emergency alert system requirements update steven c. johnson johnson telecom, llc ...

Emergency Alert System Emergency Alert System RequirementsRequirements

UpdateUpdate

Steven C. JohnsonSteven C. JohnsonJohnson Telecom, LLCJohnson Telecom, LLC

www.JohnsonTelecom.comwww.JohnsonTelecom.comSteve@[email protected]

704-968-7031704-968-7031

EAS ObjectiveEAS Objective

Provide Communications from the Provide Communications from the President in case of National President in case of National EmergencyEmergency• MandatoryMandatory

Secondarily, Provide Communications Secondarily, Provide Communications for Local Emergenciesfor Local Emergencies• Optional except where required by Optional except where required by

franchisefranchise

What is Required Now?What is Required Now?

Purchase and install equipment Purchase and install equipment Be prepared to carry Presidential Be prepared to carry Presidential

AlertsAlerts Forward Required Monthly Tests Forward Required Monthly Tests

(within 15 minutes of reception)(within 15 minutes of reception) Forward or Create Required Weekly Forward or Create Required Weekly

TestsTests On All Downstream Video On All Downstream Video

Programming – digital and analogProgramming – digital and analog

Event Codes -- MandatoryEvent Codes -- Mandatory

• Emergency Action Notification EANEmergency Action Notification EAN• Required Monthly Test RMTRequired Monthly Test RMT• Required Weekly Test RWTRequired Weekly Test RWT

Digital EAS v Analog EASDigital EAS v Analog EAS

Analog – EAS channelized at Analog – EAS channelized at HeadendHeadend

Digital – EAS message built in STBDigital – EAS message built in STB• Vendor Proprietary Vendor Proprietary • SCTE 18SCTE 18

SCTE 18SCTE 18

Cable Card products required to Cable Card products required to support SCTE 18support SCTE 18

QAM tuners w/o Cable Card not QAM tuners w/o Cable Card not required to support SCTE 18required to support SCTE 18

How Do We Support EAS on Clear How Do We Support EAS on Clear QAM?QAM?• BroadcastBroadcast• PEGPEG• TiersTiers

Common Alerting ProtocolCommon Alerting Protocol

Supports more detail than the EAS Supports more detail than the EAS protocolprotocol

180 days after FEMA approves 180 days after FEMA approves standardstandard

Status with FEMA?Status with FEMA? Mandatory override for Governor’s Mandatory override for Governor’s

messages (180 days after CAP messages (180 days after CAP standards approval)standards approval)

CAP ProblemsCAP Problems

CAP to EAS converterCAP to EAS converter CAP SupportCAP Support

• OriginationOrigination• ReceptionReception

8VSB Passthrough8VSB Passthrough

Non-Override agreementNon-Override agreement

Future ConsiderationsFuture Considerations

Home Networking Home Networking Support EAS to video displaysSupport EAS to video displays Cable Labs ongoing workCable Labs ongoing work

Future RequirementsFuture Requirements

FCC asked for more input onFCC asked for more input on• Multiple LanguageMultiple Language• Local GovernmentLocal Government

DocumentationDocumentation

Cable EAS Handbook with EAS Cable EAS Handbook with EAS equipment (Headend)equipment (Headend)

FCC Part 11 and 76 – on FileFCC Part 11 and 76 – on File LoggingLogging State PlanState Plan

References References State PlanState Plan FCC Part 11FCC Part 11 FCC EAS Cable HandbookFCC EAS Cable Handbook FCC EAS Event Code listFCC EAS Event Code list FCC 2FCC 2ndnd R&O R&O SCTE 18SCTE 18 Non-Override AgreementNon-Override Agreement GAO Report on EASGAO Report on EAS RGB infoRGB info SA DNCS referenceSA DNCS reference

Emergency Alert System Emergency Alert System RequirementsRequirements

UpdateUpdate

Steven C. JohnsonSteven C. JohnsonJohnson Telecom, LLCJohnson Telecom, LLC

www.JohnsonTelecom.comwww.JohnsonTelecom.comSteve@[email protected]

704-968-7031704-968-7031

Background MaterialBackground Material

EAS ProtocolEAS Protocol

Packet Header repeated 3 timesPacket Header repeated 3 times Attention Signal – 8 to 25 secondsAttention Signal – 8 to 25 seconds Audio message up to 2 minutes Audio message up to 2 minutes

(unlimited time on EAN)(unlimited time on EAN) Packet End of Message (EOM) Packet End of Message (EOM)

repeated 3 timesrepeated 3 times

Targeting Alerts -- FIPS CodeTargeting Alerts -- FIPS Code Federal Information Processing StandardFederal Information Processing Standard

PSSCCCPSSCCC P = County P = County

Subdivision 0-9Subdivision 0-9• 0 = all, 1 = NW, 2 = 0 = all, 1 = NW, 2 =

N, 3 = NE, 4 = W, N, 3 = NE, 4 = W, etcetc

SS = State SS = State designationdesignation

CCC = County CCC = County designationdesignation

11 22 33

44 55 66

77 88 99

Targeting AlertsTargeting Alerts

Targeted to hub through DNCSTargeted to hub through DNCS

OverridesOverrides

All Downstream Video ProgrammingAll Downstream Video Programming Not Required on Not Required on

• Music ServicesMusic Services• Graphics Generated in STBGraphics Generated in STB• TelephoneTelephone• Cable Modem Cable Modem


Required to be followed on all Required to be followed on all required alertsrequired alerts• National Alerts and testsNational Alerts and tests

EAN (Emergency Action Notification--EAN (Emergency Action Notification--Presidential), Presidential),

RWT (Required Weekly Test), RWT (Required Weekly Test), RMT (Required Monthly Test) – within 60 RMT (Required Monthly Test) – within 60

minutes of receiptminutes of receipt

• Video and AudioVideo and Audio

EAS HeaderEAS Header

[PREAMBLE] [PREAMBLE] ZCZC ZCZC ORG ORG EEE EEE PSSCCC PSSCCC TTTT TTTT JJJHHMM JJJHHMM LLLLLLLL LLLLLLLL

PreamblePreamble

10101011 sent to 10101011 sent to clear the system, clear the system, set AGC and set AGC and set asynchronous decoder clocking set asynchronous decoder clocking

cycles. cycles.

The preamble must be transmitted The preamble must be transmitted before each header and End Of Message before each header and End Of Message code.code.


[PREAMBLE]ZCZC-ORG-EEE-[PREAMBLE]ZCZC-ORG-EEE-PSSCCC+TTTT-JJJHHMM-LLLLLLLLPSSCCC+TTTT-JJJHHMM-LLLLLLLL

ZCZC = Identifier, sent as ASCII ZCZC = Identifier, sent as ASCII characters ZCZC to indicate the start characters ZCZC to indicate the start of ASCII codeof ASCII code

ORG = Originator of messageORG = Originator of message

ORGORG

EAS ParticipantEAS Participant EASEAS Civil authoritiesCivil authorities CIVCIV National Weather ServiceNational Weather Service WXRWXR Primary Entry Point SystemPrimary Entry Point System PEPPEP



EEE = Event CodeEEE = Event Code PSSCCC = PSSCCC = Location code -- Federal Location code -- Federal

Information Processing Standard Information Processing Standard (FIPS) (FIPS)



TTTT = Event Duration in 15 minute TTTT = Event Duration in 15 minute incrementsincrements• Not to be confused with override time of Not to be confused with override time of

2 minutes max, except for Presidential 2 minutes max, except for Presidential alertalert



JJJHHMMJJJHHMM• JJJ = day (0 to 365)JJJ = day (0 to 365)• HHMM = time in UTCHHMM = time in UTC

LLLLLLLL = ID Code of participant LLLLLLLL = ID Code of participant transmitting or retransmitting messagetransmitting or retransmitting message• Cable System name or CUID (Community Unit Cable System name or CUID (Community Unit

ID)ID)

EAS EOMEAS EOM

[PREAMBLE]NNNN[PREAMBLE]NNNN

NNNN = End of MessageNNNN = End of Message

13941394

Inconsistent implementation by CEInconsistent implementation by CE Few TVs supportingFew TVs supporting Motorola – OKMotorola – OK SA – Does not support EAS graphics SA – Does not support EAS graphics

via 1394 portvia 1394 port Optional input selectionOptional input selection Component connections required w/ Component connections required w/

input selectorinput selector

Event Codes -- OptionalEvent Codes -- Optional Administrative Message ADRAdministrative Message ADR Avalanche Warning AVWAvalanche Warning AVW Avalanche Watch AVAAvalanche Watch AVA Blizzard Warning BZWBlizzard Warning BZW Child Abduction Emergency CAEChild Abduction Emergency CAE Civil Danger Warning CDWCivil Danger Warning CDW Civil Emergency Message CEMCivil Emergency Message CEM Coastal Flood Warning CFWCoastal Flood Warning CFW Coastal Flood Watch CFACoastal Flood Watch CFA Dust Storm Warning DSWDust Storm Warning DSW Earthquake Warning EQWEarthquake Warning EQW Evacuation Immediate EVIEvacuation Immediate EVI Fire Warning FRWFire Warning FRW Flash Flood Warning FFWFlash Flood Warning FFW Flash Flood Watch FFAFlash Flood Watch FFA Flash Flood Statement FFSFlash Flood Statement FFS Flood Warning FLWFlood Warning FLW Flood Watch FLAFlood Watch FLA Flood Statement FLSFlood Statement FLS Haz Mat Warning HMWHaz Mat Warning HMW High Wind Warning HWWHigh Wind Warning HWW High Wind Watch HWAHigh Wind Watch HWA Hurricane Warning HUWHurricane Warning HUW Hurricane Watch HUAHurricane Watch HUA Hurricane Statement HLSHurricane Statement HLS

Event Codes -- OptionalEvent Codes -- Optional Law Enforcement Warning LEWLaw Enforcement Warning LEW Local Area Emergency LAELocal Area Emergency LAE Network Message Notification NMNNetwork Message Notification NMN 911 Tele Outage Emerg 911 Tele Outage Emerg

TOETOE Nuclear Pwr Plant Warning NUWNuclear Pwr Plant Warning NUW Practice/Demo Warning Practice/Demo Warning

DMODMO Radiological Hazard Warning RHWRadiological Hazard Warning RHW Severe T-storm Warning Severe T-storm Warning

SVRSVR Severe Thunderstorm Watch SVASevere Thunderstorm Watch SVA Severe Weather Stmt SVSSevere Weather Stmt SVS Shelter in Place Warning SPWShelter in Place Warning SPW Special Marine Warning SMWSpecial Marine Warning SMW Special Weather Statement SPSSpecial Weather Statement SPSTornado Warning TORTornado Warning TOR Tornado Watch TOATornado Watch TOA Tropical Storm Warning Tropical Storm Warning

TRWTRW Tropical Storm Watch TRATropical Storm Watch TRA Tsunami Warning TSWTsunami Warning TSW Tsunami Watch TSATsunami Watch TSA Volcano Warning VOWVolcano Warning VOW Winter Storm Warning WSWWinter Storm Warning WSW Winter Storm Watch WSAWinter Storm Watch WSA

RecommendedRecommended

CAE – Child Abduction Emergency CAE – Child Abduction Emergency (AMBER)(AMBER)

Tornado Warning, where appropriateTornado Warning, where appropriate

Should participate in some voluntary Should participate in some voluntary alerts to avoid the risk of becoming alerts to avoid the risk of becoming mandatorymandatory

AMBERAMBER

Difficult to do in an automated formDifficult to do in an automated form EAS Protocol does not support the EAS Protocol does not support the

details necessarydetails necessary• Description of suspectDescription of suspect• Description of vehicleDescription of vehicle• Description of victimDescription of victim• Location last seenLocation last seen• etcetc

Override LengthOverride Length

2 minute max except for Presidential 2 minute max except for Presidential alertalert

Controlled by audio packet header Controlled by audio packet header and encoder/decoderand encoder/decoder

Override ends when decoder hears Override ends when decoder hears EOM or 2 minutes has elapsedEOM or 2 minutes has elapsed

Override Time vs Event DurationOverride Time vs Event Duration

Override TimeOverride Time• 2 minute time out or at EOM2 minute time out or at EOM• Except for Presidential Alert – EANExcept for Presidential Alert – EAN

Event DurationEvent Duration• Length of time that event is a threatLength of time that event is a threat• For example, a tornado warning from 8 For example, a tornado warning from 8

PM to 10 PM – 2 hoursPM to 10 PM – 2 hours Override time does not = Event Override time does not = Event

DurationDuration

Decision Tree for DecoderDecision Tree for Decoder

National Alert? -- override until National Alert? -- override until completedcompleted

My Area? – if No, then StopMy Area? – if No, then Stop

Test? – overrideTest? – override

Programmed event code? -- overrideProgrammed event code? -- override

Repetition of AlertsRepetition of Alerts

Not RequiredNot Required Optional repeat overrides may be Optional repeat overrides may be

done during the eventdone during the event• Get message to those just tuning inGet message to those just tuning in

Details ChannelDetails Channel

AKA Tune to ChannelAKA Tune to Channel Optional, not requiredOptional, not required ““For More information, tune to For More information, tune to

channel XYZ”channel XYZ” Tune to Channel may be the override Tune to Channel may be the override

method used (Force Tune)method used (Force Tune)

Force TuneForce Tune

National Alert (EAN)National Alert (EAN) MotorolaMotorola Cable Card (if audio required)Cable Card (if audio required) Franchise required alert (maybe)Franchise required alert (maybe)

Analog Override TechniquesAnalog Override Techniques

Baseband SwitchingBaseband Switching IF SwitchingIF Switching Crawl and optional Audio substitutionCrawl and optional Audio substitution Comb Generator Comb Generator Edge Device such as RGBEdge Device such as RGB

Digital Override TechniquesDigital Override Techniques

Force Tune Force Tune • MotorolaMotorola• PresidentialPresidential

Out of Band SignalingOut 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

CAP Tests in WisconsinCAP Tests in Wisconsin

Summer 2006 to December 2007Summer 2006 to December 2007 CAP Transport to FacilityCAP Transport to Facility Emergency Communications Emergency Communications web site web site Creates CAP messageCreates CAP message Delivered to appropriate locations via Delivered to appropriate locations via

internetinternet Translated to EAS protocol and Translated to EAS protocol and

delivered to viewersdelivered to viewers

emergency alert system requirements update steven c. johnson johnson telecom, llc ...

Documents

eas objective

analog slide

dncs slide

audio slide

headend analog eas

eas equipment headend

video displays support

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