This manual covers the necessary items to install a XETI RF transceiver
module into a piece of host equipment. Antenna considerations, electrical
specifications, and labeling requirements are addressed.
[1] “XETI HOST INTERFACE PROTOCOL” L.S. Research / Henry Wagner,
Version 2.3/ October 22, 2003
TITLE:
DATE:
November 14, 2002
FILENAME, FILES AFFECTED:
ALERTx Users Manual v1.2
User Manual
REVISION:
1.2
PAGE:
W66 N220 COMMERCE COURT
CEDARBURG, WI 53012, USA
(262)-375-4400 FAX: (262)-375-6731
email: eng@lsr.com, http://www.lsr.com
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4.0 DESCRIPTION
The XETI module is a frequency hopping spread spectrum transceiver
capable of 2 way transportation of message packets in the 900 MHz ISM
band. A standard serial interface operating at 3 volt CMOS levels is used to
communicate with the host device. Exact protocol and messaging details
are available in the XETI Host Interface Protocol document.
Power is supplied by the host device through the interface connector in
accordance with the operating voltage and current requirements.
5.0 ELECTRICAL SPECIFICATIONS
The module should be operated within the electrical limits provided in the
section. Operation outside of the parameters may damage the unit.
Parameter Min Typ Max Units
Operating Voltage 2.70 3.00 3.60 VDC
Transmit Current 800 1000 mA
Receive Current 20 mA
Sleep Current 5 10 µA
Operating Temperature -40 +85 °C
6.0 CONNECTOR PINOUT
Pin # Name Description
1 Neg Supply Power supply ground
2 Pos Supply Positive power supply input
3 RX_J2 Serial receive input
4 TX_J2 Serial transmit output
5 P3.2 CTS output
6 P3.1 RTS input (not used)
7 P2.0/ACLK General I/O
8 P6.0/A0 General I/O
TITLE:
DATE:
November 14, 2002
FILENAME, FILES AFFECTED:
ALERTx Users Manual v1.2
User Manual
REVISION:
1.2
PAGE:
W66 N220 COMMERCE COURT
CEDARBURG, WI 53012, USA
(262)-375-4400 FAX: (262)-375-6731
email: eng@lsr.com, http://www.lsr.com
4 OF 7
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7.0 MOUNTING LOCATION
A vertical orientation is required. Mounting is accomplished via the 8 pin 0.1”
header along the edge of the board. The product integrator should provide
additional mechanical support for the opposite edge of the board by means
of either a standoff with a slot for the edge of the board or by supporting the
antenna connector.
In order to maintain compliance with the FCC modular certification it is
necessary to mount the module in such a way that user is never closer than
20 cm to the antenna.
The manual for end users of the product must contain a warning about the
20 cm separation as outlined in Section 10.0.
Additionally, the transceiver may not be co-located with any other antenna or
transmitter.
8.0 ANTENNAS
Compliance with FCC regulations may only be maintained using the
specified antennas. This module is designed for use with either a Nearson
model S321AH-915 ¼ wave monopole antenna or a permanent wire
antenna. Use of any other antenna is a violation of FCC rules.
When using the Nearson antenna a reverse polarity SMA connector is
supplied to prevent the use of other types of antennas.
The specified wire antenna will be attached at the factory and should not be
altered.
TITLE:
DATE:
November 14, 2002
FILENAME, FILES AFFECTED:
ALERTx Users Manual v1.2
User Manual
REVISION:
1.2
PAGE:
W66 N220 COMMERCE COURT
CEDARBURG, WI 53012, USA
(262)-375-4400 FAX: (262)-375-6731
email: eng@lsr.com, http://www.lsr.com
5 OF 7
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9.0 LABELING REQUIREMENTS
The FCC requires that the Part 15 statement be installed on the outside of
the final product in a manner which allows it to be seen and read. The
accepted statement and a sample label format are as follows:
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following
two conditions:
1. This device may not cause harmful
interference, and
2. This device must accept any
interference received, including
interference that may cause undesired
operation.
The label should be printed or molded into the case using a type front and
size that is readable with the unaided eye. The FCC identification number is
required.
10.0 RF EXPOSURE
TITLE:
DATE:
November 14, 2002
FILENAME, FILES AFFECTED:
ALERTx Users Manual v1.2
This module has been designed to comply with FCC RF exposure
requirements outlined in Parts 2.1091, 2.1093, and 15.247(b)(4). Deviation
from the recommended installation may violate RF exposure requirements.
The manual for end users of the final product which incorporates the XETI
module must contain the following statement in a prominent location:
To comply with FCC RF exposure requirements for mobile
transmitting devices, this transmitter should only be used or
installed at locations where there is at least 20cm separation
distance between the antenna and all persons.
User Manual
REVISION:
1.2
PAGE:
W66 N220 COMMERCE COURT
CEDARBURG, WI 53012, USA
(262)-375-4400 FAX: (262)-375-6731
email: eng@lsr.com, http://www.lsr.com
6 OF 7
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11.0 FCC NOTIFICATIONS
The XETI module generates radio frequency energy. It must be installed
according to the manufacturer’s guidelines or it has the potential to cause
interference with other radio devices. Testing has been performed to assure
that it conforms with the FCC Part 15 rules for intentional and unintentional
radiators.
No further EMI compliance testing of the transmitter is required as long as
the 20 cm separation and co-location requirements are observed. Each new
use of the module will, however, always need to be scanned for unintentional
radiation from digital clocks, etc.
All necessary calibration has been performed at the time of manufacture.
Any modification of the device after it leaves the factory is a violation of FCC
rules.
Compliance Statement (Part 15.19)
This device complies with Part 15 of the FCC Rules and with RSS-210 of
Industry Canada. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including
interference that may cause undesired operation.
Warning (Part 15.21)
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment.
RF Exposure (OET Bulletin 65)
To comply with FCC RF exposure requirements for mobile transmitting
devices, this transmitter should only be used or installed at locations
where there is at least 20cm separation distance between the antenna
and all persons.
TITLE:
DATE:
November 14, 2002
FILENAME, FILES AFFECTED:
ALERTx Users Manual v1.2
User Manual
REVISION:
1.2
PAGE:
W66 N220 COMMERCE COURT
CEDARBURG, WI 53012, USA
(262)-375-4400 FAX: (262)-375-6731
email: eng@lsr.com, http://www.lsr.com
7 OF 7
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