CB2RSCMTCHL3Universal Garage Door Opener/HomeLink

Re: Certification of JCI Transmitter Model: RSCMTC FCC ID: CB2RSCMTCHL3 CANADA: to be provided USER'S MANUAL (PRELIMINARY) The Vehicle User's Manual is in preparation. The following material will be contained in the manual: 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: Changes or modifications not expressively approved by the party responsible for compliance could void the user's authority to operate the equipment.

Re: Certification of JCI Transmitter Model: RSCMTC FCC ID: CB2RSCMTCHL3 CANADA: to be provided POWER OF ATTORNEY A letter granting Valdis V. Liepa the Power of Attorney is on file and can be provided when so requested. Re: Certification of JCI Transmitter Model: RSCMTC FCC ID: CB2RSCMTCHL3 CANADA: to be provided REQUEST FOR CONFIDENTIALITY Pursuant to 47 CRF 0.459, Johnson Controls, Inc. requests that a part of the subject application be held confidential. This comprises Exhibits (5) Schematics and (10) Parts List/Tune-up Information JCI has spent years in developing this product and it is one of the major product lines for the company. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will definitely result in a financial hardship. If there are any questions regarding this request, please contact me at the above address or call 647-647-1792, (lab) 734-483-4211, fax 647-647-2106 or e-mail [email protected]. Sincerely, Valdis V. Liepa Research Scientist University of Michigan Re: Certification of JCI Transmitter Model: RSCMTC FCC ID: CB2RSCMTCHL3 CANADA: to be provided PRODUCT INFORMATION The product for which the certification is pursued has been designed by: Johnson Controls, Inc. Automotive Systems Group 915 E. 32nd Street Holland, MI 49423 Contact: Mark Jacob Project Engineer Tel: (616) 394-8517 Fax: (616) 394-6100 The product will be manufactured by: Jabil Circuits, Inc. 1700 Atlantic Blvd. Auburn Hills, MI 48326 Tel: (248) 391-5300 Fax: (248) 391-5317 Contact: Carl Shearer Tel: (616) 394-6465 Fax: (616) 394-8499 Electronics Manufacturing Engineer The product will be marketed and serviced by: Automobile Dealers and Johnson Controls, Inc.

Re: Certification of JCI Transmitter Model: RSCMTC FCC ID: CB2RSCMTCHL3 CANADA: to be provided BLOCK DIAGRAM Since all the circuitry of the DUT is shown on the submitted schematics, a block diagram is not included in this application.

RS Compass Mini Trip Computer  Module Description of Operation The RS module consists of two basic sections: the Compass Mini Trip Computer (CMTC) section, and the Homelink section. The CMTC section provides data to the user via a segmented Vacuum Fluorescent Display (VFD). There are seven switches on board, four of which allow the user to change CMTC modes of operation, and three others, which allow the user to select Homelink operation. The CMTC microprocessor then powers up the Homelink section, and communicates to the Homelink microprocessor which channel has been selected. The Homelink transmitter is a radio frequency transceiver device whose primary function is to determine both frequency and bit code format of typical garage door remote control devices and identically re-transmit them to the original garage door opener receiver. The on-board microcontroller maintains the operational frequency band as 288Mhz to 418Mhz excluding forbidden bands of 240MHz to 285MHz, 322MHz to 335.4MHz and 399.9MHz to 410 MHz. The “training” operation is performed by scanning the legal frequencies with a single conversion superheterodyne receiver, looking for valid garage door opener bit code formats. In addition to being frequency and data format adaptive the Homelink transmitter is also RF amplitude adaptive. During the training sequence, the duty factor of the incoming bit code format is evaluated by the microcontroller determining the greatest amount of on- time in a 100 mS window. The duty factor is then used to mathematically adjust the output power in a range of 80% (1.9dB) to an upper limit of 30% (10.5dB) duty cycle. A 9 bit attenuator is adjusted by a closed loop power control algorithm in the microcontroller. After the training sequence the frequency bit code format and attenuator setting is stored in Non Volatile Memory (NVM) and retrieved on subsequent power ups. The VCO is set on the desired RF carrier frequency stored in NVM. The antenna is fine-tuned by sweeping twice around the expected tuning point. The voltage-controlled oscillator (VCO) is then modulated with the appropriate bit code information from the NVM. GENERAL This system provides the vehicle owner with compass, temperature, trip computer information, and integrated Homelink. The Homelink portion of the circuit is separate from the compass section, except that the compass microprocessor controls the power to the Homelink section, and serially communicates to the Homelink microprocessor which switch has been pressed. All the following information refers to the Homelink part of the system. Operational Description This system gives the vehicle owner the ability to use a garage door opener (GDO) that is integral to the interior trim of the vehicle. The Homelink shall be capable of learning and remembering variables required to emulate three different GDO transmitters. In the learn mode of operation, the user selects one of three channels. The Homelink determines the frequency, data and, where applicable, the Rolling Code manufacturer of the original GDO transmitter (OT). The frequency and data stream or rolling algorithm parameters (created within the OT's Rolling Code guidelines) are then stored in non-volatile memory (NVM) for use in the transmit mode of operation. Once contained in memory, the Homelink shall activate the given receiver by repeating, at the proper frequency, either a fixed data stream or a hopping data stream created with the OT's Rolling Code algorithm. Homelink Transmit Mode of Operation If a selected channel has been previously trained, the HomeLink shall operate in transmit mode. To operate the Homelink in the transmit mode, the user shall activate one of three transmit buttons. The Compass microprocessor shall determine which button has been activated and send the information serially to the Homelink microprocessor, which shall generate appropriate data at the proper frequency. The VFD indicator shall be ON continually during transmit mode. The VFD indicator shall rapidly blink (4Hz ± 10%) for 2 ± 10% seconds followed by continuous illumination during Rolling Code PWM transmissions. The HomeLink will continue in the transmit mode for twenty (20 ± 10%) seconds before proceeding to the learning mode of operation. Homelink Default Mode of Operation If a selected channel has never been previously trained nor previously erased, the Homelink shall operate in default mode. To operate the Homelink in the default mode, the user shall activate one of three transmit buttons. The HomeLink shall determine which button has been activated, and using a pre-determined identification code and frequency (see Appendix B for details) shall transmit such data with the VFD indicator continually on. The HomeLink will continue in the default mode for twenty (20 ± 10%) seconds before proceeding to the learning mode of operation. Homelink Rolling Code Default Mode of Operation The user places the Homelink in rolling code default mode by simultaneously holding down buttons one, two, and three for 30 ± 10% seconds. If buttons one, two and three are released while the VFD is rapidly blinking (< 10 seconds), all three channels will be cleared of data. When one of these channels is subsequently activated, the device shall immediately enter the learn mode of operation. To operate the Homelink unit in the rolling code default mode, the user shall activate one of the three transmit buttons. The Homelink unit shall determine which button has been activated and using a pre-determined code-hopping algorithm, bit period and frequency (see Appendix B for details) shall transmit such data with the VFD indicator rapidly blinking (4Hz ± 10%) for 2 ± 10% seconds followed by continuous illumination. Homelink Learn Mode of Operation The Homelink system can learn up to three (3) separate garage door opener (GDO) systems. To train a GDO transmitter to the Homelink system, the user shall complete the following steps: * select one of three channe…

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