SK9C3A-1LELECTRICITY METER TRANSMITTER

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L Manual CENTRON® Polyphase Meter Technical Reference Guide Effective Date: January 2006 DRAFT ii CENTRON® Polyphase Meter Technical Reference Guide Proprietary Rights Notice This manual contains the trade secrets and confidential information of Itron, Inc., which are not to be divulged to third parties and may not be reproduced or transmitted in whole or part, in any form or by any means, electronic or mechanical for any purpose, without the express written permission of Itron, Inc. All rights to designs or inventions disclosed herein, including the right to manufacture, are reserved to Itron, Inc. The information contained in this document is subject to change without notice. Itron, Inc. reserves the right to change the product specifications at any time without incurring any obligations. Trademarks Used in This Manual CENTRON is a registered trademark of Itron, Inc. Windows is a trademark of Microsoft Corporation. CENTRON® Polyphase Meter Technical Reference Guide Stock Number: 100xxxGM-01 Itron, Inc. Corporate Headquarters 2818 North Sullivan Road Spokane, WA 99216 U.S.A. Tel: (509) 924-9900 Fax: (509) 891-3355 Itron, Inc. Oconee Electricity Metering 313-B North Highway 11 West Union, SC 29696 U.S.A. Tel: (864) 638-8300 Fax: (864) 638-4950 www.itron.com Copyright © 2005-2006 Itron, Inc. All rights reserved. CENTRON® Polyphase Meter Technical Reference Guide iii Compliance With FCC Regulations FCC Part 15, Class B This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These rules are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential/commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ƒ Re-orient or relocate the receiving antenna. ƒ Increase the separation between the equipment and the receiver. ƒ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ƒ Consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of the FCC rules. 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. FCC Part 15, Subpart C When equipped with a radio transmitter option, this equipment has been tested and found to comply with the limits for an intentional radiator, pursuant to Part 15, Subpart C of the FCC Rules. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, it may cause interference to radio communications. The limits are designed to provide reasonable protection against such interference in a residential situation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception. which can be determined by turning the equipment on and off, the user is encouraged to try to correct the interference by one of more of the following measures: ƒ Reorient or relocate the receiving antenna of the affected radio or television. ƒ Increase the separation between the equipment and the affected receiver. ƒ Connect the equipment and the affected receiver to power outlets on separate circuits. ƒ Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by Itron, Inc. could void the user’s authority to operate the equipment. iv CENTRON® Polyphase Meter Technical Reference Guide RF Exposure Information This equipment complies with the FCC RF radiation requirements for uncontrolled environments. To maintain compliance with these requirements, the antenna and any radiating elements should be installed to ensure that a minimum separation distance of 20 cm is maintained from the general population. Canadian Interference Causing Equipment Regulations This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations. 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. Cet appareillage numérique de la classe B répond à toutes les exigences de l'interférence Canadienne causant des règlements d'équipement. L'opération est sujette aux deux conditions suivantes: (1) ce dispositif peut ne pas causer l'interférence nocive, et (2) ce dispositif doit accepter n'importe quelle interférence reçue, y compris l'interférence qui peut causer l'opération peu désirée. Factory Repair of Meters Itron recommends that all repairs be performed at the factory. Certain repairs may be performed by the user; however, unauthorized repairs will void any existing warranty. All surface mounted parts must be replaced by the factory. Repair of Meters Under Warranty If the meter is under warranty, then Itron, Inc. wil…

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313 North Highway 11, West Union, S.C. 29696 USA Voice: 864-638-4761 Fax: 864-638-4900 CONFIDENTIALITY REQUEST Federal Communications Commission Date: Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: Itron, Inc. respectfully requests confidentiality of certain materials provided with the submission of the Centron IMAGE under FCC ID: SK9C3A-1L in accordance with FCC Regulations 0.459. The confidentiality request applies to the Schematic diagrams, Parts Lists, System Block Diagrams, and Theory of Operations contained in this filing. The Centron IMAGE has been developed at considerable effort and expense by Itron, Inc. These items are considered as Trade Secrets and therefore public access to the proprietary material could possible result in duplication of equipment that could severely damage the company's business advantage. I appreciate your assistance in this matter. Sincerely, Name: Lee Littlejohn Signature: Title: Compliance Engineer Date: 01/23/2006 313 North Highway 11, West Union, S.C. 29696 USA Voice: 864-638-4761 Fax: 864-638-4900

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L External Photographs Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: External – Front View - Monophase Metrology Base Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: External – Side View - Monophase Metrology Base Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: External – Bottom View - Monophase Metrology Base Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: External – Front View - Polyphase Metrology Base Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 5: External – Side View - Polyphase Metrology Base Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 6: External – Bottom View – Polyphase Metrology Base

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L Label Information Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Sample Labels: Figure 1: Label Samples – ID Numbers Figure 2: Label Samples – FCC Compliance Statement Figure 3: Label Samples – IC Compliance Statement 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. This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Label Placement: Figure 3: Label Placement – ID Numbers Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Label Placement – FCC Compliance Statement Figure 5: Label Placement – IC Compliance Statement

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L Internal Photographs Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Internal – Front View - Monophase Register Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Internal – Bottom View - Monophase Register Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Internal – Front View - Polyphase Register Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Internal – Bottom View – Polyphase Register

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L RF Exposure Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 General Information: Applicant: Itron Electricity Metering Inc. ACS Project: 06-0013 FCC ID: SK9C3A-1L Device Category: Mobile Environment: General Population/Uncontrolled Exposure Technical Information: Antenna Type: PCB Slot Antenna Gain: 3.5dBi Transmitter Conducted Power: 13.25dBm Maximum System EIRP: 16.75dBm Operating Configuration: Mobile (Module) Exposure Conditions: Greater than 20 centimeters MPE Calculation The Power Density (mW/cm 2 ) is calculated as follows: S = 2 4R PG π Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 909.613.250.6121.133.52.239200.009 Power De nsity (mW/cm^2) Distance (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Antenna Gain (dBi) Antenna Gain (mW eq.) Installation Guidelines The installation manual contains the following text advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: “RF Exposure (Intentional Radiators Only) In accordance with FCC requirements of human exposure to radiofrequency fields, the radiating element shall be installed such that a minimum separation distance of 20cm is maintained from the general population.” Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L Test Begin Date: October 11 2005 Test End Date: January 20, 2006 Report Issue Date: February 27, 2006 FOR THE SCOPE OF ACCREDITATION UNDER LAB Code 200612 Prepared by: Reviewed by: Ken Rivers Engineering Technician ACS, Inc. Kirby Munroe Manager Wireless Certifications ACS, Inc. This test report shall not be reproduced except in full. This report may be reproduced in part with prior written consent of ACS, Inc. The results contained in this report are representative of the sample(s) submitted for evaluation. This report contains 29 pages 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Table of Contents 1.0 General 3 1.1 Purpose 3 1.2 Product Description 3 1.2.1 General 3 1.2.2 Manufacturer 3 2.0 Test Facilities 3 2.1 Location 3 2.2 Laboratory Accreditations/Recognitions/Certifications 3 2.3 Radiated Emissions Test Site Description 4 2.3.1 Semi-Anechoic Chamber Test Site 4 2.3.2 Open Area Tests Site (OATS) 5 2.4 Conducted Emissions Test Site Description 6 3.0 Applicable Standards and References 6 4.0 List of Test Equipment 7 5.0 Support Equipment 8 6.0 EUT Setup Block Diagram 8 7.0 Summary of Tests 9 7.1 Section 15.203 - Antenna Requirement 9 7.2 Section 15.207 - Power Line Conducted Emissions 9 7.2.1 Test Methodology 9 7.2.2 Test Results 9 7.3 Section 15.109 - Radiated Emissions (Unintentional Radiation) 17 7.3.1 Test Methodology 17 7.3.2 Test Results 17 7.4 Section 15.247(b) – Peak Output Power 18 7.4.1 Test Methodology 18 7.4.2 Test Results 18 7.5 Section 15.247(a) – Channel Usage 19 7.5.1 Section 15.247(a) (1) - Carrier Frequency Separation 20 7.5.1.1 Test Methodology 20 7.5.1.2 Test Results 20 7.5.2 Section 15.247(a) (1) – Number of Hopping Channels 20 7.5.3 Section 15.247(a) (1) – Channel Dwell Time 21 7.5.4 Section 15.247(a) (1) (iii) – 20dB Bandwidth 22 7.5.4.1 Test Methodology 22 7.5.4.2 Test Results 22 7.6 Section 15.247(c) – Band-edge Compliance and Spurious Emissions 24 7.6.1 Band-edge Compliance of RF Conducted Emissions 24 7.6.1.1 Test Methodology 24 7.6.1.2 Test Results 24 7.6.2 RF Conducted Spurious Emissions 25 7.6.2.1 Test Methodology 25 7.6.2.2 Test Results 25 7.6.3 Radiated Spurious Emissions (Restricted Bands) 27 7.6.3.1 Test Methodology 27 7.6.3.2 Duty Cycle Correction 28 7.6.3.3 Test Results 28 7.6.3.4 Sample Calculations 8.0 CONCLUSION 29 Additional Exhibits Included In Filing Internal Photographs External Photographs Test Setup Photographs Product Labeling RF Exposure – MPE Calculations Installation/Users Guide Theory of Operation BOM (Parts List) System Block Diagram Schematics Model: C3A1L FCC ID: SK9C3A-1L ACS Report: 06-0013-15C Advanced Compliance Solutions Page 3 1.0 GENERAL 1.1 Purpose The purpose of this report is to demonstrate compliance with Part 15, Subpart C of the FCC’s Code of Federal Regulations. 1.2 Product Description 1.2.1 General The CENTRON® IMAGE is an electricity meter that is capable of being deploying in both C&I and residential services. This is possible due to the IMAGE personality register being capable of supporting both polyphase and monophase metrology bases. The meter supports advance metering functions such as Demand, Time Of Use, Load Profile, KY and KYZ Outputs, SiteScan, Option Boards, and RF. Time Of Use, Load Profile, and RF features require the use of a soldered in battery. The meter is configurable with PC Pro+ Advanced software with device types that are distinguished and separately service polyphase and monophase CENTRON® IMAGE meters. There are two versions of the IMAGE personality registers available (high power and low power). Some documents and information provided is generic and general in nature and may reference both versions of the IMAGE but the purpose of this report and the data contained within is in reference to the low power version only. The high power version will be addressed in a separate test report and filing under a separate FCC ID. 1.2.2 Manufacturer Itron Electricity Metering, Inc. West Union, South Carolina 29696 313 North Highway 11 2.0 TEST FACILITIES 2.1 Location The radiated and conducted emissions test sites are located at the following address: Advanced Compliance Solutions 5015 B.U. Bowman Drive Buford, GA 30518 Phone: (770) 831-8048 Fax: (770) 831-8598 2.2 Laboratory Accreditations/Recognitions/Certifications The Semi-Anechoic Chamber Test Site, Open Area Test Site (OATS) and Conducted Emissions Site have been fully described, submitted to, and accepted by the FCC, Industry Canada and the Japanese Voluntary Control Council for Interference by information technology equipment. In addition, ACS is compliant to ISO 17025 as certified by the National Institute of Standards and Technology under their National Voluntary Laboratory Accreditation Program. The following certification numbers have been issued in recognition of these accreditations and certifications: FCC Registration Number: 89450 Industry Canada Lab Code: IC 4175 VCCI Member Number: 1831 ƒ VCCI OATS Registration Number R-1526 ƒ VCCI Conducted Emissions Site Registration Number: C-1608 NVLAP Lab Code: 200612 Model: C3A1L FCC ID: SK9C3A-1L ACS Report: 06-0013-15C Advanced Compliance Solutions Page 4 2.3 Radiated Emissions Test Site Description 2.3.1 Semi-Anechoic Chamber Test Site The Semi-Anechoic Chamber Test Site consists of a 20’ x 30’ x 18’ shielded enclosure. The chamber is lined with Toyo Ferrite Grid Absorber, model number FFG-1000. The ferrite tile grid is 101 x 101 x 19mm thick and weighs approximately 550 grams. These tiles are mounted on steel panels and installed directly on the inner walls of the chamber. The turntable is 150cm in diameter and is located 16…

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5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 FCC Part 15.247 Transmitter Certification Frequency Hopping Spread Spectrum Transmitter Test Report FCC ID: SK9C3A-1L FCC Rule Part: 15.247 ACS Report Number: 06-0013-15C Manufacturer: Itron Electricity Metering Inc. Trade name: CENTRON® IMAGE Model: C3A1L Test Setup Photographs Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Test Setup – Radiated Emissions - Monophase Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Test Setup – Radiated Emissions - Polyphase Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Test Setup – Conducted Emissions - Monophase Model: C3A1L Advanced Compliance Solutions FCC ID: SK9C3A-1L 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Test Setup – Conducted Emissions - Polyphase