OQ7OS2400Spread Spectrum Transmitter MODULE

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1 Table of Contents Product Overview 3 Summary of Function and Use.....................................................................4 FCC Rules 5 FCC Compliance Statement.........................................................................6 FCC COMPLIANCE STATEMENT...............................................................6 Gain / User Proximity to Antenna.................................................................7 Max Antenna Gain / Output Power...............................................................8 Point-Multipoint network:..............................................................................8 Point-Point network:.....................................................................................8 Getting Started 9 Setup Overview..........................................................................................10 The Setup / Diagnostic Software................................................................11 Hardware Installation.................................................................................12 Cable Specifications............................................................................13 Radio Power Requirements.................................................................14 The Serial Port.....................................................................................15 Viewing the Serial Port Settings.....................................................16 Setting the Serial Port....................................................................17 Serial Port Factory Defaults Illustrated...........................................18 Network Design 20 Radio Network Basics................................................................................21 Radio Network Defined........................................................................22 Channels.............................................................................................23 Network Types.....................................................................................24 Point-to-Point.................................................................................25 Point-Multipoint..............................................................................26 Antenna Types...........................................................................................27 Antenna Types Illustrated....................................................................28 Manufacturer Approved Antennas........................................................29 Installation Planning...................................................................................30 Site Selection.......................................................................................31 Antenna Selection................................................................................32 Graphically Layout the Network..................................................................33 New Network Named...........................................................................34 Graphical Layout Screen......................................................................35 Adding Radios for Point Multipoint.......................................................36 Move Radios........................................................................................37 Rename Radios...................................................................................38 Delete a Radio.....................................................................................39 Save the Network's Definition...............................................................40 Configuring the Radios...............................................................................41 Physical Installation and Network Verification 42 Modifying an Existing Network 43 Upgrade Software - Download Code..........................................................44 Troubleshooting 45 Radios do not communicate.......................................................................46 2 Reference Information 47 Shortcut Keys............................................................................................48 Serial Port Basics.......................................................................................49 Help on Windows Help 50 3 Product Overview 4 Summary of Function and Use The OS2400s are radios which have been designed to provide a wireless connection between any two devices which could otherwise be physically cabled together. Spread spectrum: These radios transmit using a technique known as "spread spectrum, frequency hopping communications". Using the spread spectrum technique a narrow band signal is spread over a broader portion of the radio frequency band. Frequency hopping: A radio which rapidly changes its operating frequency several times per second using following a pre-determined sequence of frequencies is described as “frequency hopping”. The receiving and transmitting radios are programmed to follow the same frequency hopping sequence. The OverAir design takes advantage of these characteristics which are inherent to the spread spectrum technique: increased immunity to noise. Radios are designed to detect specific radio frequencies. "Noise" is defined as an unwanted signal which has been transmitted at the same frequency as the radio was designed to detect. There are many man-made and natural sources of "noise". The OS2400 operates more efficiently than a radio that operates using conventional technology. more users can share the same frequency at the same time. Cell phone use is dependent upon spread spectrum transmission. Under FCC rules, users of FCC certified spread spectrum products do not require their own license from the FCC. The manufacturers of the products are required to apply for and be granted an FCC license for the device. OverAir has been granted a license by the FCC for the use of its OS2400 radios. 5 FCC Rules 6 FCC Compliance Statement FCC RULES The statements con…

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OS2400 Radio Module Exhibit 21: User Manual 3 FCC ID: OQ7OS2400 1 Table of Contents Product Overview 3 Summary of Function and Use.....................................................................3 FCC Rules 4 FCC Compliance Statement.........................................................................4 Approved Antennas......................................................................................5 Max Antenna Gain / Output Power...............................................................6 Getting Started 7 Setup Overview............................................................................................7 The Setup / Diagnostic Software..................................................................8 Functional Conventions................................................................................9 Hardware Installation.................................................................................10 Cable Specifications............................................................................10 Radio Power Requirements.................................................................10 The Serial Port.....................................................................................11 Viewing the Serial Port Settings.....................................................11 Setting the Serial Port....................................................................11 Serial Port Factory Defaults Illustrated...........................................12 Network Design 14 Radio Network Basics................................................................................14 Radio Network Defined........................................................................14 Network_Channels..............................................................................15 Network Types.....................................................................................15 Point-To-Point...............................................................................15 Point-Multipoint..............................................................................16 Installation Planning...................................................................................18 Site Selection.......................................................................................18 Antenna Selection................................................................................19 Whip Antennas..............................................................................19 Antenna Types Illustrated..............................................................21 Configuring the Network.............................................................................22 Define Network Name, Type, Channel.................................................22 Graphical Layout Screen......................................................................22 Adding Radios for Point Multipoint.......................................................23 Move Radios........................................................................................24 Rename Radios...................................................................................25 Graphically Define the RF Link.............................................................26 Delete a Radio.....................................................................................27 Save the Network’s Definition..............................................................28 Configuring the Radios...............................................................................29 Configure the Radios...........................................................................29 Save the Radio’s Configuration............................................................30 Physical Installation and Network Verification 31 Test the Installation Plan............................................................................31 Sources of Interference..............................................................................32 Modifying an Existing Network....................................................................33 Viewing (and Changing) a Radio’s Settings................................................34 Change a Network’s Channel.....................................................................35 Upgrade Software - Download Code..........................................................36 OS2400 Radio Module Exhibit 21: User Manual 3 FCC ID: OQ7OS2400 2 Miscellaneous Options 37 Select Radio Color.....................................................................................37 Radio’s Address-an explanation.................................................................38 Print the Network’s Configuration...............................................................39 Printer Settings..........................................................................................39 Zoom View of Graphical Layout..................................................................40 Automatic Arranging of Network Icons........................................................43 Diagnostics - Troubleshooting 44 System Diagnostics, an Overview..............................................................44 “Viewing” a Network’s Function..................................................................44 Broken Links in Point-to-Point....................................................................45 Broken Links in Point-Multipoint Network....................................................46 Query a Radio Directly...............................................................................47 Query a Radio Remotely............................................................................49 Radios do not communicate.......................................................................50 Automatic Serial Port Check.......................................................................51 Can’t Configure a Radio...................................…

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1 47 CFR Part 15 Certification Report OS2400 Radio Module (Locus, Inc.) FCC ID: OQ7OS2400 Report Number: 991018-FCC Test Start Date: October 18, 1999 Test Engineer: Monty Simmons Testing Laboratory Signature Approvals ___________________________________________________________________________________________________ Report Prepared By: Monty Simmons, Certification SpecialistDate ___________________________________________________________________________________________________ Report Approved By: Pryor McGinnis, PresidentDate The test results presented in this report relate only to the items tested as identified within the body of this report. This report does not constitute any endorsement of the product by the US Government or NIST. This report may be reproduced in full only. Partial reproduction may only be done with the written consent of Compliance Test Laboratories, Inc. NVLAP LAB CODE 200237- 0 OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 2 Exhibit 1 : Cover Letters Section 1.00 :Cover Letter October 18, 1999 Federal Communication Commission Equipment Approval Services 7435 Oakland Mills Road Columbia, Maryland 21046 (301) 362-1585 Fax : (301) 344 2050 Subject: Form 731 Confirmation Number: EA95743; FCC ID: OQ7OS2400 To whom it may concern: Transmitted herewith, on behalf of Locus, Inc., is an application on FCC Form 731 for Certification of a Part 15 Subpart C (47 CFR §15.247) radio module. This application was transmitted to the FCC via the Internet remittance process. The Form 731 Confirmation Number is EA95743. A Form 159, along with one check in the amount of $1,120.00 covering the applicable certification fee ($940), a request for confidentially fee ($135), and Grantee ID Code request fee ($45), has also been submitted. In accordance with Section 2.1033 (b)(9), please be advised that this application is being submitted pursuant to the Commission's new Part 15, as adopted in Gen. Docket No. 87-389. Should you require any further information concerning this application, please contact me anytime via any of the following methods: •Phone: (864) 843 – 5158 or 0303 •Fax: (864) 843 – 1812 •Email: [email protected] Best Regards, William Monty Simmons, Esq. Certification Specialist Compliance Test Laboratories, Inc. OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 3 Section 1.01 : Confidentiality Request (a) Locus - General Description OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 4 (b) CTL - Confidentiality Request Specific Description October 18, 1999 Federal Communication Commission Equipment Approval Services P.O. Box 358315 Pittsburg, PA 15251-5312 (301) 362 - 1585 Fax : (301) 344 - 2050 Subject: Specific Request for Confidentiality; FCC ID: OQ7OS2400 To whom it may concern: Listed below is a list of Exhibits for which the request for confidentiality is applicable in regards to the product described in the certification report for FCC ID: OQ7OS2400. •Exhibit 4 : Functional Block Diagram •Exhibit 5 : Schematics •Exhibit 11 : Internal Photographs Should you require any further information concerning the request for confidentiality, please contact me anytime via the following: •Phone : (864) 843 – 5158 or 0303 •Fax: (864) 843 – 1812 •Email : [email protected] Best Regards, William Monty Simmons, Esq. Certification Specialist Compliance Test Laboratories, Inc. OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 5 Section 1.02 :Agent Authorization / Anti-Drug Abuse

47 CFR Part 15 Certification Report OS2400 Radio Module (Locus, Inc.) FCC ID: OQ7OS2400 Report Number : 991018-FCC Test Start Date : October 18, 1999 Test Engineer : Monty Simmons Testing Laboratory Signature Approvals October 26, 1999 ___________________________________________________________________________________________________ Report Prepared By : William Monty Simmons, Certification Specialist Date October 26, 1999 ___________________________________________________________________________________________________ Report Approved By : Pryor McGinnis, President Date The test results presented in this report relate only to the items tested as identified within the body of this report. This report does not constitute any endorsement of the product by the US Government or NIST. This report may be reproduced in full only. Partial reproduction may only be done with the written consent of Compliance Test Laboratories, Inc. NVLAP LAB CODE 200237- 0 OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 2 Exhibit 1 : Cover Letters Section 1.00 : Cover Letter October 18, 1999 Federal Communication Commission Equipment Approval Services 7435 Oakland Mills Road Columbia, Maryland 21046 (301) 362-1585 Fax : (301) 344 2050 Subject: Form 731 Confirmation Number: EA95743; FCC ID: OQ7OS2400 To whom it may concern: Transmitted herewith, on behalf of Locus, Inc., is an application on FCC Form 731 for Certification of a Part 15 Subpart C (47 CFR §15.247) radio module. This application was transmitted to the FCC via the Internet remittance process. The Form 731 Confirmation Number is EA95743. A Form 159, along with one check in the amount of $1,120.00 covering the applicable certification fee ($940), a request for confidentially fee ($135), and Grantee ID Code request fee ($45), has also been submitted. In accordance with Section 2.1033 (b)(9), please be advised that this application is being submitted pursuant to the Commission's new Part 15, as adopted in Gen. Docket No. 87-389. Should you require any further information concerning this application, please contact me anytime via any of the following methods: • Phone : (864) 843 – 5158 or 0303 • Fax : (864) 843 – 1812 • Email : [email protected] Best Regards, William Monty Simmons, Esq. Certification Specialist Compliance Test Laboratories, Inc. OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 3 Section 1.01 : Confidentiality Request (a) Locus - General Description OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 4 (b) CTL - Confidentiality Request Specific Description October 18, 1999 Federal Communication Commission Equipment Approval Services P.O. Box 358315 Pittsburg, PA 15251-5312 (301) 362 - 1585 Fax : (301) 344 - 2050 Subject: Specific Request for Confidentiality; FCC ID: OQ7OS2400 To whom it may concern: Listed below is a list of Exhibits for which the request for confidentiality is applicable in regards to the product described in the certification report for FCC ID: OQ7OS2400. • Exhibit 4 : Functional Block Diagram • Exhibit 5 : Schematics • Exhibit 11 : Internal Photographs Should you require any further information concerning the request for confidentiality, please contact me anytime via the following: • Phone : (864) 843 – 5158 or 0303 • Fax : (864) 843 – 1812 • Email : [email protected] Best Regards, William Monty Simmons, Esq. Certification Specialist Compliance Test Laboratories, Inc. OS2400 Radio Module Exhibit 1: Miscellaneous FCC ID: OQ7OS2400 Page 5 Section 1.02 : Agent Authorization / Anti-Drug Abuse

OS2400 Radio Module Exhibit 19: Exhibit Road Map FCC ID: OQ7OS2400 Date : January 19, 2000 To : Errol Chang FCC Application Processing Branch [email protected] Subject : Exhibit Explanations and Exhibit Road Map FCC Identification Number : OQ7OS2400 731 Confirmation Number : EA95743 Dear Mr. Chang, Since the filing of the original exhibits for the OS2400 DSS module, the manufacturer has discontinued production of some of the critical electrical components used by the module. Consequently, these critical electrical components are no longer available making it necessary to find replacement components. This required some modifications to the original module design. Mr. Fabina indicated that, since the grant for the original module design had not been granted, we could just add exhibits to the original application and get both designs approved simultaneously. To that end, Exhibits 13 through Exhibits 19 have been added to the list of exhibits originally uploaded. Presented below is a list of module changes. Changes To OS24000 DSS Module • The main change to the radio is the transmit modulator U16 on the schematic. The old Motorola MRFIC0001 IC is being obsoleted, so we replaced it with a new one, an Analog Devices AD6122. • The only change to the operating frequencies is that the VCO in transmit mode operates at exactly twice the old frequency and the new device divides it by two resulting in the same IF frequency. • Since the IC is different, the control circuitry around it changed some, such as the bypass caps, gain control scaling, and output matching. • Of course the layout is changed around this IC. The front end RF layout is the same. • Two values in the amplifier chain were changed for a better match and a resistor was added to increase the stability margin, C15, L6 and R47. • There are only two changes to the radio embedded software: the VCO transmit frequency is set to double the IF frequency since it is divided by 2 by the new IC; and the modulator power down control line is inverted for the new modulator IC. OS2400 Radio Module Exhibit 19: Exhibit Road Map FCC ID: OQ7OS2400 • All the communication format, number of channels, channel frequencies, hop order, hop times, data rates, modulation type, etc. are identical. • 10 resistor values were scaled on the digital schematic to change the IQ drive level to the value required by the new IC- no other changes to the digital schematic. Should you have any questions, please contact me at your convenience. Thank you in advance for your time and Best Regards, Monty Simmons, Esq. (864) 843-5158 [email protected]

OS2400 Radio Module Exhibit 3: External Photographs FCC ID: OQ7OS2400 Page 7 EXHIBIT 3.0 : External Photographs Table of Contacts EXHIBIT 3 :EXTERNAL PHOTOGRAPHS.................................................................8 SECTION 3.00 :EUT EXTERNAL PHOTOGRAPHS.....................................................................8 (a)Module – View I........................................................................................................8 (b)Module – Bottom View..............................................................................................8 (c)Module – Side View...................................................................................................9 (d)Module – View of RF Port 1 and RF Port 2..............................................................9 (e)RF Module – Top View............................................................................................10 (f)Module – Side View I..................................................................................................11 (g)Module – Side View II.............................................................................................11 (h)RF Module – Side View...........................................................................................12 (i)Whip I: NCC (N24ARSMA1) Antenna.........................................................................13 (j)Whip II: NCC (N24HGASM1 B) Antenna...................................................................14 (k)Mobile Mark (OD9-2400) Antenna.........................................................................15 (l)YAGI (Astron P-2415) Antenna...................................................................................16 (m)Patch (Maxrad MP24013FSM – A)........................................................................17 (n)Special Cables and Adapters...................................................................................18 (o)Trilithic High Pass Filter........................................................................................19 OS2400 Radio Module Exhibit 3: External Photographs FCC ID: OQ7OS2400 Page 8 Exhibit 3 : External Photographs Section 3.00 : EUT External Photographs (a) Module – View I (b) Module – Bottom View OS2400 Rad…

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