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Tiêu đề Information Technology Ð Character Repertoire And Coding For Interworking With Telex Services
Trường học British Standards Institution
Chuyên ngành Information Technology
Thể loại British Standard
Năm xuất bản 1998
Thành phố Brussels
Định dạng
Số trang 10
Dung lượng 715,88 KB

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19 22 : 19 9 8

TheEuro ea S ta d rdEN19 2:19 97h sthes tatusofa

B ritis hS ta dard

ICS3 0 0

N COPYIN G WITH OU T BSI PE MIS ION E C PT AS PER MIT ED B COPY IGH T LAW

Trang 2

T h isBrit ishSt an d ard ,h avin g

b enpre aredu n d ert h e

d iret ionoft h eDI SCBo rd ,w as

pu bli sh edun d ert h eau t h orityof

t h eSt an d ard sBo rdan dc m es

in t oefe ton15February19 8

BSI19 8

A mendmentsis u edsincepubl ca tion

Amd.N o Date Te xtafec ted

ThisBritis hS ta d rdistheEnglis hlanguagevers ionofEN19 2:199 7.It

s upers edesDDEN V415 0 4:19 1whic hiswith rawn

TheUKp rtic ipatio initsprep ratio wasentrus tedtoTec hnic alCommitte e

IS T/2,Ch rac te rS etsa dInformatio Co ing,whic hh stheres po s ibiityto:

± aide nq irer tou ders ta dthetext;

± pres ent othere s po s ibleEuro ea c ommite a ye nq irie so the

interpretatio ,orpro os alsforc ha g ,a dke eptheUKinteres tsinformed;

± monitorrelatedintern tion landEuro ea develo mentsandpromulgate

themintheUK

Alis toforganiz atio srepre s entedo thisc ommite c anbeo tainedo re ques tto

itss ec retary

Cros -r efer ences

TheB ritis hS ta d rdswhic himpleme ntintern tio alorEuro ea p blc ations

referedtointhisd c umentma befo n intheB S IS ta d rdsCatalogueu de rthe

s ec tionentitled`Intern tio alS ta d rdsCores po denc eIndex' orb us ingthe

`Fin 'fac ilityoftheB S IS ta d rdsElec tro icCatalogue

Compla ncewithaBritishSta nda rddo snotofitselfconferimmu ity

f omleg a lo lg a tions

Summaryofpa ges

Thisd c umentc ompris esafo tc over,a ins idefo tc over,theENtitlep ge,

p ges2to6,a ins ideb c kc overa dab c kc over

Trang 3

Euro e anCommitte forS ta d rdiz atio

Comite Euro eÂendeN ormals ation

Euro aÈis c hesKomite efu

È

rN ormung

Cen t ralSecret ari at : r u edeSt assart 36 ,B- 10 50 Br u ssel s

19 7CENAl rights ofex loitationina yform a db a ymea s res erve dworldwide forCENn tion l

Members

Â

ENNE

È

Sep temb er1997

ICS3 0 0.7 ; 3 00

Descript or: Dat a pro es in g , t ele ro esin g, in form at ion in t erch an g e, d at a tran sm is ion , t elex , c d ed ch ara t er set s, d ire t ories,

c d ifict ion

E nglshversion

Information technology Ð

Character repertoire and coding for interworking with Telex services

Tec hn logie s de l'information Ð ReÂpertoire des

c arac teÁresetc od ge p url'inte rac tio a e les s ervic es

teÂlex

Informations tec hnik Ð Z eic hen orat und Co ieru g

fuÈrdieZ us ammen rbeitmitTele x-Die ns te n

ThisEuro ea S ta d rdwasa pro edb CENo 15Augus t19 97

C Nmember are b u d to c omplywith the CEN /CEN ELE Inte rn lRegulations

whic h s tip late the c on itio s for giving this Euro ea S ta d rd the s tatus of a

n tio al s ta d rd with ut a y alteratio Up-to-date lis ts a d biblogra hic al

refere nc es c onc erning s uc h n tion l s ta d rds maybe o taine d o a p c atio to

the CentralS ec retariatortoa yCENmember

ThisEuro ea S ta d rdexis tsinthre ofic ialvers ions (Englis h,Frenc h, Germa )

Avers ion in a yother language made b tra s lation u der the res po s ibiityofa

C Nmemberinto its ownlanguage a d n tifiedto theCentralS ec retariat h s the

s ame s tatusastheofic ialvers io ns

C Nmember are the n tio al s ta d rds b die s of Aus tria, B elgium, Cz e c h

Re pu lic , Denmark, Finla d, Fra c e, German , G re c e , I c e lan , Irela d, I taly,

L xembo rg, N etherlan s , N orwa, Portugal, S pain, S weden, S witz erlan and

UnitedKingdom

Trang 4

EN 192 2 : 199

F orewo rd

ThisEuro ea S ta d rdh s be nprep redb

Tec hnic alCommitte CEN /TC3 0 4, Ch rac terS et

Tec hn logy,thes ec retariatofwhic hisheldb S TRI

ThisEuro ea S ta d rds upers edes

EN V415 0 4:19 90(drawnu b C N /C N ELEC/IT/

WG -CS C)

ThisEuro ea S ta d rds hal begiventhes tatusofa

n tionals tandard, eitherb public atio ofa identic al

textorb en o rs ement,atthelate s tb Marc h199 8 ,

a dc onflic tingn tio als ta d rds s ha bewith rawn

atthe late s tb Marc h199 8

Thiss ta d rdisa a a leinEnglis ha dG e rma o ly

Ac c ordingtotheCEN /CEN ELEC I ntern lRe gulatio s ,

then tio als ta d rdsorganiz ationsofthe fo owing

c ou triesareb u dtoimple ment hisEuro ea

S ta d rd:Aus tria,Be lgium, Cz ec hRep blic , De nmark,

Finlan ,Fra c e, German , Gre c e,Ic ela d,Irela d,

Italy, L xemb urg,N e therlan s ,N orwa,Portugal,

S pain, S weden,S witz erlan a dtheUnited Kingdom

C onte nts

Page

5.1 Co formanc e ofinformatio

7 1 Co ingmeth dsforL tinrepertoire 5

7 2 Co ing meth dsforL tin a dG re k

7 3 Co ingmeth dsforc ontrolc harac ter 5

An exes

A (normative) Exten edrepertoire for

B (informative)Ap lic ationtoL tina d

Trang 5

EN 192 2 : 199

1 Sc o p e

ThisEuro ea S ta d rds pec ifies the gra hicc harac ter

repertoirea dc ontrolfu c tions re lev ntfor

informatio interc ha ge viaTe lexs ervic es I tis

intendedtobeus edwitha didentifiedwithinother

Euro e anfu c tio als ta d rdsth ts pec ifys tringsof

c ode d c harac te rs fortheinte rc ha g ofc oded

informatio betwe eninformatio proc e s s ing s ys tems

(I PS ) viaTele xs ervic es

Thiss ta d rds pec ifiestwoaltern tiveo tio sfor

gra hicc harac terrepe rtoires :

±o tio AforL tingra hicc harac ters ; a d

±o tio BforL tina dG re kgra hicc harac ters

N T T h eas ign m en tofch ara t er t ot h re oft h ec d e

p sit ion sisout sid et h esc p oft h is t an d ard Su chas ign m en tis

subje tt on at ion alorpriv t ea re m en t

2 No rmative referenc es

ThisEuro ea S ta d rdinc orp rates b d tedor

u d tedreferenc e, pro is ionsfomotherp b c ations

Thes e n rmative referenc es arec ited atthe

a pro riate plac es inthetexta dthe public ationsare

lis te dhereafter Ford tedre ferenc es , s ubs eq ent

amen mentstoorre vis ionsofa yofthes e

p blic ations a plytothis Euro ea S ta d rdonly

wheninc orp rate db amen me ntorre vis ion For

u d tedrefe renc e sthelates teditio ofthep blic atio

refe rre dtoa plie s

prEN19 23 Eu ropeancharacterrepertoi re

and thei rcodi ng Ð8-bi t

s i ngle-bytecodi ng

IS O/IEC6 429 Infrmati ontechnologyÐContr l

functi ons frcodedcharacters ets

IS O/IEC8 8 5 9-1 Infrmati onpr ces si ngÐ8-bi t

si ngle-byte codedg a hi c

characters ets ÐPart1: Lati n

alp abetNo.1

IS O/IEC8 8 5 9-7 Infrmati onpr ces si ngÐ8-bi t

si ngle-byte codedg a hi ccharacter

s tsÐPart7:L ati n/Greekalp abet

IS O/IEC10 6 46-1 Infrmati ontechnology- Uni v ers al

mu lti ple-octetcodedcharacters et

(UCS) - Part1: Archi tectureand

basi cmu lti li ngu alplane

ITU-T

Rec ommen ation

S 1,19 3

Internati onalT egra hAlp abet

No 2

ELOT10 9 5 Ch racters ti ntendedtobe u s ed

i ntheHelleni cT exand

telegra hi cs rvi ce(i nGre k)

3 D efinitio ns

Forthep rp s es ofthiss ta d rdthe definitio sgiven

inIS O/I EC10 6 46 -1a dthe following a ply

3.1 CC-d ata-element

Aneleme ntofinterc ha gedinformatio th tis

s pec ifiedtoc ons is tofs eq enc esofc oded

repres entatio s ofc harac ters , inac c ord nc ewitho e

ormoreidentifie ds ta d rdsofc oded c harac ters ets

3.2de ice

Ac omp nentofinformationproc es s ingeq ipment

whic hc antra s mit, a d/orc anrec eive,c oded

informatio withinCC-d ta-elements (Itmaybea

inputoutputdevic einthec on entionals ens e,ora

proc es ss uc has a a p c atio programorgatewa

func tion)

3.3u ser

Apers onorotherentityth tin o es thes ervic es

pro ide d b ade vic e.(Thisentitymaybe aproc es s

s uc hasa a p c atio programifthe`devic e 'is ac ode

c on erteroragatewa fu c tion,forex mple )

4 D es c rip tio n

Withinthe s c opeofthiss ta d rdtheproc es s ingof

informatio interc ha geviaTe lexnetworkeq ipment

isasinfigure1.Informatio proc es s ings ys tems(IPS )

workwithc harac ters e tsa dc odingina IS O8 -bit

e nviro ment,a dthe s es ys te msne ed to c ommunic ate

viatheintern tio alTelexs ervic e ,withtheres tric tion

o c odinga d c harac ter this imples Thiss ta d rd

definesatra s formatio mo uleth twill

tra s form8 -bitCC-data-eleme nts (IPSs ide ) in

ac c ord nc e witha o tionofprEN19 3into5 -bit

C -data-elementsinac c ord nc e withITU-T

Rec ommen ationS 1(Te lexs ide) a dvic eve rs a,wh e

retainingasmuc hasp s s ible ofthe c harac te r

repertoire'sfu c tio a ty

This tra s formationmod ledealso lywith the

repertoire ofc laus e6ofthiss ta d rd, wh ethe

tra s formatio ofC -d ta-elements otherth n th s e

c onforming toc la s e6is o ts idethes c opeofthis

s ta d rd

Ina dition, 6.2.2s pec ifies aGre kc harac ter

repertoire,as in ELOT10 95

Itfollowsfom this , th tthe devic etowhic h

c onformanc einac c ord nc ewith5.2 a ples is the

tra s formatio mo ule, a dtheus eristheI PS

Onetra s formationmod lema bereplac edb a

s en ingorrec eivingTele xte rminal

N T E.T h is t an d ardd oesn otd escrib t h ein tern ation alTelex

servic I nt h epre arationoft h is t an d ardth esp cific t ionoft h e

in t ern at ion alTelexservic w asasu m edt ob asinIT U - T

R ec m m en d ationS.1 oro tionA,an dinI T U - T

R ec m m en d ationS.1an dEL OT10 5foro t i onB,resp ct iv ly

T h eu se ft h et h re c d ec m bin at ion sinFigu reSh iftint h e

Telexc d e,wh ichh av b enreserv dforn at i on alorpriv t eu se,

isout sid et h esc p oft h is t an d ard

Trang 6

EN 192 2 : 199

Fig ure1

5 Co nfo rmanc e

5.1 Confor mance ofi nfor mat i on i nt er chang e

AC -data-eleme ntwithinc odedinformatio for

inte rc ha g isinc onforma c e withthis s ta d rdifal

thec odedrepres e ntatio s ofc harac ter within th t

CC-data-elementc onform tothereq ireme nts of

c la s e 7ofthis s ta d rd.Ac laimofc onforma c e s hal

identifytheo tio a o ted ass pec ifiedin c laus e 8

5.2 Confor mance ofde i ces

5.2.1 G ene al

Adevic eis inc onformanc e withthiss ta d rdifit

c onformstothe req ireme nts o f5.2.2,a deitheror

b thof5.2.3 a d5.2.4 Ac laim ofc onformanc es ha

identifythed c umentswhic hc ontainthedes c riptio

s pec ifiedin5.2.2a ds ha identifytheo tio a o ted

5.2.2De ic d es ript ion

Ade vic eth tc onformstothis s ta d rds hal bethe

s ubjec tofades c riptio th tidentifies the me ans b

whic htheus ermays up lyc harac te rstothe devic e,or

ma rec ogniz ethe mwhe ntheyarema e a ailable to

him,ass pec ifiedres pec tive lyin5.2.3and 5.2.4

5.2.3Origin t ing d evic s

Anoriginatingdevic es hal a owits us ertos up lya y

s eq enc eofc harac te rsc onformingtothea o ted

o ptionofthiss ta dard,a ds ha bec ap bleof

tra s mitingtheirc odedrepre s entationswithin a

CC-d ta-ele ment

5.2.4Re eiving d evic s

Arec e ivingde vic e s ha bec ap bleofrec eivinga d

interpretinga yc odedrepres e ntatio sofc harac ter

th tarewithinaCC-d ta-ele ment, a dth tc onform

to5.1 ofthiss ta d rd,a ds hal makethe

c ores po dingc harac ter a ailabletoits us erins uc h a

wa th titsus e rc anidentifythemfomamo g th s e

o fthea o tedo tion,a dc andis tinguis hthe m fom

e ac hother

6 Rep erto ire des c rip tio n

6 1 R ep r t oi reo t i on s

Thiss ta d rds pec ifiesthefollowingtwogra hic

c harac terre pertoires :

±o tion A:L tingra hic c harac terrepertoire

(6.2.1);or

±o tion B:L tina dG re kgra hicc harac ter

re pertoire(6.2.1 and 6.2.2)

6 2Graphic cha r a cter s

6 2.1 Lat ingraphiccharact err pe t oir

TheL tingra hic c harac terre pertoire c ons is ts of:

±the c harac ter`s pac e ';

±the2 L tinleter `A'(a)thro ghto`Z '(z );

±the10digits `z ero'thro ghto`nine'

±the fo owingp nc tu tio a d mis c ellaneous

c harac te rs :

fu s to ;

, c omma;

: c olo ;

? q es tio mark;

' a os tro he;

+ pluss ign;

- h phen-minus ;

/ s old s ;

= eq alss ign;

( leftp renthes is ;

) rightp renthe s is ;

±thre u identifiedc harac ters , s een te1a d

a nexA

Inthisrepertoire, n dis tinc tio is madebetwe nthe

c apitala ds ma fo rmsofthe s amele tte r.However, a

tra s mittingpro uc ts hal allowitsus e rtos up lya y

lete rineitheritsc apitalorits lowerc as e form

N T E.1.IT U - TRe om m en d at ionS.1c n t ain st h re c d e

c m bin at i on sforw h ichn og ra h icch ara t er h av b en

d et erm in ed Th esele t ionoft h esech ara ter isleftt on at ion alor

re ion alag re m en t

N T 2.T h euseofext rac n t rolfun ct ion st od ist in g uishb t w een

t h ec pit alan dt h esm al form soft h esam elet t eris u bje tt o

n at ion alorpriv t ea re m en t

Trang 7

EN 192 2 : 199

6 2.2G re klet t ercas

TheG re kgra hicrepertoire c ons is ts ofthe2 (25 )

Gre ekleter `alph 'to`omega' s e eAn exB

Thisrepertoiremakesn dis tinc tio betwe nthe

c apitala dlowerc as eformsofthes ame lete r, n r

be twe enthe s mal Gre ekle tte r`s igma'a dthe s mal

Gree kleter`terminals igma' However,atra s miting

pro uc ts hal a owitsus ertos up lya yleterin

e ithe ritsc apitalora yo fitslowerc as e forms

N T E.Asp cialc n t rolfu n ct ionispro id edb t h eTelexservic

t osh iftb t w eenL at i an dGre kg ra h icch ara t er e ert oires,

se EL OT10 5

6 3 Con trolfu ncti ons

Therepertoireofc ontrolfu c tio ss ha c ompris ethe

followingthre c ontrolfunc tions :

±li efe d;

±c ariagereturn;

±bell

N T E.T h ec n t rolfu n ct ionWR U(`Wh oareyou?')isu sedon ly

d u rin gt h eest ab sh m en tan dc n firm ationofac n n ect ion ,w h i ch

isout sid et h esc p oft h isst an d ard

7 Coding metho ds

7 1 Cod in g met hods for Lat i ngr a phic cha ra cter

r ep r t oi r e

Informatio rec eivedat he5 -bits ideofthe

tra s formatio mo ule,whic hisc ode d inac c ord nc e

withITU-TRec omme nd tio S 1, s ha s ubs eq entlybe

tra s formedtobe c odedattheinformatio proc es s ing

s ide(8-bits ide) inac c ord nc ewiththe G0s etof

IS O/IEC8 8 5 9 -1,exc e ptth t he thre eu identifie d

c harac ter mentio edin n te1to6.2.1 ne dn t

nec e s s ariybe lo gtotheG0s e t

Afte rthis tra s formatio ,thealp a eticc harac te rs

s hal a bere pres ente d eitherb the c odesforc apital

lete rs , orb thec odes forlowe rc as e leters , u les s

agree dothe rwis e b thec ommu ic atingp rtie s

Informatio rec eivedat he tra s formatio mo ule

fomthe8 -bits ides ha initiallybec oded in

ac c ord nc e withIS O/IEC8 8 5 9-1,with uta y

res tric tionso theus eoflowerc as e orc apital ete rs

S ubs eq entlyits hal betra s formedb the

tra s formatio mo ule tobe c ode datthe5 -bits idein

ac c ord nc e withITU-TRec ommen atio S 1

7 2 Cod ing met hods for Lat i nandG re kgra phic

char act er r ep r t oi r e

Informatio rec eivedat he5 -bits ideofthe

tra s formatio mo ule,whic hisc ode d inac c ord nc e

withITU-TRec omme nd tio S 1a dELOT10 95 , s ha

s ubs eq entlybe tra s formedtobec odedatthe8 -bit

s ideinac c ord nc ewithIS O/IEC8 8 5 9-7 Afterthis

tra s formatio , the L tina dG re kleter s ha al be

repre s entedb thec odesforc apital ete rs

Informatio rec eivedat he tra s formatio mo ule

fomthe8 -bits ides hal bec odedin ac c ord nc e with

IS O/IEC8 8 5 9 -7,with uta yres tric tionso theus e of

lowerc as e orc apitalle tters S ubs eq e ntlyits hal be

tra s formedb thetra s formationmod letobe c oded

atthe5 -bits ideinac c ord nc e withITU-T

Rec ommen ationS 1a dELOT10 9 5

Co e c ombin tions17a d2 in ELOT10 95 , whic hh ve

n Gree kleter as s igne dtothem,s ha n tbeus edin

Gree kleterc as e

7 3Cod ing met hods forcont r ol fu nct i ons

Forthec ontrolfu c tio repertoires pec ifiedin6.3

8-bits ingle -bytec odings hal beus edass pec ifie dfor

the C0s etofIS O/IEC6 429

7 416 /3 coding envi r onment s

Thes amedes c riptio c anbeus e dwhe n thec oding

e nviro me ntintheIPSs ideistheo ein

IS O/IEC10 6 46 -1

8 I dentific atio n ofo p tio ns

Ifare ferenc etothis s ta d rdisma eina other

s ta d rd,therepertoires hal be c learlyidentified

Ta le1 s ummariz e stheo tio sdefined b this

s ta d rd

Table1

Optio

r f r nc

Repe toir

A L tingra hic c harac terrepertoire a d

c ontrolfuc tio s

B L tina dG re kgra hic c harac ter

re pertoires a dc ontrolfu c tio s

AnnexA (no rmative)

Extended rep erto ire for natio nal o r

private us e

Thec odeta leofI TU-TRec ommen ationS 1 c ontains

thre u identifiedc ode c ombinatio swhic hmaybe

a p edforn tion lorpriv teus e

Forthegra hicc harac ter s e lec ted, the s ame c oding

meth dass pec ifiedin7.1 s ha beus edo the8 -bit

s ideexc eptth tthea pro riate bit-c ombinatio s nee d

no tne c e s s arilybe fomtheG0s et

AnnexB (informative)

Ap plic ation to L atin and Gre e kgraph i c

c harac ter repertoires

Wh e ininformatio proc es s ings ys te msorin

informatio interc ha gebetwee ns uc hs ys temsthe

Gre ekleter s pec ifie din6.2.2c anbeus edin

c ombin tio withtheL tinleter in6.2.1; inthe Telex

s ervic ethetworepertoires c ano lybe us ed

altern tely

Theatac he dta leB 1s howstherele va tc oding forms

inac c ord nc e with ELOT10 95 I nordertobea le to

inte rpre tthec ode c ombinatio sc ore c tly,c ode

c ombin tio n mber2 isinterpretedasL tinlete r

`s hift' a dc ombinatio n mber3 2is interpretedas

Gre ekleter`s hift' This extens ionofthec ontrol

c ombin tio sis inac c ord nc ewith4 7.3 ofITU-T

Rec ommen ationS 1:199 3 Itc anals obeus edb a

tra s formatio mo uletodeterminewhethe rforthe

c odingofthealph be ticc harac ter the c oded

repres entatio oftheL tinortheG re kleter is tobe

us ed

Trang 8

EN 192 2 : 199

Ta bl e B.1

Combina tio n mbe L tinlet e case Gr eeklet e case

N ame sofGree kc harac te rs

Trang 10

B S I

3 8 9Chis wic kHighRoa

L ndon

W44AL

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B S Iisthein epen e ntn tio alb d res po s ibleforprep ringBritis hS ta d rds It

pres entstheUKviewo s ta d rdsinEuro ea dat heintern tio allevel I tis

inc orp ratedb Roy lCh rter

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