ToFileDateOctober18,1983FromL.StewartLocationPARCSubjectCSL-8308RegistrationOrganizationCSLXEROXReleaseas/Indigo/Voice/Documentation/RegistrationExhibitE.tiogaCamefrom/Indigo/Voice/Documentation/RegistrationExhibitE.tiogaLasteditedbyL.Stewart,October18,19832:52pmAbstractThisdocumentcontainsExhibitEtobeincludedwithFCCForm730forthePart68registrationapplicationfortheCSL-8308VoiceTerminal.1.0GeneralThisexhibitcontainsadescriptionofallelectricalcircuitryandmechanicalconstructionaffectingcompliancewiththerequirementsofSubpartDofPart68oftheFCCrules.TheCSL-8308VoiceTerminalusessolidstateaudio,switching,andcontrolcircuits.Thepowersupplyandinterfacetothetelephonenetworkcontaindielectricbarrierstoprotecttheinternalcircuitsfromexternalstressessuchashazardousvoltagesandlightning.ProtectingtheinternalcircuitsoftheCSL-8308assurescompliancewithmostoftherequirementsofPart68.Theremainingrequirements,suchassignalpowerlimits,aremetbydesign.Thisexhibitbeginswithadiscussionofbasicsystemstructure.Thenthetelephonenetworkportinterfaceisdiscussedindetail,describinghowthevariouscomponentsaffectcompliancewiththerules.Thepowersupplyandmechanicalconstructionarecoverednext,leadingintoadiscussionofeachtestandhowtheCSL-8308designfulfillstherequirementsofthattest.2.0HardwareDescription2.1GeneralDiagramE-1isablockdiagramoftheCSL-8308VoiceTerminal.The8308isamicroprocessorbasedmultifunctionterminalintendedforapplicationsinofficesystemresearch.Externalconnectionsaremadetothe8308forpower,telephonenetwork,separatelyregisteredtelephoneset(astandard2500typesinglelineinstrument),non-registeredanalogvoicedevices,anddigitalinterfacesforcommunicationswithotherofficeequipment.EachexternalconnectionwillbeconsideredbelowforitsaffectsoncompliancewiththerequirementsofPart68.The8308isdesignedaroundananalogswitch.Theswitchhandlesallvoiceinterconnectionsbetweenthevarioussourcesandsinksexceptforsignalsboundtothetelephonenetworkinterface.SignalsboundforthetelephonenetworkarehandledspeciallyinordertomeetthesignalpowerlimitationsofPart68.Theanalogswitchiscontrolledbyapairofmicroprocessorswhichhavetheadditionalfunctionsofp _,q1_,p(_,r3C_,8:p [Pr1[Pp([Pr3C[Pp Wtr1Wt p(Wt r3CWts{Ot FoqF6t DX LqDX6t B BqKB2B\!%-(;t ?bq?b!3&F')+158<?ADG =  0n#8'u :k )r 7e "$i&v ,Z14 ; C 5u *E  %')D,2./205 2.- =#U&*.a 47<BjEa 1Rj/ !o&+ 168=@?D / i#L(+p 2I 8;a@EaG/ .j$ t#$'O /147f:Q@ ,\ [ " )] #%)H- 48K:A)F (:  #w&|(- 5S9 @_CzE & S  'f).2m7N:5;l ACG $ r!#p +-z0Iu ! )~ M )r v%!6#%,/69=M>@ V !$9 +-16g@BG  *E  # >fs$&(+/469D   9V"&{*,`.4:7 @E4  #{i!'9(,.5137; BDkGR H  3 \!$&058y; AG4TVm$2CSL-8308ExhibitE2handlingdigitalvoiceandofdigitalcommunicationswithotherofficeequipment.2.2ExternalconnectionsTheexternalpowerconnectionistostandard120vACmains.ThepowersupplyisolationtransformerconstructionandinsulationprovidesisolationbetweentheACmainsandboththetelephonenetworkandnon-registeredequipmentandcircuits.Thetelephonenetworkconnectionincludesbothtelephoneconnections(tipandring)andauxiliaryconnections(AandA1).Thetelephonenetworkportcircuitsfullyisolatetheseconnectionsfromallothercircuitsthroughadielectricbarrier.Thetelephoneinstrumentisseparatelyregistered.The8308incorporatesapower-faillinetransferrelaywhichconnectsthetelephoneinstrumentdirectlytothetelephonenetwork.Connectionstonon-registeredanalogvoiceequipmentfallsintotwogroups:thoseforinputonlyandthoseforoutputonly.Thevoiceinputportsarethemicrophone(forspeakerphoneservice),andtwoline-levelaudioinputs(formusic-on-hold).Theoutputsarealoudspeakerandtwoline-levelaudiooutputs.Therearetwodigitalcommunicationsports,TTYandEthernet.TheTTYportisintendedforcommunicationswithlowbit-ratedevicessuchascomputerterminals,theEthernetportisahighbit-rateconnectiontotheExperimentalEthernetlocalareanetwork.2.3TelephonenetworkinterfaceDiagramE-2isablockdiagramofthetelephonenetworkinterface.DiagramsE-3-AandE-3-BaredetailedschematicdiagramsofthoseportionsoftheCSL-8306affectingcompliancewithPart68.TheCentralOffice(CO)lineisisolatedfromallothercircuitsbyfourdielectricbarriers,tworelays,atransformer,andanopto-isolator.ThustheCOlineisfloatingandhasnoconnectiontogroundexceptthatprovidedbyasecondaryprotectiondevice.2.3.1ProtectioncircuitsOnentrytothe8308,tipandringoftheCOlinepassthroughprotectioncircuitsconsistingofaTII-47BTgas-tubesurgesuppressorandthrough100microhenryand10ohmresistorsforRFIisolation.Thesurgesuppressorqualifiesasasecondaryprotectiondevice.2.3.2RingdetectorTheCOline,nowreferedtoastipAandringAinthedrawings,connectstothelightemittingsideofaTITIL119opto-isolator.CapacitorC40isratedat600voltsandservestoconnecttheopto-isolatoronlyforACringingcurrent.TheringerequivalencenumberoftheinternalringdetectcircuitisestablishedbytheresistanceofR58andbytheimpedanceofcapacitorC40.Thedielectricbarrieroftheopto-isolatorisratedat1500voltsandservestoprotecttheinternalcontrolcircuitsofthe8308.ComponentsR58andC40alsodeterminetheonhookimpedanceofthe8308.TheyareselectedtocomplywiththerequirementsofSection68.312(On-HookImpedanceLimitations).2.3.3LineRelayDiodesD9,D10,D11,andD12areratedat1000voltseach.Thebridgeformedbythesediodesservestoestablishproperoperatingpolarityfortheelectronicholdingcoildiscussedbelow.RelayK1isthe8308'slinerelay;whenclosed,itestablishesaconductingpathforCOloopcurrent.Thedielectricbarrierbetweencoilandcontactsisratedat1000vrmsandservestoprotecttheinternalcontrolcircuitsv!f)/LwHDfr _/t,  *U-p14 u [ ) r Xi !5"$*-/H2#7:?JD  V Q  "',2T47 ;=@C8 UBD !$ R, "&'*1 8;'=A5C Q MB#)+,B14v8<} DG Oy J  L W $ +.2, :;2 AD KV Sa[ &+-G/5 H s $'.147<@YBFu G4 kCaN!%)G+." 58 AkF E R|.'*e/W12 :r=%? E C AjV, $(,u/V6,9.<?AlGR ? !x#3&U'. 4X6<@?+@AD >  s#&_)Xu : )r 7}S@_ b"$f*/ 6l<@COG; 5,e& &9'*c06 =@CF 4/{?2! $&*/15; ;_@CHe 2 gT +"%'*D+03e57 >@zE? 0  "u - 2 r *B "$u&),^/k4 ;Z@- FHe (s "'*I 14D6!9I>@C & n =o& ,u # 2r U 17 X#&9*&+.84d:;>AFF   a"%x&*`+.14s8y:!?2A  F % ,2F4@6<6?YCH# _ ~  #P%\'.06:`=H C@G  p )"i%E)v+I027<ACmE  $$')%,358"<@%BG iE P#/'}. 52 u  2ar p- #F&(+/53c6K:?AE4 $o '%L'* 0V5p8 >8C?G: } J Y, K! (J)f 0k358;;R@C pz/p#`$(:+.S2]4 8; @ D TVm$JCSL-8308ExhibitE3ofthe8308.2.3.4Power-failtransferLinestipAandringAalsoconnecttothepower-failtransfercircuit.RelayK3servesasthepower-failtransferrelay.Intheeventofapowerfailure,theseparatelyregisteredtelephonesetconnectedtothe8308iscutthroughdirectlytotheCOtelephonelineviaK3.Thissetwilltypicallyhaveabridgedringer.RelayK3isofthesametypeasrelayK1andisratedfor1000vrmsbreakdown.Thetelephonesetdoesnotinvolvehazardousvoltagesourcesandfloatsontipandringassuringlongitudinalbalancerequirementsaremet.Inanyevent,thepower-failtransfermodeisnotanormaloperatingconditionandwouldbecorrectedquicklyasinthismodethecustomerwouldexperiencelossofallterminal-providedservicesexceptpower-failtransfer.2.3.5ElectronicholdingcoilAfterpassingthroughthelinerelayK1,theCOlineisreferredtoasSwLine+andSwLine-("SwitchedLine").ThesesignalsconnecttotheelectronicholdingcoilcircuitsurroundingtransistorQ2.ThiscircuitisacurrentsourcewithoperatingcurrentsetbythevalueofR98toapproximately38mA.ZenerdiodeD23divertssurgecurrentsbelowthethresholdofthegastubesupressordiscussedabove.2.3.6IsolationtransformerCapacitorC43isolatesthelinesideoftransformerT1fromtheoffhookvoltageacrosstheelectronicholdingcoil.Itservesnoroleinelectricalprotection.TransformerT1providesthemaindielectricbarrierbetweentheCOlineandtheinternalcircuitsofthe8308.Itsdielectricisratedat1250vrms.ThelongitudinalbalanceoftheCOlineisnotaffectedbytheterminationonthesecondarysidebecausethetransformerprovidesisolation.2.3.7TelephoneinterfacecircuitsThecircuitsonthesecondarysideoftransformerT1formasingletransformerhybrid.ZenerdiodesD13andD14provideafinallevelofprotectionfortheinternalcircuitsfromanysurgevoltageswhichpassthroughthetransformer.Thesignalpathfromthetelephonelinetravelstotheanalogswitchforfurtherdistribution.ThesignalpathtothetelephonelinecomesonlyfromthedigitaltoanalogconversionsectionoftheIntel2910/2912codec/filter.2.3.8SignalpowerlimitationsOut-of-bandsignalpowerislimitedbythelowpassanti-aliasingfiltersectionoftheIntel2912A.In-bandsignalpowerlimitsareenforcedbythemicroprocessorportionofthe8308.Boththesematterswillbedescribedinadditionaldetail.Signalpowerlimitsarenotadjustable.2.4Connectionstonon-registeredequipmentNospecialcircuitryisincludedintheinterfacecircuitrytonon-registeredequipmenteithertoprovidedielectricisolationfromtheinternalcircuitsofthe8306ortoprovidesignalpowerlimitations.Rather,thesefunctionsareprovidedbythetelephonenetworkportasdescribedabove.TheCSL-8308hastwoportsforconnectionofnon-registeredvoiceoraudiodevices,LineInAandLineInB.Theseportsareintendedformusic-on-holdapplication.Inaddition,thereisaportintendedfortheconnectionofamicrophoneforspeakerphoneservice(livevoice).v!f)/LwHDfr _/ u [ 2 r XLQ^!T"% +0v5K9;J?6@C VT,RF"|'7) 0 6h<>ExG/ UA RS ");,.o157X:#?C.Dx S:!&"&;(+H,0=2z59' QH!#).3p6B:<1>iA:D7 Ow  !f%&)-0 6;?ACD M &$)+|-(/35;@ F L(  "/ (u H 2 r E  $?')),/1268:A"D C h#p%'a -25!9M A F B: F &>+ -*/)15769; DF @ C";&H(.0u2538Y>bDku =C 2 r 9bT"# +#-.0248[=ACO 8L % -g 5|7=y@C 6y!!(&P+",/`35 ;=0@BxE 4 TFB"r#&7+a-O/ 68;EADm 3V K O u 0 2r ,rZ!v# *{,/04 <"AGE4 + =!K '*%,16p9<@8E )i 4 #'*,3P6:x<1>C GR ' "d$X&-058g<>C6E* & m&# u " 2uv r { m#3%B'*h-t 528=Q?AD +=S#$'T 057[9=A*D , a !%)-/2n u  )  r N^!B#.%+1[3H <CG  } T%s*:+.d1356:I>=Bt >`^ "$+50354;_ |I_ ')4 2757{;G@^CEUF  I 2"\ +a 35T;>~?@C t ) >g "F */2 bTVm$:CSL-8308ExhibitE4Othernon-registeredexternalequipmentincludesaloudspeaker,line-leveloutputs,anddigitalcommunicationsinterfaces.ThesedevicesdonotaffectcompliancewithPart68.2.5ConnectionstoseparatelyregisteredequipmentAstandard2500typedesktelephonesetisnormallyconnectedtotheCSL-8308.Inthepower-failtransfermode,thissetiscutthroughdirectlytotheCOline.Innormaloperation,however,thetelephonesetisconnectedtotheanalogswitch.Inthismode,thevoiceandsignalingpathfromthetelephonesettotheCOlinepassesthroughthesamefilteringandlevellimitingfunctionsasallothersignalsourcesexceptnetworkaddresssignaling.ThetelephoneincludedwiththeCSL-8308isregisteredunderFCCRegistrationNumberAS293P-70088-TE-Tandhasaringerequivalencenumberof1.0A.2.6DigitalcommunicationsThemicroprocessorinthe8308includesinterfacesfordigitalcommunicationswithotherofficeequipmentbyEIARS-232andbytheXeroxExperimentalEthernetlocalareanetwork.TheRS-232interfaceisintendedforcommunicationswithlowbit-ratedevicessuchascomputerterminals.TheEthernetinterfaceisintendedforcommunicationswithofficeworkstationcomputers.2.7PowerSupplyTheCSL-8308VoiceTerminalincorporatesaCondorTD-60Wlinearregulatedpowersupply.Forfurtherelectricalisolation,anisolationtransformerisincludedwhichincorporatestransformerdielectricinexcessof1500vrms.Allsecondaryoutputsofthepowersupplyarenon-hazardousandoperateatplus5voltsfordigitallogic,andplusandminus12voltsforoperationalamplifiers.The8308doesnotincorporatearinginggeneratortodrivethetelephonesetringer.Allprimarycircuitsarewellseparatedfromthesecondarycircuitwiring.DiagramE-4showscircuitsontheprimarysideofthepowersupply.DiagramsE-5-AandE-5-Barethemanufacturer'spartslistandschematics.2.8MechanicalconstructionTheCSL-8308packageconsistsofametalcaseenclosingcircuitboardsandpower-supply.Theexternaldimensionsare12.5incheshigh,5incheswide,and13.5inchesdeep.Thecaseconsistsoftopandbottomsolidcovers,perforatedsides,front"connector"panel,andrear"powersupply"panel.Theentirecaseandsecondarycircuitgroundiselectricallyconnectedtothepowercord"green"earthgroundterminalandconsideredtobeanexposedconductingsurface.Thetopandbottomcoversincludepermanentlymountedpemnuts.Thesides,front,andrearpanelsattachtothetopandbottomcoverswith28screws.Thepowersupplypanelsupportsthepowersupply,circuitbreaker,andIECpowercordconnector.Secondaryleadsfromthepowersupplyarecabledtogetherandconnecttothe"digital"boardviaalatchingconnector.Theconnectorpanelsupportsthe"digital"and"analog"circuitboards.ThedigitalboardisattachedtothepanelbythemountingscrewsfortheEthernetandTTYconnectors.Theanalogboardisattachedtothepanelbytwoanglebrackets.Theanglebracketsattachtostudspermanentlyweldedtothepanel.Thedigitalandanalogboardsformasandwich.Thefrontedgeofeachboardisattachedtotheconnectorpanelasdescribedabove.Theboardsareinterconnectedattheirrearedgesbyalatchinginterboardconnector.Duringshipping,cardguidesareinstalledonthetopandbottomcoversforaddtionalboardsupport.v!f)/LwHDfr _/ I',., 6| <BSEV ] # )+#%(o,; 3y69u Z8 )  . "wr V9'W#%'3-3527>@C UAml $&t(+-.054 ;8@C8 S  jL!X#"%),B/28C;d>A!Gr Q tQ"(*./3[9e;=@D PKG T"7(.I1o3:O; BF( N +#&)"*L.X 5;<u KT ) r H hJ!X& -M/4, >AE F]"_& //48L;\AD DR8 $'E*/47]95? F C8` (+/ 7. u ? )ar 7@Co 4+ SY 1b "?'z*V,/338>BE 0 ? b W u ,  r )i: "#'*1"5:!< F '/ b#^$(,z/22 6[:=o@^E_G & _3 #& .25f87=B)F $s I"# *1259 <4AND "e # * PJ(y# +149 < ?CF 0?My C${'){ ,} !K#',06 8;?B ^i#N%*B/279BD   o )"U$*7,0' 7:>BD   +"&_+/1_4 <AC#Ew l ]L X&)-00148:?e@C8  "o$ .=/3Q6D:) \ r :4 %) 046;R= ?j 8MIx)!_&*w,164z69^5@E $t  _# +.57A8 ?4 E " R (2*. 5<:AC !% G !S +!.'),,.b 382<?C  u  \ i$ r e] !U&g' .x0258f=AfCH# ?]= P"m$*R-A/16} =?UEIG/  u G!C" ))+!-|2y4.6 < C8 ou   \ r Rnk!(:-S0 7;q?EG/FTVm$YCSL-8308ExhibitE6networkfromanyequipmentconnectedtothenetwork.TheCSL-8308limitssignalpowerbydigitalmeans.AllsignalsreachingtheCOlineinterfacecircuitsarefirstdigitallyencoded.Networksignalingsignalsaregeneratedbythe8308indigitalform.Music-on-holdandlivevoicesignalsboundforthetelephonenetworkareconvertedtodigitalformanddigitallyprocessedbeforebeingconvertedbacktoanalogandpassedtotheCOlineinterfacecircuits.Signalsfornetworksignalingareinternallygeneratedbythe8308sothatthepowerdeliveredtotheloopsimulatorcircuitwillbelessthan0dBmaveragedover3seconds.Signalsfromthemusic-on-holdandlivevoiceportsareconvertedtodigitalforminsidethe8308.Theythenpassthroughadigitalpowerlimitingcircuitbeforebeforebeingconvertedbacktoanalogform.Out-of-bandsignalsareattenuatedbytheIntel2912Alow-passfilterintwoways,onA/DconversionandagainonD/Aconversion.ThecharacteristicsofthisfiltermeettheATTD3/D4channelbankspecifications.Thecombinedfiltercharacteristicresultsin28dBattenuationat4000Hzand64dBattenuationabove4600Hz.68.308(b)(1)(i)Non-signalingin-bandpower.Thedigitallimitingcircuitlimitstheaveragepowerofnon-live-voicesignalstolessthan-10.5dBm.LimitingissettothislimitsothatnomanufacturingvariationsamongtheanalogcomponentsintheCOlineinterfacecircuitscouldcausetheleveltoexceed-9dBmatthetelephonenetworkport.Thedigitallimitingcircuitoperatesbyinserting2.5dBoflosswheneverthelevelatthetelephonenetworkapproaches-10.5dBm.Thelossisincreasedin2.5dBstepsupto20dB.Sincethedigitalcircuitryclipsatalevelof+5.7dBm,the20dBrangeofattenuationissufficenttolimitanysignalwhichcanberepresentedindigitalform.Thesesettingsarenotadjustable.68.308(b)(2)(i)Signalingpower.Signalsfornetworksignalingareinternallygeneratedbythe8308sothatthepowerdeliveredtotheloopsimulatorcircuitwillbelessthan0dBmaveragedover3seconds.Sincethesignalsaregeneratedindigitalform,therearenotolerances.Thelevelisnotadjustable.68.308(b)(3)Through-transmissionrequirements.Innormaloperation,theCSL-8308doesnotincludeathrough-transmissioncapability.Inpower-failtransfermode,theCSL-8308doesnotprovideloopcurrent.68.308(b)(4)(iv)DataTerminalEquipment.TheCSL-8308isnotDataTerminalEquipment,butneverthelesscomplieswiththerestrictionsofthissectionbyprovidinganon-adjustablelevelofnogreaterthan-9dBm.68.308(b)(5)Through-transmissiongainrequirements.TheCSL-8308providesforthroughtransmissiononlyinpower-failtransfermode.Inthismode,theCSL-8308providesneithergainnorloss.68.308(c)(1)Powerinthe3995-4005Hzband.TheCSL-8308doesnotincorporateinternalsignalsourcesotherthanfornetworksignaling.68.308(c)(2)Powerinthe3995-4005Hzband,throughtransmission.TheCSL-8308providesforthroughtransmissiononlyinpower-failtransfermode.Inthismode,theCSL-8308providesneithergainnorloss.68.308(d)Longitudinalvoltage.Thenetworkinterfaceportcircuitryistransformercoupledandnotconnectedtoground.Bydesign,the8308cannotproduceanylongitudinalvoltages.3.6Section68.306--HazardousVoltageLimitationsTheCOlinecircuitassurescompliancewiththissection.Thisisapparentbecausethecircuitonthenetworksideofthedielectricbarrierisfloatingwithrespecttogroundandbecausethedelectricbarriercomplieswiththeleakagecurrentrequirementsofsection68.304.Internalamplifiersinthe8308v!f)/LwHDfr _/DK2"$c& \OIc"$)S.1S5;>?AC [ 5%L+/182:2<?AE Ye +x p$&)W/47H=?BCvF W9y#'0(-C/4`68n;=C` UBT &-./1r46d9&;y?EG/ S $_ !"&G,/'0\ QpV #F%)-(/57;?pCE Ox C#-(k,1059?C^E* M w $'1)-L17;4=@CF3 L) b5 #&/D03y6::h>"@rEa D 6 'R!$(.v/2 36h9;>S@` C  J "$&)n,16i:*=@)CdE Ai  ~"%)/"3h8:@BEF ?`n$ ,/j36J8:A@:ADF' >  ."%'~(+.K082|698:<@B[ @VB 9#D(*z/58U >EG/ 8P < L E"%+0@247:;?fE6HZ 6H3l$u&Y*.2z57> >AEyG 5 2sX# -d/P4* :=ECG 0 $E& ,158^>BD /8  ,$A;!u )d,2236^9? G + *+p #Q$'x+-45 ><AgCD )n  &I$(E 255;ADW %K  "')v,00w29t?CG # !(]$'&[*-l369[ @E _  $z&*/ 8;YAGR ^E HR "(+-/168?,D  z ;  5!$*F/3 8: AF  a7S #Z&+0u3 :u D \@#V r He# %w(+`1465;@C8G N m= G#%}*-249kYaG ;#& *, 23Q6 7=8;V@ EHe : ]!$)f-2 ;@C8 9" l#F"}'F*0=16;;=u 5 )r 2b#x)5+1. 0#n( -k!#%,E1 +Vg!&+< (A &)`, &\au " ) | ( r ,KT(,A-/ R @"&I'+(/424: 6"$)-4/u  [J r \ %v(*-- ">7 O  !$(TVm$'CSL-8308ExhibitE8C40ringdetectcapacitor:0.1microfarad,600voltsR58,ringdetectresistor:22Kohms,1/4wattD26,ringdetectcatchdiode:1N4148,60voltsU21,ringdetectopto-isolator:TexasInstrumentsTIL119,rated1500voltsD9-D12,bridgerectifier:1N4007diodes,rated1000voltsand1ampereK1,K3,relays:Midtex190-22E100,rated1000vrms,refertoattachedE-7D23,holdingcoilprotectivediode,1N5363,5wattzener,rated35voltsR96,holdingcoilresistor:4.7Kohms,1/4wattR97,holdingcoilresistor:68ohms,1/4wattR98,holdingcoilresistor:18ohms,1/4wattQ2,holdingcoiltransistor:2N3904,rated60voltsC43,off-hookDCblockingcapacitor:22microfarads,rated35voltsT1,hybridandisolationtransformer:Midcom671-0339,rated1250vrms,refertoattachedE-8D13,D14,protectivediodes:1N4273Arated3.0volts,500milliwattsU2,low-passfilter:Intel2912A,refertoattachedE-96.0Additionalinformation6.1RedialingTheCSL-8308doesnotincorporateanautomaticre-dialingfacility.v!f)/LwHDfr _/s  &h( \',#9% Z9 $Q&6 W  x#c *0;37  UC[ E"^'*-1&35 R[m6 "&)-027 PM  "F'(+/35k M $'e KW"%h H"%h FaNY p"&k(P C. $& -1e3J Ak"J #)?/h2679=G>Dq > f $(F*.!0