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Emergency Alert System Requirements Update Steven C. Johnson Johnson Telecom, LLC 704-968-7031.

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Presentation on theme: "Emergency Alert System Requirements Update Steven C. Johnson Johnson Telecom, LLC 704-968-7031."— Presentation transcript:

1 Emergency Alert System Requirements Update Steven C. Johnson Johnson Telecom, LLC

2 EAS Objective Provide Communications from the President in case of National Emergency Provide Communications from the President in case of National Emergency MandatoryMandatory Secondarily, Provide Communications for Local Emergencies Secondarily, Provide Communications for Local Emergencies Optional except where required by franchiseOptional except where required by franchise

3 What is Required Now? Purchase and install equipment Purchase and install equipment Be prepared to carry Presidential Alerts Be prepared to carry Presidential Alerts Forward Required Monthly Tests (within 15 minutes of reception) Forward Required Monthly Tests (within 15 minutes of reception) Forward or Create Required Weekly Tests Forward or Create Required Weekly Tests On All Downstream Video Programming – digital and analog On All Downstream Video Programming – digital and analog

4 Event Codes -- Mandatory Emergency Action Notification EANEmergency Action Notification EAN Required Monthly Test RMTRequired Monthly Test RMT Required Weekly Test RWTRequired Weekly Test RWT

5 Digital EAS v Analog EAS Analog – EAS channelized at Headend Analog – EAS channelized at Headend Digital – EAS message built in STB Digital – EAS message built in STB Vendor ProprietaryVendor Proprietary SCTE 18SCTE 18

6 SCTE 18 Cable Card products required to support SCTE 18 Cable Card products required to support SCTE 18 QAM tuners w/o Cable Card not required to support SCTE 18 QAM tuners w/o Cable Card not required to support SCTE 18 How Do We Support EAS on Clear QAM? How Do We Support EAS on Clear QAM? BroadcastBroadcast PEGPEG TiersTiers

7 Common Alerting Protocol Supports more detail than the EAS protocol Supports more detail than the EAS protocol 180 days after FEMA approves standard 180 days after FEMA approves standard Status with FEMA? Status with FEMA? Mandatory override for Governors messages (180 days after CAP standards approval) Mandatory override for Governors messages (180 days after CAP standards approval)

8 CAP Problems CAP to EAS converter CAP to EAS converter CAP Support CAP Support OriginationOrigination ReceptionReception

9 8VSB Passthrough Non-Override agreement Non-Override agreement

10 Future Considerations Home Networking Home Networking Support EAS to video displays Support EAS to video displays Cable Labs ongoing work Cable Labs ongoing work

11 Future Requirements FCC asked for more input on Multiple LanguageMultiple Language Local GovernmentLocal Government

12 Documentation Cable EAS Handbook with EAS equipment (Headend) Cable EAS Handbook with EAS equipment (Headend) FCC Part 11 and 76 – on File FCC Part 11 and 76 – on File Logging Logging State Plan State Plan

13 References FCC Part 11 FCC Part 11 FCC EAS Cable Handbook FCC EAS Cable Handbook FCC EAS Event Code list FCC EAS Event Code list FCC 2 nd R&O FCC 2 nd R&O SCTE 18 SCTE 18 Non-Override Agreement Non-Override Agreement GAO Report on EAS GAO Report on EAS RGB info RGB info SA DNCS reference SA DNCS reference

14 Emergency Alert System Requirements Update Steven C. Johnson Johnson Telecom, LLC

15 Background Material

16 EAS Protocol Packet Header repeated 3 times Packet Header repeated 3 times Attention Signal – 8 to 25 seconds Attention Signal – 8 to 25 seconds Audio message up to 2 minutes (unlimited time on EAN) Audio message up to 2 minutes (unlimited time on EAN) Packet End of Message (EOM) repeated 3 times Packet End of Message (EOM) repeated 3 times

17 Targeting Alerts -- FIPS Code Federal Information Processing Standard PSSCCC PSSCCC P = County Subdivision 0-9 P = County Subdivision = all, 1 = NW, 2 = N, 3 = NE, 4 = W, etc0 = all, 1 = NW, 2 = N, 3 = NE, 4 = W, etc SS = State designation SS = State designation CCC = County designation CCC = County designation

18 Targeting Alerts Targeted to hub through DNCS Targeted to hub through DNCS

19 Overrides All Downstream Video Programming All Downstream Video Programming Not Required on Not Required on Music ServicesMusic Services Graphics Generated in STBGraphics Generated in STB TelephoneTelephone Cable ModemCable Modem

20 EAS Protocol Required to be followed on all required alerts Required to be followed on all required alerts National Alerts and testsNational Alerts and tests EAN (Emergency Action Notification-- Presidential), EAN (Emergency Action Notification-- Presidential), RWT (Required Weekly Test), RWT (Required Weekly Test), RMT (Required Monthly Test) – within 60 minutes of receipt RMT (Required Monthly Test) – within 60 minutes of receipt Video and AudioVideo and Audio

21 EAS Header [PREAMBLE] [PREAMBLE] ZCZC ZCZC ORG ORG EEE EEE PSSCCC PSSCCC TTTT TTTT JJJHHMM JJJHHMM LLLLLLLL LLLLLLLL

22 Preamble sent to sent to clear the system, clear the system, set AGC and set AGC and set asynchronous decoder clocking cycles. set asynchronous decoder clocking cycles. The preamble must be transmitted before each header and End Of Message code. The preamble must be transmitted before each header and End Of Message code.

23 EAS Header [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL ZCZC = Identifier, sent as ASCII characters ZCZC to indicate the start of ASCII code ZCZC = Identifier, sent as ASCII characters ZCZC to indicate the start of ASCII code ORG = Originator of message ORG = Originator of message

24 ORG EAS ParticipantEAS EAS ParticipantEAS Civil authoritiesCIV Civil authoritiesCIV National Weather ServiceWXR National Weather ServiceWXR Primary Entry Point SystemPEP Primary Entry Point SystemPEP

25 EAS Header [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL EEE = Event Code EEE = Event Code PSSCCC = Location code -- Federal Information Processing Standard (FIPS) PSSCCC = Location code -- Federal Information Processing Standard (FIPS)

26 EAS Protocol [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL TTTT = Event Duration in 15 minute increments TTTT = Event Duration in 15 minute increments Not to be confused with override time of 2 minutes max, except for Presidential alertNot to be confused with override time of 2 minutes max, except for Presidential alert

27 EAS Protocol [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL [PREAMBLE]ZCZC-ORG-EEE- PSSCCC+TTTT-JJJHHMM-LLLLLLLL JJJHHMM JJJHHMM JJJ = day (0 to 365)JJJ = day (0 to 365) HHMM = time in UTCHHMM = time in UTC LLLLLLLL = ID Code of participant transmitting or retransmitting message LLLLLLLL = ID Code of participant transmitting or retransmitting message Cable System name or CUID (Community Unit ID)Cable System name or CUID (Community Unit ID)

28 EAS EOM [PREAMBLE]NNNN [PREAMBLE]NNNN NNNN = End of Message NNNN = End of Message

29 1394 Inconsistent implementation by CE Inconsistent implementation by CE Few TVs supporting Few TVs supporting Motorola – OK Motorola – OK SA – Does not support EAS graphics via 1394 port SA – Does not support EAS graphics via 1394 port Optional input selection Optional input selection Component connections required w/ input selector Component connections required w/ input selector

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31 Event Codes -- Optional Administrative Message ADRAvalanche Warning AVW Administrative Message ADRAvalanche Warning AVW Avalanche Watch AVABlizzard Warning BZW Avalanche Watch AVABlizzard Warning BZW Child Abduction Emergency CAECivil Danger Warning CDW Child Abduction Emergency CAECivil Danger Warning CDW Civil Emergency Message CEMCoastal Flood Warning CFW Civil Emergency Message CEMCoastal Flood Warning CFW Coastal Flood Watch CFADust Storm Warning DSW Coastal Flood Watch CFADust Storm Warning DSW Earthquake Warning EQWEvacuation Immediate EVI Earthquake Warning EQWEvacuation Immediate EVI Fire Warning FRWFlash Flood Warning FFW Fire Warning FRWFlash Flood Warning FFW Flash Flood Watch FFAFlash Flood Statement FFS Flash Flood Watch FFAFlash Flood Statement FFS Flood Warning FLWFlood Watch FLA Flood Warning FLWFlood Watch FLA Flood Statement FLSHaz Mat Warning HMW Flood Statement FLSHaz Mat Warning HMW High Wind Warning HWWHigh Wind Watch HWA High Wind Warning HWWHigh Wind Watch HWA Hurricane Warning HUWHurricane Watch HUA Hurricane Warning HUWHurricane Watch HUA Hurricane Statement HLS Hurricane Statement HLS

32 Event Codes -- Optional Law Enforcement Warning LEWLocal Area Emergency LAE Law Enforcement Warning LEWLocal Area Emergency LAE Network Message Notification NMN911 Tele Outage Emerg TOE Network Message Notification NMN911 Tele Outage Emerg TOE Nuclear Pwr Plant Warning NUWPractice/Demo Warning DMO Nuclear Pwr Plant Warning NUWPractice/Demo Warning DMO Radiological Hazard Warning RHWSevere T-storm Warning SVR Radiological Hazard Warning RHWSevere T-storm Warning SVR Severe Thunderstorm Watch SVASevere Weather Stmt SVS Severe Thunderstorm Watch SVASevere Weather Stmt SVS Shelter in Place Warning SPWSpecial Marine Warning SMW Shelter in Place Warning SPWSpecial Marine Warning SMW Special Weather Statement SPSTornado Warning TOR Special Weather Statement SPSTornado Warning TOR Tornado Watch TOATropical Storm Warning TRW Tornado Watch TOATropical Storm Warning TRW Tropical Storm Watch TRATsunami Warning TSW Tropical Storm Watch TRATsunami Warning TSW Tsunami Watch TSAVolcano Warning VOW Tsunami Watch TSAVolcano Warning VOW Winter Storm Warning WSWWinter Storm Watch WSA Winter Storm Warning WSWWinter Storm Watch WSA

33 Recommended CAE – Child Abduction Emergency (AMBER) CAE – Child Abduction Emergency (AMBER) Tornado Warning, where appropriate Tornado Warning, where appropriate Should participate in some voluntary alerts to avoid the risk of becoming mandatory Should participate in some voluntary alerts to avoid the risk of becoming mandatory

34 AMBER Difficult to do in an automated form Difficult to do in an automated form EAS Protocol does not support the details necessary EAS Protocol does not support the details necessary Description of suspectDescription of suspect Description of vehicleDescription of vehicle Description of victimDescription of victim Location last seenLocation last seen etcetc

35 Override Length 2 minute max except for Presidential alert 2 minute max except for Presidential alert Controlled by audio packet header and encoder/decoder Controlled by audio packet header and encoder/decoder Override ends when decoder hears EOM or 2 minutes has elapsed Override ends when decoder hears EOM or 2 minutes has elapsed

36 Override Time vs Event Duration Override Time Override Time 2 minute time out or at EOM2 minute time out or at EOM Except for Presidential Alert – EANExcept for Presidential Alert – EAN Event Duration Event Duration Length of time that event is a threatLength of time that event is a threat For example, a tornado warning from 8 PM to 10 PM – 2 hoursFor example, a tornado warning from 8 PM to 10 PM – 2 hours Override time does not = Event Duration Override time does not = Event Duration

37 Decision Tree for Decoder National Alert? -- override until completed My Area? – if No, then Stop Test? – override Programmed event code? -- override

38 Repetition of Alerts Not Required Not Required Optional repeat overrides may be done during the event Optional repeat overrides may be done during the event Get message to those just tuning inGet message to those just tuning in

39 Details Channel AKA Tune to Channel AKA Tune to Channel Optional, not required Optional, not required For More information, tune to channel XYZ For More information, tune to channel XYZ Tune to Channel may be the override method used (Force Tune) Tune to Channel may be the override method used (Force Tune)

40 Force Tune National Alert (EAN) National Alert (EAN) Motorola Motorola Cable Card (if audio required) Cable Card (if audio required) Franchise required alert (maybe) Franchise required alert (maybe)

41 Analog Override Techniques Baseband Switching Baseband Switching IF Switching IF Switching Crawl and optional Audio substitution Crawl and optional Audio substitution Comb Generator Comb Generator Edge Device such as RGB Edge Device such as RGB

42 Digital Override Techniques Force Tune Force Tune MotorolaMotorola PresidentialPresidential Out of Band Signaling Out of Band Signaling Scientific AtlantaScientific Atlanta Data sent to STB to create bannerData sent to STB to create banner Audio file optionally sent to STBAudio file optionally sent to STB

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44 CAP Tests in Wisconsin Summer 2006 to December 2007 Summer 2006 to December 2007 CAP Transport to Facility CAP Transport to Facility Emergency Communications web site Emergency Communications web site Creates CAP message Creates CAP message Delivered to appropriate locations via internet Delivered to appropriate locations via internet Translated to EAS protocol and delivered to viewers Translated to EAS protocol and delivered to viewers


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