

                              

      ⪠  ⠭    ४.

                                    " ,  । -
                                      ࠡ, ⮢."
                                                       ..饢


                         1.  ᪠ 

      ᫨  ⠫    ᫥ ࠧ,  , -
 , 㤥 ᭮ 㧭  ⨢,  ⠢
  ( ,  ᠭ  ᯮ),  -
 ⥫ १ ࠡ ⮣ ⨢.
      ࠪ᪨   - 㤭 ᪮᪮  "⨪
⥬", ⮬ ᪠  ⨢ -  ᪠  -
ਨ (  த⥫쭮,  筮 饭) ⠭
.
      ଠ쭮 ଠ ࣠  1992  㯯 ࠧࠡ稪
஭ 孨, ࠡ⠢     樮 -
諥.  ⥬⨪ 㯯 砫  ਡ-
⥫쭮  1990 . ( 䠪:       ᯥ-
쭮 吝 ࠧ,  㡨    
裡 筮 ⥫쭠. 筮 -  ॢ࠭   ஭
ᮢ᪮ 襣 ࠧ, 襣 訥 饨
᭮).
        ࠧ "⨪" ⨢, 孮塞 -
⨢ 砢襩 ன, ⠫ ᠬ⥫쭮 ॠ
᢮ ⢮᪨ ᯮᮡ  ࠧ 孨᪨ ஥.  
 ࠪ᪨   ⥫쭮 -  ⪠ ॠ樨, -
 ᪮쪮  , ।⠢  ⮬,   ⮩ ࠭
 ,   㤮,    ࣮.
      筮,      ६,  ᮡࠫ  -
⮬⨧樥 ᥣ, 祣 㣮. 뫮 믮 ᪮쪮 
 ஥⮢ (ਬ, ⥬ ࠢ 寧 ⥪-
, ⮬⨧஢  娬᪨ ᫥, ଠ-
樮 ⥬  娬-᪮ ⥬⨪), ... ᯮ
1989 - 90 :   ⮬⨧樨 -  ⥭樠 稪 
।,  ⠫ ⨢ ᪮稢 砫 ⠫  -
 ࠬ.  ⮩ 樨 ॡ    -
  ࣮,    뭮  ⮢ த⮬ ᮡ⢥
ࠧࠡ⪨, 騬 ਫ ॡ⥫᪨ ᢮⢠.
        :  ᠬ த 㬠  ᮧ.
       ⮬  ᫥ ᤥ   ॢ࠭.   ࠧ -
 ஭      -  Lexand.


                         2. ਪ  1

       Lexand'  뭪 த஢ ப 㡫-
,   ஢  ⥫䮭   ॠ쭠  -
ண. 筮,  ⢮  ࠭,  ਭ 
 짮⥫᪮ ஢   ᪨ 窨 (⥬ ,
     ६  ࠧ   -
⠡,    ᠥ ,      室).
      Lexand 㤮ࠦ  짮⥫,  ਭ﫨 ⨢
ࠨ   ᥢ ⥬, ॡ । -
. ᪮    , ᠬ ᢮ ⢨ -
 ᭮ ࠢ ࠧ:   ६  뭮 뫨 -
襭  ⪠   ᪮쪨 㯯 ࠧࠡ稪.
   ⭮ᨫ   "⠭",    㤮-
⢮    ॡ ITU-T (⮣  CCITT)  
ন ࠢ騩 䥩 Hayes- (⠭ de
facto). ᭮묨    뫨  "஡-
" ⢥ ,  ᯫ樨  짮⥫-
᪮ ஢ ( 祭   ᨮ)  ᮪, 
ࠢ  묨, 業.   -  뫨 ⥫
祡 ᮡ, 騥 ᭮ ५ ⥫㭨権.
        ᪠   ࠧࠡ稪 ⠭ ,
᪮쪮 﫮    Lexand' ( ᪠, 
 ࠧࠡ⪨ ஢ ࠫ쭮  ࠧ 㯯),
    ,  । ᫥,  ᢥ. ⠫ ⭮,
  ⥬⨪ -  , 祬 ⮨ .  饩
ᯥ⨢ ࠢ 뫨 ⥭ ⠪ 䠪,  ﭨ
⢥ ⥫䮭  (    祭 -
 ""), 㪮 ࠧࠡ⮪ (⥫, , ᨬ쭮
ᯮ짮 ᢮ ⢮᪨  ᯮᮡ), 
ந⢠ ࠢ⥫쭮 訬 ⨢ ( -  -
,  ࠧ  ࠧࠬ), ᮪ ⮨ ந⢠
( ॢ⨫   १  ).  饬 - 楫 :
  ⢥ .
      砫 뫮   ﬨ ⠭ 
Contact MT-2400  Contact BN-2400 (Contact-Between).   ᥡ
 ४     (!) ந, , 筮,
   ⢠,    .
        ॡ . 짮⥫ ⥫쭮 ᫠
஢,   ࠭   ன, 稭 -
   ⢥: ꥤ   ଠ樮묨 -
ᠬ  ᭮  ⥩.  ᫠    
६⥫쭮 ࠧ⨥  ਨ  ଠ樮 ⥩, 
祭   ॡ , 祬  -,  -
襭 ⠭ Hayes-.   ⮫쪮 -
 -   ६ ண ,  , ஡   -
.


                         3. Hayes  䫠

      ⠪, ࠧ Hayes-  ᮡ⢥ ࠧ-
⪨. 祬 Hayes - ⭮:  ⠢. 祬 ६
ᮡ⢥ ࠧࠡ⪨  , ,  ⨬ ?
       ॡ 让 ਩   -
. ६   ᢮ ⥪  ᫮ ࠧ-
   㯯.
1. , 믮  ᭮ ᯥ樠  (chipset), ॠ-
     ⮩   ⥯   㭪樨.  ⮬,
    ࠢ, chipset' ந   (⢮ 
    ᥬ       㪨),   -
   㣨 ( ⢮). 奬 襭 ⠪  -
   - ⠭,   짮⥫᪨ ࠪ⨪ -
   , ࠪ᪨, ⨯ ਬ chipset'. 饥
   設⢮ ண  ⭮   ⮩ 㯯.
2. , 믮  ᯮ짮 㭨ᠫ ᨣ
   ஢.   ந,  ࠢ, ⮩  -
   ,    ணࠬ  ᯥ祭 -
    㭪権,   ମ, 饩  孮 
    ᯮᮡ ⨢ ⢮   ᯫ樮 -
   . ࠪ᪨  ண     ।
   ⮨ ॠ   奬.

      ⮡ ᮧ , ⢨⥫쭮 ᯮᮡ  -
ᨩ᪨ ᫮, ࠪਧ १砩 ࠧࠧ 
 裡 , , 㦠騬  ﭨ, 筮 -
⮣ ᯮ짮    chipset': ᫨誮 -
   ᥡ, ᫨誮  ॢ祪,    䥪⨢
࣠  楫 ன.  ⠪ 室 । 䥪
 ⮫쪮 ⭮ ⢨  ମ-ந⥫
chipset',    ᮢ  䨪樨 ᢮
   ᯥ䨪.
      ⥫쭮,  ᮧ 饣 "  ᨩ᪨
" ॡ ன    ࠧࠡ⪨,  
ࠧࠡ ७ ணࠬ.     ࠭: ன 
 砫  㪨 孮   楫  ᥬ ⥪騬 
⮣ ᫥⢨ﬨ.  ⮣, 砫쭮 ࠭ ਠ 
⥪  ,  筮 , ᮧ  -
 ( , 孮 ணࠬ஢, 孮
ன  ஫  ந⢥)  ன ࠧࠡ⪨ ᥢ-
 ன ⥫㭨樮 ,  ࠬ ன 
- ᥣ     ਫ.   ⮬ - .
      筮,    ⠪ 㬭.  1991  ,  ࠩ
, ⮪ ,   ஢  ࠧࠡ⮪
Hayes-.    ⢥ ᫮, 祬
।⠢﫮 砫.  ⮣ - 砫 ந  
᭮ "" chipset'    ᪮ 襢 --
 த樨, - 襫   ⢨  ଠ-ந-
⥫ﬨ chipset'  楫  (chipset') 䨪樨  稫
娥, ,  讬 ,   ( ᫥ "
 ᨩ᪨ ") १.
        ᠬ ᫮  뫨  ⥫쭮 㢥-
祭 ஢ ࢮ砫쭮 ப ࠧࠡ⪨,   -
 ࠡ 뫮 祭   ஬ 襭:
ਬ, প  ⮪ RPI (Rockwell Protocol
Interface)  ⮥ 襭 "஡  2100 " (-
   ४⭮ ࠡ  ᯮ짮 ॢ襩 -
 , ਭ饩  2100 , ன 
  ⠭ ᮥ,  ⢥ ਩ ᨣ 
ᮥ  裡).
       ୮  ᫮  砫  ४⭮
室   "஢" .   ⮬,  
⢨⥫쭮 樨   ⢥ ᫮ 室
ᯥ  ⮫쪮 ᮪ ⮩稢  "ᨣ쭮" (
 ᯥ稢饩 ਥ-। 㫨஢ ᨣ) 
(data pump), , 筮,  ᭮ 祩,   
ࠡ "஢" ⠢饩,  ⢥砥  ⢨ 
,  ଠ樥  ஬, ॠ ⮪ ४-
樨 訡  ᦠ .   "஢"   
 ᭮ ମ  ࠧࠡ⪥: ,  ࠭ 
१砩  ࠧࠧ묨  (  ᥬ  㦨),
    ᫨誮   ४⭮ 
ॠ樨 ⮪ 쭮 ஢ (  ⢨  
業  ࠡ),  ࠧ 㭨樮 ணࠬ
  ᢮ࠧ ᮢ.
       ⢥ 樨 । 㤮 ࠡ  -
  ਢ ਬ ப ஥஢  ᭮ -
⠢ (   ⠯ 孨᪮ ஥஢,  -
 ᫨ ):
    - 奬孨᪨ 襭                   4 祫/;
    - ⮩稢 "ᨣ쭠"         6 - 8 祫/;
    - ४⭠ "஢"                40 祫/.

      , ᫮ ॠ樨  "஢" , 
 ந⢥ ஡,  ᭮ 稭 ⮣, 
 ࠧࠡ⪠  ⢥  ࠭ ( ࠩ ,
 㣮  ⭮),   ਩ ந⢠: 
AnCom ST/STE-2442 -  ᮢ襭 ⠭ (Hayes-ᮢ⨬,
V.22bis, V.42bis/MNP5), ⮩稢   㬫 -
.
      ࠢ ࠤ ᫥ ᪠,   ᪮쪮
ᠬ⥫ (⢥) ॠ権 data pump  
⮪ V.22bis ( ᭮ -   ࠧ),   
  ᮢ६  ⮣ ᫮ .
       室  砬 ஥஢   
⥪ன ,  筮 ,  楫  
 ᯥ樠쭮 ਬ  ⥫ 㭪権  ⠭⭮
:
    - AnCom DL-2400 - ᯥ樠   ⥬ ࠢ -
                        ஦ ࠭ᯮ;
    - AnCom Z-1200  -   ⮢ ஢ ⨯ "ATM-Turbo";
    - AnCom STE-2442-4 -   4-஢ ;
    - AnCom STE-2442-H - , ⨬஢  ᯮ짮 
                         Host-०;
    -   ࠡ  ᫮ ࠭祭 (300 - 2400 ) -
      ⭮  ⥫䮭 ;
    - 㭪樨 ⢨  ॢ訬 㤮  ("஡-
        2100 ").

      ஬ ⮣,  室     -
     뭮 ⥫쭮  樮
㤮.  砫 ⮬  - ⥫쭠
⨫  : ணࠬ- ⥫䮭  ST24view
(" ⥫").


                    4.  ਪ  2 - viewer

      ணࠬ-    1993   ॠ-
 ⢥  "㢨 " , 騥 
। .  室 ࠬ  ⮣ 㦥  
 -  ࠬ ࠡ  ७ ⥬. ⠢
⮫쪮 뢥    ᮧ 㤮 ᪨ 䥩 
.
       ணࠬ ST24view 맢    冷
짮⥫ , ⠪   ᨮ   ⥫䮭
裡 - 뫨  砨 ᯮ짮 ணࠬ  ⢥ 祡
ᮡ  樨 ࠪ  裡.
      ६  ⨬ ST24view ᢥ⨫ ( ࠩ , 
)  祭  ஡:  墠  ࠭ ᮢ६-
     ⥫䮭 , -,
 ॡ  ⠪   ⮫쪮  裡⮢ (  ,
 ।⠢  裡  易 ᯥ稢  ⢮),
   짮⥫ (   筮 㯭 짮-
: 㧫 ଠ樮 ⥩, ⥫㭨樮 㦡 ,
࣠樨, 뢠騥 ࠧ 㣨  ।⠢ ଠ-
樨). 室 ⠪ த  । 짮⥫, -
,  ⢥ ᮡ - ࠧ ⥫䮭 㦡, -
,   ﭨ ᯥ  ⢮ 裡,  ᯠ-
 ⮯ -   ⭮ .


                5. ਡ -   ⥫쭮

      筮, ணࠬ-   ᪠  , 
ᮮ⢥ ஫  讥 ⢮ 塞 -
஢,   ⥭  ஫ 쥧 ᨮ쭮
⥫쭮 㬥, ,  ,  室  -
 ஥஢  ( 孮)  , -
   ࠡ   訥 ப (浪 6 -
楢) ᮧ  ᠬ 㬥:   ⥫䮭
⨯ AnCom TDA-3 ( ஬筮  AnCom TDA-2).
       TDA-3 -  㦥 ᮢ襭 ᨮ -
⥫ ਡ, ࠡ騩  ࠢ   믮騩
७ ࠬ஢  ᮮ⢥⢨  㭠த묨 ४ﬨ
ITU-T (⢮ ࠬ஢  , 祬 ॡ ४-
).
        譥 ,  ஫᪨ ࠪ-
⨪, 業,  冷 襩  , 㤨-
⥫쭮,  ਡ  ᯥ宬  ॡ⥫.
             (୥
 ,    ...) " ⭮"   ⥫㭨樮-
 㤮: १砩 ॢ  䨧᪨,  ࠫ쭮 -
 樨 ⥫䮭 .  , " த" ᮢ६-
 , 筮,  (⭠),  業!
       த , ⢥,  ᯥ筠 (
࠭), 祬    ।⢠  ,  
⢨ 筮 ⭮ ࠦ  ᥬ 뭪 ⥫-
権:  ஢ ⥫䮭  ⥫㭨樮
㤮 ( ⠯ ࠧࠡ⪨, ந⢠, ⠭, -
ᯫ樨),   ᮮ⢥ । 樨.  ⢥
樨  ਢ ਬ 䨪樮 業஢ ᨨ (
 ⥫㭨権):  ᥣ譨  孨᪮ ᭠饭
 業஢  ᯥ稢 ॡ㥬 ⢮ ⠭ ப
ᯥ । 裡,   뭪.
         ࠧࠡ⮪ 襩 ࣠樨  ⮩ 
뫮 ᮧ ( ,  ᭮  孮) ਡ AnCom
SIM-3 -  / . ਡ , ண -
,   ࠧ ஬ ⥫䮭  (ᮧ-
 ⠪  ⮨  쭥 ),   ᮧ-
  客 ⠭   裡 ⥫㭨-
 ன. ᭮ ᯮ짮 ⮣ ਡ - ᫥
⮩稢  裡, - ࠧ殢 (-
ਬ  㯪 ⨨).
        ਡ   ஢ - AnCom FBR-242 - -
 ⮢ ⮪    ⮪ 쭮-
 ஢. ᭮  祭 - ᫥ ⢠ ॠ-
樨 ⮪ 쭮 ஢   ࠧ -ந-
⥫, ᯮ짮  ࠧࠡ⪥ ᮡ⢥ ⠭ -
 ⮪, ਬ  楫 ᡮ   ଠ樨. -
,   ਡ, ⠪   ⠫ - १ ⭮
ਫ  孮.


                        5. 讥 १.

      ᫨    ᫮ 㫨஢ ࠢ -
⥫쭮  "⨪ ⥬", , ୮,  㤥
 ⠪: ᨬ쭮  짮⥫  ᯥ祭 
裡  ⥫䮭 .
       ⨦ ⮩ 楫   ࠧ  ᨬ 
 ᫮  ⥩ 짮⥫,   ,
⮤᪨ ४権, , 뢠 訬 ᯥ樠⠬,
祭   祭  ॠ樨 ᪮쪨 ࠢ
⢨, ᯥ稢,  ⮣, 襭   楫:
    -   ⠢  ,   ࠡ⠥  -
       ணࠬ- ST24view   AnCom
      TDA-3;
    -    ᭮  ७ ஢ -
       ᢮ ஡ ।   ⥬,  ।⠢
        裡;
    -       AnCom SIM-3 ந
      客 ⠭, ࠪ     ᫥-
        ࠧ  (  ⥫㭨樮-
       ன)  ⮩ ⠭,    
      室  㤮;
    -   ஢ ਮ , ஢  -
      -    AnCom SIM-3;
    -    ᯮ짮 ⮩稢  AnCom
      ST/STE-2442;
    -    䨪    
      ਬ.

        ⠢ ᥡ  -   ⥫쭮
襭 ⢠ 裡.
