NEMA case
Filter
(Model UDC2.4B-0C)
Up/down
Converter
(Model UDC2.4C-0C)

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The Savi RF Relay is designed for indoor or outdoor use.
Table 1-2 describes its specifications.
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Physical
Dimensions: 32 cm (12.5 in.) x 28 cm (11 in.) x 15 cm
(6 in.)
Material: Molded fiberglass
Weight: 45 kg (10 lb)
Environmental
Temperature: –32ºC to +70ºC (operating)
–40ºC to +70ºC (storage)
Wireless
Frequency: 2.450–2.474 GHz (transmit and receive)
Range: 2.4 kilometers (1.5 miles) minimum,
line-of-sight
Transmission Power: 500 mW (27 dBm) max. ERP
Modulation: BPSK
Antenna 2.4 GHz Omnidirectional, 9dBi
Receiver Sensitivity: –101 dBm
Type: Triple Conversion Superheterodyne
IF Frequency: 902–928 MHz
Approval: Unlicensed operation under FCC part 15.247
Digital
Data Rate: 64.516 Kbps (Transmit/Receive RF Data
Mode)
38.4 Kbps (RS-485 network communication,
Model 100)
78 Kbps (LonWorks network communication,
Model 200)
Power
AC Source: 100–240 VAC, 50/60 Hz, 1.2–0.6 A
DC Source: 12–24 VDC, 3 A
Approval: UL 1950

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Installing the Savi RF Relay requires pre-planning your hardware
needs to match your site and application. Discuss site-specific
issues with your Savi customer service representative. The Savi
System Installation Guide (Savi part number 805-00968-010/
order number JDM-1004) describes the overall process of
planning an RFID network.
This chapter describes the RF Relay installation process.
To comply with FCC Section 1.1307 for RF exposure
requirements, a minimum separation distance of 2m
(79 inches) is required between the antenna and all
persons.
Note: The Savi RF Relay is used in sophisticated wireless data
networks. The RF Relay is not sold to the general public.
Unless installation is performed by knowledgeable
personnel with both software and RF experience, nodes
in the WLAN are likely to be incorrectly configured, with
the result that the entire network is compromised or
rendered inoperable.

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Two Savi RF Relays bridge a minimum distance of 2.4 kilometers
(1.5 miles) line-of-site as a wireless connection between a host
computer and a SaviReader network, or between two
sub-networks of SaviReaders within a network.
Determine in advance where you will need to use Savi RF Relays
to complete your Savi System, and then identify power sources,
installation locations, and where to run cables.
Note: To ensure the best RF range, do not install the Savi
RF Relay where its antenna will be obstructed by
metal surfaces.
Figure 2-1 illustrates a Savi RF Relay connected to a host
computer that communicates by RF with a wired network
of remote SaviReaders.
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RF Relay
1001
SaviReader #31 SaviReader #32
RF Relay
1003

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Figure 2-2 illustrates Savi RF Relays that make connections
among a wired network of SaviReaders attached to a host
computer and two other wired networks of SaviReaders.
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As you decide where to mount RF Relay components in relation
to each other, keep in mind that the up/down converter connects
to the NEMA enclosure through a coaxial cable with a maximum
length of 153 dm (50 feet). The up/down converter (model
UDC2.4B-0C only) connects to the antenna filter through a
46 cm (18 in.) coaxial cable. The up/down converter model
UDC2.4C-0C connects directly to the antenna using the 61 cm
(24 in.) coaxial cable.
Although you can move a Savi RF Relay after you install it,
Savi recommends that you make sure each relay is operational
before you install it in a position that is hard to reach.
Mounting kits available from Savi Technology include hardware
to mount a Savi RF Relay on a pole (wooden, metal, or concrete),
wall, or a tripod. Please refer to the instructions included with the
mounting kit for proper installation.

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Be sure to mount the antenna so that its radiating element is clear
of obstructions.
Note: Note that the antenna is not grounded; therefore Savi
recommends that you install a lightning-protection
device in your system. Since the antenna has vertical
gain, it is very important to mount it so that the
radiating element is vertical.
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Up/down Converter
Universal
Savi Mount Tube
Antenna
Radiating
Element
Mounting
Block
Coaxial Cables
(Model UDC2.4C-0C)

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The rest of this chapter provides instructions about how to install
an RF Relay and verify that your installation is correct.
» To install an RF Relay:
1. Attach the filter to the antenna if you are using an up/down
converter model UDC2.4B-0C.
2. Mount the RF Relay, antenna or antenna/filter combination,
and up/down converter.
Refer to the instructions provided in the Savi Mounting Kit.
3. Connect the RF Relay, antenna or antenna/filter combination,
and up/down converter to each other using the provided
coaxial cables.
4. Connect the power cable to the RF Relay.
5. Connect the network cable(s) to a computer or to a
SaviReader in a daisy-chain configuration.
Note: After you have installed at least two RF Relays,
you can verify that they are installed correctly
as described in “Verification” on page 2-11.
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Note: The filter is used only with the up/down converter
model UDC2.4B-0C.
The filter is designed to fit onto the connector end of the antenna.
Attach the filter by screwing it onto the antenna. The coaxial
cable that will run between the up/down converter and the
antenna will then attach directly to the filter.

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»To connect the antenna/filter to the up/down converter:
1. Attach the male connector of the 46 cm (18 in.) cable to
the port on the end of the filter.
2. Turn the connector clockwise until it is firmly attached
to the filter.
3. Attach the cable’s female connector to the port that is near
the center of the up/down converter.
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4. Turn the connector clockwise until it is firmly attached to the
up/down converter.
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To connect the components of the RF Relay to each other, you
must connect the RF Relay itself to the up/down converter. The
system does not function if you connect the RF Relay directly
to the filter (or to the antenna).
Do not connect or disconnect the up/down
converter while the RF Relay is connected to
a power supply.
Up/down Converter
Universal Savi Mount Tube
Antenna
Radiating
Element
Mounting
Block
Coaxial Cables
(Model UDC2.4B-0C)
Filter

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»To connect the up/down converter to the NEMA enclosure:
1. Using the 153 dm (50 ft.) cable, which has a male connector
at each end, attach the smaller of the connectors to the
antenna-cable port on the RF Relay.
The antenna-cable port is the farthest to the left side on the
bottom of the relay NEMA enclosure, as shown in Figure 2-5.
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2. Turn the connector clockwise until it is firmly attached to
the antenna-cable port.
3. For the Model UDC2.4B-0C converter: Attach the other
connector to the female port on the side of the up/down
converter.
4. For the Model UDC2.4C-0C converter: Attach the other
connector to the converter port marked IU (indoor unit).
5. Turn the connector clockwise until it is firmly attached to
the up/down converter.
Antenna
Cable Network In Network Out AC Fuse Holder Power Cable