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DRAFT 8-1-2019

Technical Brief

Aclara Radio Module (101-2017-025)

Implementation Requirements

Y20980-TEB Rev. A

A product of

Aclara Technologies LLC

Confidential and Proprietary

PROPRIETARY NOTICE

This document contains information that is private to Aclara Technologies LLC, an Ohio limited liability company, and/or that is

private to Aclara Meters LLC, a Delaware limited liability company (individually or collectively “Aclara”). This information may

not be published, reproduced, or otherwise disseminated without the express written authorization of Aclara.

Any software or firmware described in this document is furnished under a license and may be used or copied only in

accordance with the terms of such license.

DISCLAIMER

The information in this document is subject to change without notice and should not be construed as a commitment by Aclara.

Aclara assumes no responsibility for any errors that may appear in this document.

No responsibility is assumed for the use or reliability of software on equipment that is not supplied by Aclara.

Metrum Cellular, STAR, Synergize, and TWACS are registered trademarks of Aclara Technologies LLC.

Summary of content (9 pages)

PAGE 1
DRAFT 8-1-2019 Technical Brief Aclara Radio Module (101-2017-025) Implementation Requirements Y20980-TEB Rev. A A product of Aclara Technologies LLC Confidential and Proprietary Copyright 2019 Aclara. All Rights Reserved. PROPRIETARY NOTICE This document contains information that is private to Aclara Technologies LLC, an Ohio limited liability company, and/or that is private to Aclara Meters LLC, a Delaware limited liability company (individually or collectively “Aclara”).
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DRAFT 8-1-2019 Technical Brief FCC/ISED Compliance This product/device has been tested and certified to be in compliance with all appropriate requirements of both the FCC and ISED. Any changes or modification to this product/device, or the use of any antenna other than the one provided by or authorized with expressed written approval by Aclara Technologies LLC may void the user's authority to operate this product/device.
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DRAFT 8-1-2019 Technical Brief Introduction The information in this document will provide guidance on proper implementation of the Model 101-2017-025 Aclara Radio Module (ARM). The ARM is a limited single modular transmitter that can be used on Aclara’s proprietary end point devices to support Aclara’s RF network. Proper RF performance, within Aclara’s licensed operating frequency band of 450 MHz to 470 MHz, can be achieved by following a few design guidelines.
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DRAFT 8-1-2019 Radio Pin # Signal Name V13 GND V14 Technical Brief Function I/O Type Level GPIO2 TXRX GPIO 2 Digital I/O 3.6 V V15 GPIO3 TXRX GPIO 3 Digital I/O 3.6 V V16 TXRX_SDN TXRX Shutdown Signal Digital Input 3.6 V V17 OSC_nEN TCXO Enable Signal Digital Input 3.6 V V18 GND V19 GND V20 VCC_TX PA Supply Voltage Power 3.6 V V21 VCC_TX PA Supply Voltage Power 3.6 V V22 RX0TX1 Transmit/Receive Control Digital Input 3.
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DRAFT 8-1-2019 Technical Brief Design Guidelines Power Supply The host board power supply shall provide a regulated 3.6 VDC output voltage with less than 20 mVAC of ripple. The power supply shall be capable of supplying up to 1.0 A and regulating the 3.6 V output voltage to ± 5% tolerance. The transceiver voltage rail, VCC_TXRX, is all that is required to communicate with the RF transceiver and operate the RF circuitry in receive mode.
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DRAFT 8-1-2019 Technical Brief ARM Test Board for Certification The following image shows the Aclara Radio module mounted on a test board used for certification qualification. The ARM Circuitry of the Test Board There is a microcontroller that interfaces with the ARM using a Serial Peripheral Interface (SPI). The SPI interface is where all data communications occur between the Host microcontroller and the RF transceiver of the ARM. Both commands and data are passed over the SPI interface.
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DRAFT 8-1-2019 Technical Brief the ARM voltage at a regulated 3.6 VDC. The test board was designed to operate over a single cell lithium battery voltage range in order to perform testing in RF chambers without the requirement of an AC to DC power supply and the associated conducted noise that can accompany them. The JTAG port is for programming the host microcontroller. This is done once during the production phase of the device.
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DRAFT 8-1-2019 PRODUCT NAME PRINT IN OPEN SANS BOLD 14 PT PRODUCT SERIAL NUMBER (MAC ID) PRINT IN OPEN SANS BOLD 10 PT SEE NOTE 5. DATA MATRIX 2D BARCODE SEE NOTE 4. CATALOG NUMBER CATALOG NUMBER REVISION DEVICE PARAMETERS DATE OF MANUFACTURE IC NUMBER FCC ID Technical Brief NOM DU PRODUIT IMPRIMÉ EN OPEN SANS GRAS 14 PT NUMÉRO DE SÉRIE DU PRODUIT (ID MAC) IMPRIMÉ EN OPEN SANS GRAS 10 PT VOIR LA NOTE 5. MATRICE DE DONNÉES SUR CODE À BARRES 2D VOIR LA NOTE 4.
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DRAFT 8-1-2019 RF Exposure RF Exposure Technical Brief Exposition aux RF Host products using the ARM could perform many different functions requiring different operational parameters. The host product will meet the FCC and ISED RF exposure limitations for uncontrolled areas at a distance >20 cm. This can be obtained with the adjustment of power output, transmission duty cycle, or both.