HZB-S24-04

INSTALLATION AND MAINTENANCE MANUAL 1xE1, 2xE1 AND 4xE1 (2.048 Mbps) SPREAD SPRECTRUM RADIOS (2.4 AND 5.8 GHz) INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS NOVEMBER 1999 i Installation and Maintenance Manual Copyright © 1998 by Western Multiplex Corporation. All rights reserved. No part of this manual may be reproduced without prior written permission from Western Multiplex Corp. The information contained in this manual is subject to change without notice. Western Multiplex shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or equipment supplied with this manual. Western Multiplex makes no warranty of any kind with regard to this manual or any equipment supplied with this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Heliax is a registered product of Andrews Corporation. Fireberd is a registered product of Telecommunications Techniques Corporation. Printed in the United States of America Notice: Y2K (Year 2000 Issue) All software supplied by and for Western Multiplex products adheres to the four-(4) digit year nomenclature as required for Year 2000 compliance. Western Multiplex Corporation 1196 Borregas Avenue Sunnyvale, California USA Tel:+1 408 542-5200 Fax::+1 408 542-5300 Our facility has been Registered to the International Organization for Standardization ISO 9000 Series Standards for quality. Issue:November 1999 INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS NOVEMBER 1999 ii This page intentionally left blank INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS NOVEMBER 1999 iii Regulatory Notice 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 limits are designed to provide reasonable protection against harmful interference in a residential installation. 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: *Reorient or relocate the receiving antenna. *Increase the separation between the equipment and receiver. *Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. *Consult the dealer or an experienced radio/TV technician for help. Shielded cables and I/O cords must be used for this equipment to comply with the relevant FCC regulations. Changes or modifications not expressly approved in writing by Western Multiplex may void the user's authority to operate this equipment. This device complies with RSS-210 and/or RSS-139 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. This device must be professionally installed. INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS NOVEMBER 1999 iv This page intentionally left blank INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS NOVEMBER 1999 vW/CS97-1 GENERAL TERMS 1.1 All Definitions contained in Western Multiplex's Conditions of Sale (Western Multiplex document number CS96-8), apply to the Warranty. 1.2 Subject to the provisions of the Warranty, Western Multiplex warrants that the equipment described in Paragraph 1.3 shall conform to their specifications described in Paragraph 1.4 in all material respects and that the equipment shall be free from material defects in materials and workmanship. 1.3 This Warranty applies to all original purchases of Western Multiplex manufactured equipment and accessories (collectively the "Equipment"). 1.4 This Warranty applies to the specifications contained in the most recent version of the manual for the model of the Equipment purchased (the "Specifications"). 1.5 This Warranty does not apply to the following items of Equipment which are covered by the Original Equipment Manufacturer's warranty: (a) antenna systems, including coax cable, waveguide, connectors flex-sections, mounts, other parts of the antenna system and installation materials; (b) non-Western Multiplex manufactured rack mounted equipment that is assembled wired and tested at Western Multiplex's factory or supplied as part of a system, including orderwire items, channel banks, multiplexers, fuse/alarm panels, remote alarm items; and (c) equipment which is not listed in Western Multiplex's price book. 1.6 The effective period of this Warranty shall start on the date of shipment of the Equipment and shall end: (a) for all spread spectrum unlicensed radio products and for all licensed digital microwave radio products, two (2) years later; (b) for all analog microwave radio products, three (3) years later; or (c) for all baseband products, five (5) years later (in each case the "Warranty Period"). 1.7 The Customer acknowledges that Western Multiplex does not represent or warrant that the services provided by Western Multiplex under this Warranty will ensure uninterrupted or error- free operation of the Equipment. RETURN OF EQUIPMENT UNDER WARRANTY 2.1If an item of Equipment malfunctions or fails in normal intended usage and maintenance within the applicable Warranty Period: (a) the Customer shall promptly notify Western Multiplex of the problem and the serial number of the defective item; (b) Western Multiplex shall, at its sole opt…

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Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 February 18, 2000 Attention: Reviewing Engineer RE: Pro duct Installat io n a nd Mai nte na nce Ma nua l U pdate for H ZB-S24-04 After the application for HZB-S24-04 was submitted to FCC, we updated our product manual to comply with FCC requirements raised while a previous application was in review. Since our LYNX.sc Installation and Maintenance manual covers the whole spread spectrum LYNX.sc product line, these changes applies to the product manual submitted for this application as well. Please find in the attached an updated page of page 3-22 for section 3.10. Please use this page to replace the same page of the submitted manual. Yours tr ul y, Caroline Yu Inter natio nal Product Ma na ger Western Multiplex Corporation 1196 Borregas Ave., Sunnyvale, CA 94089-1302, USA Tel: +1 (408) 542-5200,Fax: +1 (408) 542-5300

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 May 4, 2000 RE:Response to FCC Requests Correspondence Reference Numbers: 12812 FCC IDs: HZB-S24-04 Form 731 Confirmation Numbers: EA96697 Attn:Joe Dichoso Dear Mr. Dichoso: This is in response to your request 12812 regarding the application of HZB-S24-04 product. 1, 4 Please see attachment 1, which I will upload separately, for our previous responses to the Commission’s request for processing gain. Please also find the test report of the process gain document as attached at the end of this letter. The processing gain compliance is demonstrated using the method as described in part 15.247 (e) (2). All measurements are above 10dB; therefore, there was no requirement to delete worst case 20% data points. It is difficult to determine the theoretical processing gain when multiple coding technologies are implemented in combination with spreading, all of which contribute to the improvement to the received signal to noise ratio. We believe the processing gain definition given by many textbooks where spread spectrum technology is discussed alone is over simplified for our technology and can not accurately describe the improvement to the received signal to noise ratio of our system. As we have expressed in our previous letters to the Commission, and have been accepted numerous times by the Commission in our previous applications, we believe the demonstration of the specification by means of Commission-approved test procedures should acknowledge the compliance of any device. We are interested in research on the theoretical processing gain in a complex system where spread spectrum technology is implemented in combination with other technologies, and are willing to discuss and research with the Commission on this issue in the future independent of the equipment approval. 2 Please find herewith a list of antennas as examples of the type and models of antennas can be used with the HZB-S24-04 product. Since there are so many antenna vendors in the market, it is impossible to provide a full list of all antennas that could possibly be used with our product. That is why we recommend in our manual by antenna sizes and gains, rather than model names. Antenna Type and SizeRange of Mid Band Gain for Antennas by Various Vendors (dBi) 2’ parabolic20.6-21.6 4’ parabolic26.6-27.6 6’ parabolic30.1-31.1 8’ parabolic31.8-33.6 Please refer to page 3-38 and 3-39 as attached for information we provide in our manual in regards to antenna gains, cable losses, and maximum output power. This information is provided so that the EIRP limit for the 2.4GHz band is met. 1196 Borregas Ave., Sunnyvale, CA 94089-1302, USA Tel: +1 (408) 542-5200,Fax: +1 (408) 542-5300 3 Please find in Page 1-1 of the manual language indicating that the radio is exclusively for fixed point-to-point operation. A copy of the manual page is attached to this letter. I hope I have addressed questions in your request. Please contact the undersigned should there be any further questions. Yours Caroline Yu International Product Manager Western Multiplex Corporation 1/6/2000 Processing Gain Test for HZB-S24-04 (Model 31360) Test Setup: The processing gain was measured using the CW jamming margin method as described in 15.247(e)(2). The specific test diagram is illustrated below. All test equipment and the EUT were allowed to warm up for four hours prior to start of test to minimize drift over time. All test equipment had valid calibration. Calibration of carrier and interferer levels was performed several times during testing with no observed changes. The measurements were performed on the frequency channel centered at 2419.0 MHz, over a range of ±4.0 MHz. The measurements made across the center ± 3.0 MHz should be used for calculation of Gp since that bandwidth represents the receiver passband. For the carrier signal, a level approximately 40 dB above threshold was chosen so that thermal noise would not effect the processing gain measurements. The measured threshold of the receive radio was ~-94 dBm at BER = 1 x 10 -6 , the signal level of the transmit radio was –52.85 dBm measured at the input of the receive radio, (Ps). For the jammer signal, -35 dBm at the generator (Pg) corresponds to – 53.85 dBm (Pj) at the receiver input. It is these numbers that were used for calculating C/I and Gp. Test Equipment: Signal GeneratorHewlett Packard 83731A Power MeterHP437B/8484A BER Test SetFireberd 6000 Explanation of Results: The following notations are used on the spreadsheet data: Pg: Power at Generator in dBm (as indicated by generator display). Pj: Power of interferer at the receiver input.(calculated in spreadsheet) Ps: Power of carrier at receiver input (initial calibration). J/S: Jammer to Signal ratio, Pj-Ps (dB) (calculated in spreadsheet) Gp: Processing Gain: (S/N)o + J/S + Lsys where: Lsys = 2 dB (S/N)o = 13.5 dB for QPSK and BER = 10 -6 (see curve provided) therefore:Gp = 13.5 + 2 + J/S = 15.5 + J/S (calculated in spreadsheet) 100% of measurements meet the minimum processing gain of 10 dB. Processing Gain Test Equipment Setup Tx 65.25 dB Signal Generator Pg Power Meter HP 83731A HP 437B/8484A Set for Rx signal level above threshold 8 dB Rx 6.25 dB FireBERd 6000 Ps, Pj Pwr Cmb. (-4.6dB) 1 Plot of Processing Gain vs Frequency (Carrier at 2.419 GHz) 2E1 Rate. (January 6, 2000) Model: 31360 Radio. Gp (dB) 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 241524162417241824192420242124222423 Freq MHz Processing Gain meas #f MHzGp dBmPj dBmPg dBmPs dBmJ/S dB 2 1241533.8-34.55-15.7-52.8518.3 22415.0532-36.35-17.5-52.8516.5 32415.132.1-36.25-17.4-52.8516.6 42415.1532-36.35-17.5-52.8516.5 52415.230.2-38.15-19.3-52.8514.7 62415.2530.2-38.15-19.3-52.8514.7 72415.330.3-38.05-19.2-52.8514.8 82415.3528.1-40.25-21.4-52.8512.6 92415.427.6-40.75-21.9-52.8512.1 102415.4527.5-40.85-22-52.8512 112415.525.4-42.95-24.1-52.859.9 122415.5525-43.35-24.5-52.859.5 132415.62…

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Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 July 6, 2000 RE:Response to FCC Requests Correspondence Reference Numbers: 14067 FCC IDs: HZB-S24-04 Form 731 Confirmation Numbers: EA96697 Attn:Joe Dichoso Dear Mr. Dichoso: This is in response to your request 14067 regarding the application of HZB-S24-04 product. 1. Please find in the following table detailed information of some antennas we recommend as examples. Since there are numerous antenna manufacturers and product models in the market, this is only a partial list. Antenna TypeManufacturerModel NumberMid-band Gain (dBi) 2 foot ParabolicGabriel ElectronicsSSP2-2320.7 3 foot ParabolicGabriel ElectronicsSSG3-23A23.9 4 foot ParabolicAndrewFP4-23D26.5 4 foot ParabolicGabriel ElectronicsSSG4-23A26.7 6 foot ParabolicAndrewFP6-23D30.4 6 foot ParabolicGabriel ElectronicsSSG6-23A30.1 8 foot ParabolicAndrewFP8-23D32.7 8 foot ParabolicGabriel ElectronicsSSG8-2332.6 2. Please find the attached manual page for a more specific description of the point-to-point applications. I hope I have addressed your concerns. Please contact the undersigned should there be any further questions. Yours truly Caroline Yu International Product Manager Western Multiplex Corporation 1196 Borregas Ave., Sunnyvale, CA 94089-1302, USA Tel: +1 (408) 542-5200,Fax: +1 (408) 542-5300 INSTALLATION AND MAINTENANCE MANUAL LYNX.sc E1 FAMILY SPREAD SPECTRUM RADIOS SEPTEMBER 1999 SECTION 1: HOW TO USE THIS MANUALPAGE 1-1 1How to Use This Manual 1.1Manual Organization The Installation and Maintenance Manual provides information required to install and maintain the LYNX.sc and to use its many features to the fullest advantage. This manual is divided into the following sections: Section 1Provides instructions on how to most effectively utilize the information in this manual. Section 2Provides a brief description and specifications of the LYNX.sc. Section 3Explains the LYNX.sc installation and adjustments in detail. Section 4Provides maintenance, repair and troubleshooting information for the LYNX.sc Spread Spectrum radios. AppendicesCharts and diagrams are provided for radio connections and DIP switch settings along with other general information. This device must be professionally installed. Instructions on setting the transmitter RF output power are contained in Section 3 of this Manual. This device is to be used exclusively for fixed point-to-point operation that employs directional antennas. Fixed point-to-point operations exclude the use of point-to-multi- point antennas, omni-directional antennas and multiple co-located transmitters transmitting the same information.

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attention: Reviewing Engineer The HZB-S24-04 (MODEL 31360) radio is a full duty-cycle product exclusively designed for fixed-mount point-to-point applications (Please refer to Page 1-1 of the Installation and Maintenance Manual ). Each radio’s inputs are connected to external equipment through the radio’s interfaces. The RF output port is connected to a RF cable or a waveguide, which connects on the other side to an antenna usually installed on top of a building or a tower. It is impossible to use the radio in any mobile application. The HZB-S24-04 (MODEL 31360) radios need to be professionally installed outdoor either on top of a tower or a tall building. The installation sites are inaccessible to the general public. Only installation engineers may get close to the radio antenna during system installation. For the safety concern of the professional installers, we put a warning message on Page 3-22 of the product manual recommending installers stay at least 5 meters away from the antenna during system operation. The maximum output power allowed for the 2.4GHz spread spectrum radios is 1W, and the biggest antenna to be used with our 2.4GHz radios is of 8’ diameter (33.5dB gain). The worst case EIRP is when the highest gain antenna is used: Maximum EIRP = 30 + 33.5 – (33.5-6)/3 = 54.3dBm (269W); The power density at 5 meters from an antenna is: S = EIRP/4 π R 2 = 0.9 W/m 2 = 0.09 mW/cm 2 < 1 mW/cm 2 Where: S = Power density R = distance to the center of radiation of the antenna In the cases of using 4’, 6’ and 8’ parabolic antennas, the near field power density is S nf = 16 η P/ π D 2 . The worst case of near-field power density is when the radio output at 1W, η =1, and the antenna diameter D=4ft. S nf ma x = 16 x1/ π (4x0.3048) 2 = = 3.4 W/m 2 = 0.34 mW/cm 2 <1 mW/cm 2 Where: S nf = maximum near –field power density P = power fed to the antenna η = aperture efficiency D = antenna diameter So in all the above-mentioned situations, the power density is compliant with the limit for General Population/ Uncontrolled Exposure as specified in rule 1.1310. If you should have any questions regarding this submission, please feel free to contact the undersigned. Yours tr ul y, Caroline Yu Inter natio nal Product Ma na ger Western Multiplex Corporation 1196 Borregas Ave., Sunnyvale, CA 94089-1302, USA Tel: +1 (408) 542-5200,Fax: +1 (408) 542-5300

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 May 10, 2000 RE:Response to FCC Requests Correspondence Reference Numbers: 12836 FCC IDs: HZB-S24-04 Form 731 Confirmation Numbers: EA96697 Attn:Joe Dichoso Dear Mr. Dichoso: This is in response to your request 12836 regarding the application of HZB-S24-04 product. Please find herewith a list of antennas as examples of the type and models of antennas can be used with the HZB- S24-04 product. Since there are so many antenna vendors in the market, it is impossible to provide a full list of all antennas that could possibly be used with our product. That is why we recommend in our manual by antenna sizes and gains, rather than model names. Antenna Type and SizeRange of Mid Band Gain for Antennas by Various Vendors (dBi) 2’ parabolic20.6-21.6 4’ parabolic26.6-27.6 6’ parabolic30.1-31.1 8’ parabolic31.8-33.6 I hope I have addressed your question. Please contact the undersigned should there be any further questions. Yours Caroline Yu International Product Manager Western Multiplex Corporation 1196 Borregas Ave., Sunnyvale, CA 94089-1302, USA Tel: +1 (408) 542-5200,Fax: +1 (408) 542-5300

Test Setup Photos