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Модемы, модемные стандарты, принцип работы

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Ieai ?aoa?aoa:

Aaaaeaiea.

Eiaeeeaoi?u aiaoiaai iiaeaia.

a) noaiaea?oiua eiaeeeaoi?u.

b) iaiaa ?ani?ino?aiaiiua eiaeeeaoi?u ninoiyiey.

c) eiaeeeaoi? ei??aeoeee ioeaie e oaeneieeueiiai ?aaeeia.

d) ae?oaea niaoeeaeece?iaaiiua eiaeeeaoi?u.

Iiaeaiiua noaiaea?ou.

oe?iu onoaiiaeaoea yoe noaiaea?ou.

oaaeeoea noaiaea?oiuo ia?aiao?ia iiaeaiia.

oaaeeoea nei?inoe iiaeaiia a caaeneiinoe io eo i?eiaiaiey.

oaaeeoea i?aeoe/anee iieo/aiiuo iieacaoaeae nei?inoe iiaeaia e oeaiu
(ca ieiooo) i?e oaeaeiioa?aioeee a naoe CompuServe.

Iiaeaiiua niaianoeiinoe.

Iiaeai eae oaeneieeueiue aiia?ao.

Aaaaeaiea

IIAeAI – ooieoeeiiaeueiia ono?ienoai, iaania/eaathuaa iiaeoeyoeeth e
aeaiiaeoeyoeeth neaiaeia; ono?ienoai i?aia?acothuaa oeeo?iaua neaiaeu a
aiaeiaiaoth oi?io e ia?aoii aeey ia?aaea/e eo ii eeieyi nayce
aiaeiaiaiai oeia.(auienea ec oieeiaiai neiaa?y ii eioi?iaoeee)

Nae/an iu ana iaaethaeaai eiiiuethoa?iue aoi a iaeanoe
oaeaeiiioieeaoeee, n ia?iiiie nei?inoueth ?acaeaathony naoe, eioi?ua eae
aeaaioneay iaooeia iioouaatho ie? (iaeioi?ua aeaeyo a yoii oa?ico).Ii
caaea?ony aii?in: «Ii n?aaenoaai /aai yoi ana iiaeao i?ienoiaeeoue?» Eae
/anoiue iieueciaaoaeue ia?niiaeueiiai eiiiuethoa?a iiaeao i?iieeiooue a
ia?iiiue ie? ie?iaie eioi?iaoeee? Ioaao i?ino: «N iiiiuueth iiaeaia», –
iaeaiueeiai ono?ienoaa ?yaeii n eiiiuethoa?ii e oaeaoiiiie eeiee eee
aeaaea i?inoie ieaou a eiiiuethoa?a. Iiaeaiu ana oneeeaatho e oneeeaatho
naie ooieoeee, iiaeaiu oaea aeaaea iinueatho e i?eieiatho oaenu, eae
ciaoue, /oi aeaeao eo a aoaeouai. ?uiie iiaeaiia ?anoe?yaony. Iaeii
iieieaiea iiaeaiia niaiyao ae?oaia, nei?inoue ia?aaea/e eioi?iaoeee ana
?ano?o e ?ano?o. Iiaeai yaeyaony nooiaiueeie e iauaio eioi?iaoeeiiiiio
i?ino?ainoao. Eiaiii ii yoiio iia iieacaeinue eioa?aniui e iieaciui
eco/eoue yoo i?ia?anneaioth e aaaeioth oaio a eiiiuethoa?iii ie?a.
Aaconeiaii nouanoaoao ianeieueei oaeeo oai, eioi?ua oaeaea iaoiaeyony a
ao?iii ?acaeoee (iai?eia? ioeueoeiaaeea), ii oae eee eia/a iie naycaiu n
iiaeaiaie e eo eniieueciaaieai.

Ia/aoue ?anniio?aiea iiaeaiia y oi/o i?aaeaea anaai n iauyniaiey eo
aiaoieo eiaeeeaoi?ia.(y ?anniio?th oieueei eiaeeeaoi?u aiaoieo iiaeaiia
oae eae aioo?aiiea iau/ii eie ia iaeaaeatho).

Eiaeeeaoi?u

HS AA Cd OH RD SD Tr MR RS Cs SYn

Syn ARQ/FAX

HS (Aunieay nei?inoue )

Iacia/aiea. Yoio eiaeeeaoi? ?aaioaao iinoiyiii i?e onoaiiaeaiee aaie
nayce ia naiie aieueoie nei?inoe, aeinooiiie aaoaio iiaeaio. A iaeioi?uo
iiaeaiao eiaeeeaoi? ?aaioaao a ioeuene?othuai ?aaeeia.

?aaeei ?aaiou. Aieueoay /anoue eiaeeeaoi?ia HS inoa?ony a ?aai/ai
ninoiyiee ni a?aiaie onoaiiaeaiey nayce ia aunieie nei?inoe aei
iineaaeothuaai naaina.(oioy aeey oi/iiai ii?aaeaeaiey naiaai iiaeaia
eo/oa ia?aoeony e ?oeiaiaenoao iieueciaaoaey)

AA (Aaoiioaao / ioaao ia aucia)

Iacia/aiea. ?aaioa yoiai eiaeeeaoi?a aiai?eo i aioiaiinoe iiaeaia
ioaaoeoue ia iinooieaoee aucia.

?aaeei ?aaiou. Aeeth/aaony iaiin?aaenoaaiii ia?aae oai, eae iiaeai
ioaa/aao ia aucia. A iaeioi?uo iiaeaeyo ia a?aiy nayce n ae?oaei
aaiiaioii yoio eiaeeeaoi? ioeeth/aaony; ae?oaea iiaeaiu inoaaeytho
eiaeeeaoi? aeeth/?iiui ia i?ioyaeaiee anaai naaina nayce.

CD (Iaia?oaeaia ianouay)

Iacia/aiea. ?aaioa yoiai eiaeeeaoi?a aiai?eo i oii, /oi aao iiaeai auoae
a ?aaeei nayce n oaeae?iiui iiaeaiii. Iiaeai /eoaao neaiaeu ianouee
ae?oaiai iiaeaia, e aeaa iiaeaia ia/eiatho naain nayce iaaeaeo niaie.

?aaeei ?aaiou. Aeoeaece?oaony i?e onoaiiaeaiee nayce ii oaeaoiiiie eeiee
e a ia/aea naaina nayce iaaeaeo aeaoiy iiaeaiaie. Iiaeaiu, i?aaaea,
iiaoo «?acaiaa?eaaoue» ia ?aciuo ycueao, iaeiaei ia ?aaioo eiaeeeaoi?a
yoi ia aeeyao.

OH (Eieoeeaoeey oaeaoiiiiai auciaa)

Iacia/aiea. Aeeth/aiea yoiai eiaeeeaoi?a aiai?eo i oii, /oi iiaeai auoae
a oaeaoiiioth eeieth e aioia inouanoaeyoue iaai? iiia?a n oeaeueth
onoaiiaeaiey nayce n ae?oaei iiaeaiii. I?eia?ii oae aea, eae yoi
i?ienoiaeeo i?e niyoee o?oaee oaeaoiiiiai aiia?aoa.

?aaeei ?aaiou. Aeeth/aaony i?e eieoeeaoeee oaeaoiiiiai auciaa e i?e
oniaoiii niaaeeiaiee e onoaiiaeaiee aeeaeiaiaiai ?aaeeia n ae?oaei
iiaeaiii. Oio, eoi caiieo aai, aoaeao neuoaoue a yoi a?aiy neaiae
«caiyoi».

RD (I?e?i aeaiiuo)

Iacia/aiea. Yoio eiaeeeaoi? n?aaaouaaao i?e iieo/aiee iiaeaiii eaaeaeiai
aeoa aeaiiuo.

?aaeei ?aaiou. Aeeth/aaony a aeeaeiaiaii ?aaeeia i?e ia?anueea
oaeae?iiui eiiiuethoa?ii naiaai iaith e ae?oaie eioi?iaoeee, a oaeaea,
eiaaea au caaeaenoaoaoa naie iiaeai aeey i?e?ia e caa?ocee oaeea. Anee
i?ioeann caa?ocee oaeea i?aauoaao onoaiiaeaiiia a?aiy, eiaeeeaoi?
iiaeneaaeao aai ia yoii.

SD (Ia?anueea aeaiiuo)

Iacia/aiea. Yoio eiaeeeaoi? n?aaaouaaao i?e ia?anueea eaaeaeiai aeoa
aeaiiuo.

?aaeei ?aaiou. Ai a?aiy naaina n ae?oaei iiaeaiii, i?e ia?aaea/a
eioi?iaoeee ia ae?oaie eiiiuethoa?. Ai a?aiy ia?aaea/e eiaeeeaoi?
iiieaeaaao eee iinoiyiii aeeth/?i.

TR (Aioiaiinoue aeaiiuo oa?ieiaea)

Iacia/aiea. Eiaeeeaoi? caai?aaony i?e aeeth/aiiii iiaeaia e aai ?aaioa n
i?ia?aiiiui iaania/aieai e eiiiuethoa?ii. Eiiiuethoa? ii
iineaaeiaaoaeueiiio eaaaeth iinueaao ia iiaeai neaiaea DTR.

?aaeei ?aaiou. Eiaeeeaoi? aeoeaai i?e caa?ocea i?ia?aiiiiai iaania/aiey
iiaeaia, aeeth/aiiii ieoaiee e i?e aania?aaieiie ?aaioa ono?ienoaa.

MR (Iiaeai aioia e ?aaioa)

Iacia/aiea. Eiaeeeaoi? n?aaaouaaao i?e aeeth/aiee iiaeai e i?e
iiaeeeth/aiee aai e naoe.

?aaeei ?aaiou. I?e aeeth/aiee iiaeaia. A oae aea i?e naiioanoe?iaaiee.

Iaiaa ?ani?ino?aiaiiua eiaeeeaoi?u ninoiyiey iiaeaia

RS ( Cai?in ia ia?anueeo aeaiiuo)

Iacia/aiea. Yoio eiaeeeaoi? ?aaioaao i?e ia?anueea eiiiuethoa?ii neaiaea
RTS ia iiaeai ( a caaeneiinoe io eiioeao?aoeee AO- eiiaiaeu).

?aaeei ?aaiou. Aeeth/aaony ai a?aiy naaina nayce, eiaaea eiiiuethoa?
cai?aoeaaao iiaeai i ia/aea ia?anueee aeaiiuo.

CS ( Ia?anueea eioi?iaoeee)

Iacia/aiea. N?aaaouaaao i?e iiaoi?iie ia?anueea aeaiiuo, a caaeneiinoe
io eiioeao?aoeee AO-eiiaiaeu.

?aaeei ?aaiou. Ai aia?aiy nayce , eiaaea iiaeai niiauaao eiiiuethoa?o ,
/oi iiaeii ia/eiaoue ia?anueeo aeaiiuo.

SYN ( Neio?iiiue ?aaeei )

Iacia/aiea. Iiaeai ?aaioaao a neio?iiiii ?aaeeia. Yoi aeiaieueii ?aaeeee
?aaeei ?aaiou ia?niiaeueiiai eiiiuethoa?a, eniieuecoaiue aieueoeie
iaoeiaie e niaoeeaeueiuie ono?ienoaaie ( eae , iai?eia?, aaoiioaao/eee).

?aaeei ?aaiou. Ai a?aiy naaina nayce a neio?iiiii ?aaeeia.

Eiaeeeaoi? ?aaeeia ei??aeoeee ioeaie (ARQ) e oaeneieeueiiai ?aaeeia
(Fax)

Iacia/aiea. ?aaioa yoiai eiiaeie?iaaiiiai eiaeeeaoi?a aiai?eo i oii, /oi
iaia?oaeai neaiae ei??aeoeee ioeaie ia ae?oaii eiioea nayce e iiaeai
?aaioaao a yoii ?aaeeia. Eiaeeeaoi? oaeaea iaicia/aao, /oi iiaeai
ooieoeeiie?oao a oaeneieeueiii ?aaeeia.

?aaeei ?aaiou. Ai a?aiy naaina nayce a ?aaeeia ei??aeoeee ioeaie i?e
niioaaonoaothuae eiioeao?aoeee AO-eiiaiaeu.

Ieaaiea eiaeeeaoi?a ARQ/FAX . Oeacuaaao ia ?aaioo iiaeaia a ?aaeeia
ia?anueee eee i?eaia oaeneieeueiuo niiauaiee.

LB ( Ieceia iai?yaeaiea aeeoioeyoi?a iiaeaia)

Iacia/aiea. Oeacuaaao ia ieceia iai?yaeaiea ii?oaoeaiiai aeeoioeyoi?a
iiaeaia.

?aaeei ?aaiou. I?e ?ac?yaeea aaoa?ae aeeoioeyoi?a.

Ae?oaea niaoeeaeece?iaaiiua eiaeeeaoi?u

Oaeea eiaeeeaoi?u iiaeii ano?aoeoue eeoue ia iaeioi?uo iiaeaeyo
iiaeaiia.

TXD ( Ia?aaea/a aeaiiuo)

Eiaeeeaoi? ia?aaea/ aeaiiuo iiaeaiii /a?ac iineaaeiaaoaeueiue ii?o
eiiiuethoa?a.

RXD (I?eai aeaiiuo)

Eiaeeeaoi? i?eaia aeaiiuo ia iineaaeiaaoaeueiue ii?o eiiiuethoa?a.

EC ( Oi?aaeaiea ioeaeie )

Eiaeeeaoi? ooieoeeiie?oao i?e ?aaioa a ?aaeeia ei??aeoeee ioeaie eee
naeaoey aeaiiuo.

SQ ( Ea/anoai neaiaea)

Eiaeeeaoi? ea/anoaaiiiai naaina nayce; ieaaao i?e iin?aaenoaaiiii
niaaeeiaiee.

TST (Oanoe?iaaiea)

Eiaeeeaoi? auiieiaiey iiaeaiii naiioanoe?iaaiey.

Iiaeaiiua noaiaea?ou

Oaia?ue y oi/o ?anniio?aoue noaiaea?ou iiaeaiia, ii ia?aae yoei y oi/o
neacaoue eaeea oe?iu yoe noaiaea?ou onoaiiaeee e onoaiaaeeaatho:

Ia?aua noaiaea?ou a iaeanoe oaeaoiiiie nayce, yeaeo?iieee e
au/eneeoaeueiie oaoieea auee onoaiiaeaiu eiieoaoii oe?iu AT&T.

Oe?ia Microcom Networking Protocol (a? noaiaea?o ecaanoai iiae iacaaieai
MNP).

CCITT (Comite Consultatif International de Telegraphique et
Telephonique) – Iaaeaeoia?iaeiue eiinoeueoaoeaiue eiieoao ii oaeaa?aoee
e oaeaoiiee, oiieiiii/aiiue i?eieiaoue i?ioieieu a iaaeaeoia?iaeiii
ianooaaa.

Noaiaea?ou Class 1, Class 2, e Class 2.0, ?ac?aaioaiu annioeeaoeeae
i?iiuoeaiiuo n?aaenoa oaeaeiiioieeaoeee (Telecommunications Industry
Association, TIA).

Noaiaea?o CAS, nicaeai niaianoiuie oneeeyie ei?ii?aoeee Intel Digital
Communications Associates.

Noaiaea?o SendFax ?ac?aaioai eiiiaieae Sierra Semiconductor. (noieiinoue
SendFax-iiaeaiia ?aiueoa auea cia/eoaeueii ieaea noieiinoe
iai?oaeiaaiey, niiniaiiai eae ioi?aaeyoue, oae e i?eieiaoue niiauaiey.
Ii oaia?ue, anee oieueei au ia i?iaeieaeaaoa iieueciaaoueny SendFax-
iiaeaiii, n eioi?ui aai ii/aio-oi aeaeei ?anoaoueny, iao ieeaeeo i?e/ei
aaniieieoueny i iiaeaea?aeea yoiai noaiaea?oa eiiioieeaoeeiiiui
i?ia?aiiui iaania/aieai)

A oaaeeoea i?eaaaeaiu iaeaieaa noaiaea?oiua ia?aiao?u iiaeaiia

Iacaaiea noaiaea?oa Oa?aeoa?enoeea

Bell 103 Nei?inoue 300 bps (aeo/nae)

Bell 212 1200 bps

V.21 300 bps

V.22 1200 bps

V.22bis 2400 bps

V.32 9600 bps

V.32bis 14 000 bps

V.32 turbo 19 200 bps ?anoe?aiea io V.32bis
aei V.Fast

HST Iioeiaeueiue noaiaea?o aeey acaeiiaeaenoaey n aunieinei?inoiuie
iiaeaiaie oe?iu US Robotics

V.Fast Nei?inoue aei 28 800 bps

MNP 1,2,3 Ei??aeoe?oao ioeaee oaeaoiiiie eeiee ai a?aiy naaina nayce

MNP 4 Ei??aeoeey ioeaie , aaeaioe?othuay iaeaou aeaiiuo e oneiaeyi
oaeaoiiiie eeiee

LAPM Ei??aeoeey ioeaie

V.42 Ei??aeoeey ioeaie , acaeiiaeaenoaoao n MNP 2-3 e LAPM

ARQ Ei??aeoeey ioeaie , acaeiiaeaenoaoao n iaeioi?uie oeiaie iiaeaiia

MNP 5, MNP 7 Naeeiaao aeaiiua ai a?aiy naaina e i?e ia?aaea/a oaeeia
(aei niioiioaiey 2:1)

V.42bis Naeeiaao aeaiiua aei niioiioaiey 4:1

Group I Naiue ia?aue noaiaea?o aeey oaeneieeueiuo aiia?aoia (FAX
noaiaea?o)

Group II Aieaa auno?ue, /ai Group I

Group III Niaianoeiue n Group II; iiaeaea?aeeaaao nei?inoue 2400 bps (e
auoa) i?e ?aaioa oaeneieeueiuo aiia?aoia e oaeniiaeaiia; iaania/eaaao
iaeeo/oaa ea/anoai ia/aoe (?ac?aoathuoth niiniaiinoue)

Group IV Noaiaea?o aeey oaeneieeueiuo aiia?aoia aeeth/athuee Group III:
iiaeaea?aeeaaao nei?inoue e 19 200 bps naeaoea aeaiiuo

Class 1 Noaiaea?o aeey oaen iiaeaiia; iiaeaea?aeeaaaony aieueoeinoaii
i?ia?aii

Class 2 Nei?inoiie noaiaea?o, i?e eioi?ii oaeneieeueiua aiia?aou
auiieiytho iniiaioth ?aaioo eiiiuethoa?a; iiaeaea?aeeaaaony oaeaea
i?ia?aiiiui iaania/aieai aeey oaeneieeueiuo aiia?aoia

Class 2.0 Nei?inoiie noaiaea?o, i?aaeoniao?eaathuee ia?anueeo e i?e?i
oaen-iiaeaiaie oaeeia aeaiiuo

Cas Noaiaea?o oe?iu Intel Corporation aeey oaen-iiaeaiia,
onoaiaaeeaathuee ?aaeei niaianoiie ?aaiou eiiiuethoa?a e oaen-iiaeaia
aeey ia?anueee e i?e?ia aeaiiuo, iiaeaea?aeeaaaony aieueoeinoaii
i?ia?aii aeey oaeneieeueiuo aiia?aoia

SendFax Noaiaea?o iiaeaea?aeeaathuee oieueei ia?anueeo oaeneieeueiuo
eiiee

V.17 Niaeanii Group III nei?inoue ia?anueee oaeneieea aei 14 400 bps
aeey oaen-iiaeaiia e 9600 bps aeey oaeneieeueiuo aiia?aoia

Au? e i?aaenoaaeaiiui auoa noaiaea?oai y oi/o aeiaaaeoue iaaeyaeioth
oaaeeoeo noaiaea?oecaoeee nei?inoe iiaeaiia a caaeneiinoe io eo
i?eiaiaiey.

Nei?inoue iiaeaia N eaeie oeaeueth ii iiaeao eniieueciaaoueny

300 bps

Aeey ?aaiou n ianoiie BBS.(oioy ia ana aeeaeiaiaua na?aeniua neoaeau
nae/an iicaieytho iieueciaaoueny eie oae eae iie i/aiue aeieai caieiatho
oaeaoiiioth eeieth, e aiiaua yoi i/aiue onoa?aaoay nei?inoue ia?aaea/e
eioi?iaoeee)

1200 bps Aeey ianoiie BBS.

2400 bps Yoi naiay ieceay nei?inoue i?iaeaaaaiuo naaiaeiy iiaeaiia
iiaeao oaeiaeaoai?youe, anee ia inouanoaeyaony ia?aaea/a aieueoeo
iauaiia eioi?iaoeee(iniaaiii ia aeaeueiea ?annoiyiey)

9600 bps Naiue oe?iei i?eiaiyaiue nae/an noaiaea?o. Iiaeaiu n oaeie
nei?inoueth (e auoa) auiieiytho ei??aeoeeth ioeaie e naeaoea aeaiiuo.
Iaeioi?ua aeeaeiaiaua na?aeniua neoaeau i?eaeeaeathony e oaeiio
cia/aieth nei?inoe, ca eneeth/aieai Internet. Iiiaea BBS ?aaioatho
eiaiii n yoeie ia?aiao?aie nei?inoe.

14 400 bps Oeaiu ia yoe iiaeaiu nae/an cia/eoaeueii oiaee (i?aaaea
ioaeii oaaaeeoueny /oi ia ei?iaea iaienai noaiaea?o V.32bis, o. E.
Iiiaea oe?iu ?aeeaie?otho aunieoth nei?inoue , eioi?ay aeinoeaaaony
oieueei i?e onoaiiaeaiee nayce n oaeie aea iiaeaeueth iiaeaia).

16 800 bps Oaeay nei?inoue aeinoeaaaony oieueei i?e onoaiiaeaiee nayce
n iiaeaiii oaeie aea iiaeaee. Iiiaea BBS i?aaeeaaatho naiei aaiiaioai
oe?ieee auai? aunieinei?inoiuo iiaeaiia aeey onoaiiaeaiey nayce.

19 200 bps Oi aea, /oi e 16.8Kbps-iiaeaiu

28 800 bps Iiiaea oe?iu ?aeeaie?otho naie iiaeaiu, n aunieinei?inoiui
noaiaea?oii V.Fast, iaeiaei iieueciaaoaee caaeatho aii?in: aeey oniaoiie
?aaiou ia oaeie nei?inoe, aeaaea n ei??aeoeeae ioeaie e naeaoeai
aeaiiuo, iaiaoiaeeiu eaeaaeueiua oaeaoiiiua eeiee – /oi i?aeoe/anee
ia?aaeueii – e oaeie aea iiaeai ia ae?oaii eiioea nayce – /oi oaeaea
i?iaeaiaoe/ii.

Oaia?ue iia iieacaeinue eioa?aniui i?aaenoaaeoue oaaeeoeo, eioi?ay
i?aaenoaaeyao i?aeoe/anee iieo/aiiua iieacaoaee nei?inoe iiaeaia e oeaiu
(ca ieiooo) i?e oaeaeiioa?aioeee a naoe CompuServe.

Caaea/a Nei?inoue Noieiinoue naaina nayce A?aiy auiie-iaiey Oeaia /
Ieiooa Iauay noiia

Caa?ocea oaeeia ii 2 Iaaeo 300 bps $6//an nauoa 18 /an $0.10 $108

1200 bps $8//an 4 /ana 32 iei $0.13 $36.26

2400 bps $8//an 2 /ana 16 iei $0.13 $18.33

9600 bps $16//an 34 iei $0.27 $9.07

*oaiea 25 Eaaeo oaenoiaiai oaeea a aeeaeiaiaii ?aaeeia 300 bps

1200 bps/

2400 bps $6//an

$8//an 14 iei

4 iei $0.10

$0.13 $1.40

$0.52

9600 bps $8//an 4 iei $0.27 $1.08

Ia?anueea aeeaeiaiaiai niiauaiey eee o/anoea a oaeaeiioa?aioeee 300 bps

1200 bps/

2400 bps $6//an

$8//an 1 /an

1 /an $0.10

$0.13 $6

$8

9600 bps $16//an 1 /an $0.27 $16

Ec oaaeeoeu aeaeii, /oi aieaa aunieay nei?inoue oi?ioa i?e caa?ocea
oaeeia. Anee au i?eieiaaoa o/anoea a oaeaeiioa?aioeee eee /eoaaoa
eioi?iaoeeth a aeeaeiaiaii ?aaeeia, oi aai neaaeoao ia?aeoe ia aieaa
ieceoth nei?inoue (iai?eia? ia 2400bps). Ii anee iieueciaaoaeue iaia?ai
?aaioaoue n aeeaeiaiauie neoaeaaie eee yeaeo?iiiuie aeineaie iauyaeaiee,
eioi?ua onoaiaaeeaatho ii/aniaoth iieaoo, aunieinei?inoiua iiaeaiu
yaeythony iaeaieaa i?aaeii/oeoaeueiuie e a yoii neo/aa. Iaeiaei ec
oaaeeoeu aeaeii, /oi yeiiiiey caaeneo e io oiai /oi iieueciaaoaeue
aeaeaao a aeeaeiaiaii ?aaeeia.

Iaeioi?ua niaianoeiinoe.

Hayes-niaianoeiinoue.

Oa?iei Hayes-niaianoeiinoue ia yaeyaony ei??aeoiui, oae eae
Hayes-noaiaea?oia nouanoaoao iiiai, ii eo/oa an? oaee eiaoue iiaeai n
yoie niaianoeiinoueth, oae eae yoi oi?inoeo ?aaioo a aoaeouai.

?a/aaay niaianoeiinoue.

Iiiaea iiaeaiu naaiaeiy ?aaioatho a ?aaeeia oaeneieeueiuo aiia?aoia.
Iiyaeythony oae aea iiaeaee n ?a/aauie oa?ieiaeaie. Iaeioi?ua
noia?nia?aiaiiua iiaeaiu, eae, iai?eia?, na?ey iiaeaiia ZyXEL U-1496,
eiatho aiciiaeiinoue aini?iecaaaeaiey aieina, caienaiiiai a oeeo?iaii
?aaeeia. Oaeea oa?aeoa?enoeee iicaieytho eniieueciaaoue iiaeaiu a
ea/anoaa aaoiioaao/eeia i?e iiaeai?a niioaaonoaothuae eiiioieeaoeeiiiie
i?ia?aiiu. ?a/aaia niiauaiea nio?aiyaony a aeaea oaeea ia eiiiuethoa?a e
aeey aai caaeaenoaiaaiey iaiaoiaeeii caaeaoue i?ia?aiia niaoeeaeueioth
eiiaiaeo aeey aini?iecaaaeaiey. Iineieueeo caoeiaua oaeeu caieiatho
iiiai ianoa ia ae?noeii aeenea, oi iiaeaiu ZyXEL eniieuecotho naeaoea
?a/aauo neaiaeia a oeaeyo yeiiiiee ianoa ia ae?noeii aeenea

Ia?aeeth/aoaeue ?a/ue \ aeaiiua.

Iiaeaiu oe?iu US Robotics Courier, iiaeaiu ZyXEL U-1496, e iaeioi?ua
ae?oaea iiaeaee niaaaeaiu ia?aeeth/aoaeai ?a/ue \ aeaiiua, eioi?ue
iicaieyao aua?aoue eeai, ?a/aaie ?aaeei nayce, eeai ?aaioo n aeaiiuie ai
a?aiy naaina nayce. Aieueoeinoai oaeeo iiaeaiia aeatho aiciiaeiinoue
eiiioieeaoeeiiiie i?ia?aiia auiieiyoue ia?aeeth/aiea eee i?iecaiaeeoue
naiioanoe?iaaiea e ae?oaea ooieoeee.

Iiaeii ee iieueciaaoueny iiaeaiii aeey ioi?aaee oaeneieeueiuo
niiauaiee?

Iaeioi?ay /anoue iiaeaiia iaeaaeaao aiciiaeiinoueth ia?anueaoue e
iieo/aoue oaeneieeueiua niiauaiey. Yoi i/aiue oaeiaii aeey iieueciaaoaey
oae eae, anee aai iaiaoiaeeii auno?i ia?aaeaoue aeaeiaua ienueia eee
ae?oaea aeieoiaiou oai, o eiai anoue oaeneieeueiua aiia?aou, oaen-iiaeai
iiaeao eaaei aai a yoii iiii/ue, n yeiiiieae /a?iee e aoiaae aeey
i?eioa?a a oaeaea aaoaai ae?aaioeaiiiai a?aiaie.

Anee iau/iue iiaeai ia?anueaao aeieoiaio a aeaea caoeiaiai neaiaea, oi
oaen-iiaeai ia?anueaao aai ecia?aaeaiea. I?e iieo/aiee oaeneieea aai
iiaeii oaeaeaoue ia ye?aia iiieoi?a eee ?ania/aoaoue ia i?eioa?a.
Iaeiaei i?e yoii au ia niiaeaoa ?aaioaoue n oaenoii, iineieueeo yoi
anaai eeoue aai ecia?aaeaiea.

Anoanoaaiii ec eaaeaeiai i?aaeea eiathony eneeth/aiey. Iaeioi?ua
oaen-iiaeaiu eiatho niaoeeaeueioth i?ia?aiio iioe/aneiai ?aniiciaaaiey
neiaieia (OCR), eioi?ay o?ainee?oao oaeneieea ia eiiiuethoa? a aeaea
aeaiiuo. ?aiiea aa?nee OCR ?aaioaee ia eo/oei ia?acii, nae/an aeaea
iioee ia iii?aaeo.

Eiiioieeaoeeiiiia i?ia?aiiiia iaania/aiea WinFax Pro i?aaeinoaaeyao
i?ia?aiio OCR, oa?aeoa?ecothuothny ia eo/oei ea/anoaii.

Caeeth/aiea

Oaeei ia?acii iiaeii neacaoue, /oi iiaeaiu ana a?aiy oaaee/eaatho e
oaaee/eaatho naie ooieoeee, eo ?ieue a eiiiuethoa?iii ie?a an?
no?aieoaeueiaa ?ano?o. Iiaeaiu caoaaouaatho ana aieueoea iaeanoe
i?eiaiaiey (i?e?i e ia?aaea/a oaenia), nei?inoue ia?aaea/e eioi?iaoeee
oaaee/eaaaony, an? yoi aea?o aiciiaeiinoue iiaeaiai eiaoue oi?ioaa
aoaeouaa a yiioo iao/ii-oaoie/aneiai i?ia?anna e ?acaeoey
eioi?iaoeeiiiuo eiiioieeaoeee. A iiaeoaa?aeaeaiea e yoiio y oi/o
i?aaenoaaeoue a?aoee aeeiaieee ?uiea iiaeaiia:

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