Linear DXS-80 Manual Download Page 1

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SECTION 1

LINEAR LLC

FCC ID: EF4 SST00116

Class 2 Permissive Change

FCC ID: EF4 SST00116

DXS-80 Carbon Monoxide Alarm Transmitter

Submitted by: Linear LLC

1950 Camino Vide Roble, Suite 150

Carlsbad, California 92008

760-438-7138

760-438-7043 (FAX)

Summary of Contents for DXS-80

Page 1: ...C FCC ID EF4 SST00116 Class 2 Permissive Change FCC ID EF4 SST00116 DXS 80 Carbon Monoxide Alarm Transmitter Submitted by Linear LLC 1950 Camino Vide Roble Suite 150 Carlsbad California 92008 760 438 7138 760 438 7043 FAX ...

Page 2: ...larm Transmitter SECTION DESCRIPTION 1 Table of Contents 2 Label Facsimile Statement of Attestation Summary of Measurements 3 Equipment Description Block Diagram 4 Schematic 5 Component Assemblies 6 Equipment List EMC Test Procedures 7 Report of Measurements Package 8 Product Photographs 9 User Instructions ...

Page 3: ...sends a supervisory signal and battery report This equipment has been tested in accordance with the requirements contained in the appropriate Commission regulations To the best of my knowledge these tests were performed using measurement procedures consistent with industry or commission standards and demonstrate that the equipment complies with the appropriate standards Each unit manufactured impo...

Page 4: ...ted herein identified as LABEL FACSIMILE The additional information which is normally required to be included with the FCC Identification Number in accord with Part 15 of the Commission s Rules shall be located herein as a portion of the draft manual attached hereto Accordingly in accord with Section 2 925 e of the Commission s Rules and past Commission decisions Linear hereby requests authority t...

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Page 7: ...olerance N A Nominal 0 125 MHz Frequency Stability N A Nominal 0 125 MHz Transmitter Spurious at 3 meters 192 uV Mtr 10 dB below limit Worst Harmonic Frequency 945 MHz Momentary Operation Yes No No Holdover time after manual release N A Duration of alarm transmission after activation 1 0 second transmission every 20 seconds only when the CO detector is in an alarm condition Attestation The radio a...

Page 8: ...ication and Test Results Summary of Results per See Section 2 of this Report 5 0 General Technical Requirements 5 1 Testing Methods Peak Signal pulse modulated A1D signal 5 1 Reference Standard C63 4 2004 FCC Procedure 5 2 Modulation Pulse Positon A1D AM Modulation 5 3 Type of Antenna Integral to transmitter PCB tuned loop 5 4 External Controls Push Button Manual Test Activation Button No user ser...

Page 9: ...d Field Strength N A 6 2 Non Momentary Operated Devices N A 6 2 1 Frequency Bands Refer to Section 7 6 3 Restricted Bands Complies 6 5 Pulsed Operation Complies 20 dB Peak Average See Section 7 6 6 Wireline Conducted Emissions N A 7 0 Receivers N A 8 0 Self Certification N A 9 0 AC Wireline Conducted Emissions N A 10 0 Terminated Measurement Method N A 11 0 Radiated Measurement Method See Section ...

Page 10: ...a typical life of 6 years from the date of manufacture The CO sensing element has a carbon filter that provides resistance to false alarms caused by cross interference gasses but the filter can be saturated and so the product should not be installed in locations where high concentrations of these gasses are present Cross interference gasses include but are not limited to Methane Butane Heptane Eth...

Page 11: ...rate the UL2034 UL2075 temporal tone 2 7 MECHANICAL The detector base design allows for access to the battery without removing the housing The housing provides an opening for the visual LED indicators and to depress the test switch 2 8 MOUNTING The sensor attaches directly to a mounting base The mounting base provides mounting slots for single gang 3 1 2 and 4 1 2 octagon back boxes if applicable ...

Page 12: ... seconds and the sounder will chirp once every 45 seconds and Status A will be set low and Status B will be set high Cell trouble is non latching Cell supervision will preempt a low battery condition and will be preempted by an alarm condition 3 6 CO ALARM When the detector enters a CO alarm both output pins 1 and 3 will be set low The piezo is operated at 3 3kHz with the temporal 4 sound pattern ...

Page 13: ...is indicated by output pin 1 being set high and pin 3 set Low The green LED will turn off and the red LED will blink every 45 seconds If the detector goes into alarm the LED blink will match the alarm condition Once the low battery condition is present for 7 days the piezo will begin to chirp The piezo will chirp every 45 seconds for an additional 30 days after which the piezo LED s output pins 1 ...

Page 14: ...1 hours 4 5 TEST TRANSMISSION LEARNING TRANSMITTER INTO A RECEIVER 1 Place the receiver into the learn mode See receiver instruction manual for learning mode details 2 Press the test button in the smoke detector and release it after the alarm beeps A test signal Alarm bit not set will be transmitted a few seconds after the button is released To test an alarm signal Alarm bit set hold the test butt...

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Page 24: ...RUMENTATION H P HP8656B RF Generator 100 KHz 990 MHz S N A4229590 Calibrated 4 07 Due 4 08 Solar Electronics Line Impedance Stabilization Network Type 8012 50 R 24 BNC Calibrated 4 07 S N 8379585 Due 4 08 HP 8447D Broadband preamplifier 0 1 1300 MHz S N 2443A03660 Calibrated 4 07 Due 4 08 Mini Circuits ZFL 2000 broadband preamplifier 10 3000 MHz S N Lin 001 Calibrated 4 07 Due 4 08 ACCESSORIES 2 A...

Page 25: ...ents at 1 meter an antenna height equal to the device under test generally yields the greatest field strength Usually horizontal polarization yields the greatest field strength for both 1 and 3 meter measurements For Equipment Under Test EUT The equipment to be tested is supported by a wooden turntable at a height of eighty centimeters A two axis swivel at the top of the turntable permits the unit...

Page 26: ...ength reading dBm 107 dB dBuV using 0 dBuV 1 uV meter at a specified distance as reference All of the equipment was calibrated to NBS traceable factory specifications prior to the date of measurement IV MEASUREMENT PROCEDURE Transmitters 1 Set the DIP switch rockers of the transmitter if needed to all ON jam the button in the ON position and place the transmitter on the test stand 2 Tune the anten...

Page 27: ...echnical standards are as follows 15 201 15 207 15 231 Subpart C Intentional Radiators Test Procedure C63 4 2004 Section 13 Measurement of Intentional Radiators was used for the testing of this device In accord with Section 2 948 of the Commission s Rules a Test Site submittal is on file with the Commission and a Letter of Acceptance dated March 17 2006 Registration Number 90767 is a portion of th...

Page 28: ...he pendancy of the alarm When the test push button is pressed due to battery constraints and an accidental continuous activation causing interference to the system the maximum length transmission for a single press of the test pushbutton is one second If the push button is quickly pressed and released the transmitter will cease transmitting after one second FCC Rules 15 231 a 1 allows no longer th...

Page 29: ... SST00116 Transmitter Duty Cycle Calculations and Time Domain Information DXS Data Format 17 BITS DATA WORD 3 BLANK FRAMES BETWEEN WORDS DATA WORD 20 X 5000 USEC 100 MILLISECONDS FOR NOMINAL DATA WORD FRAME TWO DATA WORDS SHOWN ABOVE ...

Page 30: ...SECTION 7 LINEAR LLC FCC ID EF4 SST00116 INDIVIDUAL DATA PULSES QUATERNARY ENCODED DATA FORMAT 500 MICRO SECONDS FOR EACH DATA PULSE TIME DURATION FOR EACH PULSE IS FIXED 3 DATA PULSES SHOWN ABOVE ...

Page 31: ...ncoded pulses in the form of a pulse keyed carrier The data stream consists of preamble and encoded data string REAL TIME ANALYSIS Description Total Time On Time Total Transmission 17 x 500 uSec 8 5 E 3 Sec on time In compliance with FCC Rules 15 35 c the following duty cycle factor is used for all field strength calculations A 100 mSec full word time window is selected with the worst case program...

Page 32: ...REQUENCY 315 MHz INPUT ATTENUATION 10 dB SCAN WIDTH 2 0 KHz Div PREAMPLIFIER GAIN 0 dB SCAN TIME 0 7 Sec Div LOG REF LEVEL 10 dBm RF BANDWIDTH 0 3 KHz ANTENNA 6 Whip Ant at Analyzer Input TUNED TO N A ANTENNA DISTANCE 0 25 Meters ANTENNA HEIGHT N A SYSTEM NOISE FLOOR N A NOTES Per 15 231 c Occupied Bandwidth 20 dB down is less than 8 KHz This is less than 0 010 of the center frequency FCC Rules 15...

Page 33: ...Modulation SAW tuned frequency SPECTRUM ANALYZER CONTROL SETTINGS CENTER FREQUENCY 315 MHz INPUT ATTENUATION 10 dB SCAN WIDTH 10 MHz Div PREAMPLIFIER GAIN 0 dB SCAN TIME 1 0 Sec Div LOG REF LEVEL 20 dBm RF BANDWIDTH 10 KHz ANTENNA 6 Whip Antenna on Analyzer Input TUNED TO N A ANTENNA DISTANCE 0 25 Meters ANTENNA HEIGHT N A SYSTEM NOISE FLOOR N A No emissions occur outside of the of the rated cente...

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Page 36: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 FRONT VIEW DXS 80 CARBON MONOXIDE ALARM ...

Page 37: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 FCC and Canada Regulatory Information in this Area REAR VIEW DXS 80 CARBON MONOXIDE ALARM FCC IC LABEL PLACED APPROX AS SHOWN ...

Page 38: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 INTERNAL PCB LAYOUT WITH RF TRANSMITTER PCB TRANSMITTER PCB ...

Page 39: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 RF TRANSMITTER PCB FRONT AND BACK VIEWS ...

Page 40: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 TEST SETUP VERTICAL ORIENTATION ...

Page 41: ...SECTION 8 LINEAR LLC FCC ID EF4 SST00116 TEST SETUP HORIZONTAL ORIENTATION ...

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