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CFS8DL6128RF-2Security Accessory

Ademco Inc.
Security Accessory - FCC ID CFS8DL6128RF-2 - Ademco Inc.
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Application Details

Equipment Class
DSR - Part 15 Remote Control/Security Device Transceiver
Date of Grant
Oct 06, 2002
Application Purpose
Original Equipment
Date of Application
Aug 29, 2002
Equipment Note
Security Accessory
Frequency Range
345.00000000 - 345.00000000
Company
Ademco Inc.
Country
United States

Documents & Files

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Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Schematics

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

Greg Barbato ADEMCO 160 Eileen Way Syosset, NY 11791 (516) 921-6704 X6920 Oct.,04,2002 To whom it may concern: RE: EA855069 (CFS8DL6128RF-2) Application Form 731 & uploaded files. Sir's, As per my conversation with Mr. Tanerheal, please delete the references to "Power Level" and "Type Modulation - 100KK1" from Our CFS8DL6128RF-2 ( Your EA855069 ) Form 731. Also please supercede our EXHIBIT 5-3, dated: Friday Aug. 30th, at: 15:14:22 EDT 2002 with the file named: "EXHIBIT 5-3A.pdf" That has been uploaded at this time (Oct.,4,2002). Thank You in advance for your consideration on this matter. Best Regards, Greg Barbato for Ken Addy

Operational Description

EXHIBIT 2-1 CFS8DL6128RF-2 FUNCTIONAL DESCRIPTION The CFS8DL6128RF-2 is identical in operation to the CFS8DL6128RF. The need to re-layout the board was precipitated by the fact that the previous receiver chip is now obsolete. In Receive, RF inters the DIVERSITY ANTENNAS ( ANT1 & ANT2 ) the diversity antennas are selected by ANTENNA SELECTOR DIODES ( CR4 & CR5 ) FILTER ( FL1 ) performs a band-pass function and the TX/ RX SWITCH ( SW2 ) selects either the transmitter or the receiver. LNA ( U14 ) improves the receivers sensitivity. RECEIVER CHIP ( U5 ) performs all basic receiver functions including a PLL L.O. who's FDE is CRYSTAL ( YL3 ). I.F. Band-passing is performed by FILTER ( FL2 ) base-band signal processing (raw data) is done by U1 & U4 etc., The transmitter is a PLL chip ( U15 ) etc., who's FDE is YL4. The output power level is attained by PA ( U6 ) etc., All of these functions are controlled by MICROPROCESSOR ( U2 ). The second microprocessor ( U9 ) handles all other functions such as communicating with the keypad and LCD display.

Operational Description

EXHIBIT 3-1 CFS8DL6128RF-2 DUTY CYCLE CALCULATION - TRANSMITTER MESSAGE TIMING The data output is phase-encoded Manchester that has inherent 50% duty cycle and consists of 64 bits per word The 6128RF-2 is not supervised, and only sends user initiated messages. The 6128RF-2 uses the microprocessor U2 to generate the message. Each user initiated message, is just like the 5827BD (FCC ID: CFS8DL5828BD) and has a nominal data rate of 3.7 kb/s (3.2kb/s min to 4.2kb/s max). Therefore the duty cycle is calculation is as follows: The word format consists of 64 bits, The duration of each bit is 312.5 uSec max. The duty cycle over a 100 mSec measuring period is calculated as follows: Duty cycle = Actual RF transmission ON time / 100 mSec Actual transmission ON time = 64 bits X 50% X 312.5 uSec = 10 mSec Therefore duty cycle = 10 / 100 mSec = .10 = 10%, and peak to average field strength is 20 db.

Test Report

EXHIBIT 5-1 CFS8DL6128RF-2 Report of Measurements. Measurements were made at Ademco 's Measurement Facility at 160 Eileen Way , Syosset , NY 11791 , FCC Registration number : 90421. Measurements were made in accordance with the procedures and reporting requirements of ANSI C63.4-1992. The Test Set-Up (C63.4 section 10.1.3) is shown in the attached drawing. The sequence of testing (C63.4 section 10.1.7) for radiated emissions is as follows: A preliminary scan was conducted with the receiver antenna close to the EUT in order to identify the emission characteristics of the EUT (C63.4 section 8.3.1.1). The antenna and EUT were then placed at the proper separation with the EUT positioned on a non-conducting turntable. The EUT was rotated on the turntable to maximize the received signal strength, then the receiver antenna height was varied to further maximize the received reading. Thereafter, the device was again rotated to a peak output position and the antenna height was re-adjusted for maximum received signal. This procedure was re-iterated until there was no further increase in signal level. This procedure was performed with the EUT rotating in three orthogonal planes (C63.4 section 13.1.4.1) to generate a final maximum reading which is recorded on the radiated emissions result sheet. Similar measurements were made on the receiver to ensure compliance as an unintentional radiator. See Exhibit 6 for list of test equipment (C63.4 section 10.1.4). Note, Spectrum Analyzer resolution bandwidths set as follows; (Video Bandwidth set greater than RBW) - For occupied bandwidth measurements, RBW = 100kHz, (This is in accordance with the minimum RBW allowed by C63.4, which requires RBW greater than 5% of the FCC required occupied bandwidth spec of 0.25% of center frequency). - For radiated emissions below 1 GHz, the RBW = 100kHz. Detector function set to peak. - For radiated emissions above 1 GHz, the RBW = 1MHz. Detector function set to peak. OCCUPIED BANDWIDTH is shown on attached plot. RADIATED EMISSIONS are recorded on attached sheet.

Test Report

EXHIBIT 6 CFS8DL6128RF-2 Test Equipment list 1. Antenna: RGA-60 S/N: 3127 Cal. on: 11/01/01 Cal. due: 11/01/02 2. Antenna: Log Periodic S/N:447 Cal. on: 11/01/01 Cal. due: 11/01/02 3. Spectrum Analyzer H. P. 8563E S/N:3246A00232 Cal. on: 03/01/02 Cal. due: 03/01/03

Test Report

Frequency (MHz) Antenna Polarity ( V-H ) Meter Reading (dB uV) Cable/Amp Factor ( dB ) Antenna Factor (dB/M) Converted Reading ( uV/M ) Duty Cycle ( % ) Corrected Reading ( uV/M ) Limit @ 3 Meter ( uV/M ) 30 729 345H79.75 1.17 1670145107014.5 7,291 690H39.5 1.83 21.11322.810132.28 729 1035H36.67 2.33 25.21621.810162.18 500 1380H34.3 3.0 28.82041.710204.17 500 1725H29.7 3.5 31.21659.510165.95 729 10/02/02 John Fitzgerald KEN ADDY DATE:_________ _____________ TESTED BY:______________________ APPROVED BY:________________________ 6128RF-2 TEST SAMPLE (model): _______________________________________ TEST METHOD: ANSI C63.4-1992 TEST SPECIFICATION: FCC PART 15, SUBPART C. NOTES: 1) Fo= 345 MHZ 2) DETECTOR = PEAK. 3) FREQUENCY RANGE SCANNED TO 4 GHz. (METER READING +CABLE /AMP FACTOR +ANTENNA FACTOR) 20 4) CONVERTED READING = 10 5) CORRECTED READING = CONVERTED READING X DUTY CYCLE 6) SIX HIGHEST EMISSIONS RECORDED. ALARM DEVICE MANUFACTURING COMPANY 165 EILEEN WAY CFS8DL6128RF-2 SYOSSET, NY 11791 FCC ID#____________________

Contact Information

Applicant

Christian Fouth(Sr. Wireless Certification Engineer)
[email protected]15406566372Fax: 17639544816

Technical Contact

Alarm Device Manufacturing CompanyKen L Addy
[email protected]516-921-6704

A Division of Pittway Corporation · Syosset, New York · United States

Non-Technical Contact

Alarm Device Manufacturing CompanyKen L Addy
[email protected]516-921-6704

Test Firm

AdemcoKenneth Addy
[email protected]516-921-6704Fax: 516-921-4545

Technical Specifications

#Rule PartsFrequency RangePower Output
115C345 MHz - 345 MHz-

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