Re[2]: lug-bg: dvuzichna linia

[moni@xxxxxxxx (Simeon Vlahov)]

Hello Boyan,

Wednesday, January 10, 2001, 8:06:56 AM, you wrote:

Boyan> werno che se otplesnah malko :)
 
Boyan> prosto iskah da se znae kakwa e alternatiwata na towa da si pusnesh
Boyan> kabel.
 
Boyan> Zabrawih da spomena che ima i wariant rabotata da se swyrshi s 10Base2
Boyan> (BNC). 
 
Boyan> regards,
Boyan> --
Boyan> Boyan Krosnov ( http://www.nat.bg/~bkrosnov
Boyan> <http://www.nat.bg/~bkrosnov> )
Boyan> Network Administrator
Boyan> Lirex BG Ltd. 

Boyan> -----Original Message-----
Boyan> From: Vesselin Kotarov [mailto:bombe@xxxxxxxxxxxx]
Boyan> Sent: Wednesday, January 10, 2001 1:23 PM
Boyan> To: lug-bg@xxxxxxxxxxxxxxxxxx
Boyan> Subject: Re: lug-bg: dvuzichna linia

Boyan> Be Boyane .. choweka ne move da si opyne 10m utp kabel, ti mu goworish
Boyan> za operacionni usilwateli ;-)
Boyan> Rosene, hwani se w ryce .. az za 1/2 den okabelih office s pochti 10
Boyan> pc-ta, kato kym okabelqwaneto se 
Boyan> broi i slaganeto na kabelni kanali, rozetki, opywaneto na kabel do
Boyan> sysedna sgrada i t.n. .. ne boli chak tolkowa :)
 
Boyan> b0mbe :)

Boyan> ----- Original Message ----- 
Boyan> From: Boyan Krosnov <mailto:bkrosnov@xxxxxxxx>  
Boyan> To: lug-bg@xxxxxxxxxxxxxxxxxx <mailto:lug-bg@xxxxxxxxxxxxxxxxxx>  
Boyan> Sent: Wednesday, January 10, 2001 9:34 AM
Boyan> Subject: RE: lug-bg: dvuzichna linia

Boyan> w interes na istinata ako si seriozen hardware-ist i imash podhodqshtite
Boyan> chasti i kachestweni kabeli  NA KYSI RAZSTOQNIQ po 3 jici (edna za zemq)
Boyan> moje da uspeesh...

Boyan> w 10BaseT signalite se predawat diferencialno (ili
Boyan> balansirano,simetrichno sprqmo zemq). 
Boyan> t.e. za wsqka posoka imash 2 provodnika kato po ediniq se predawa
Boyan> signala a po drugiq signala invertiran sprqmo zemqta. 
Boyan> W EDIN MOMENT ako na ediniq prowodnik ima naprejenie A na drugiq ima
Boyan> naprejenie -A. 

Boyan> ideqta mi e wzimash samo polojitelniq provodnik i gi prekarwash prez
Boyan> ednata jica. ot drugata strana stoi edin operacionen usilwatel kojto ti
Boyan> regenerira otricatelniq sprqmo zemq. po syshtiq nachin w obratnata
Boyan> posoka.

Boyan> za da raboti towa trqbwa dosta neshta da se syobrazqt, izchislqt..... 
Boyan> chestotnata lenta na operacionniq usilwatel trqbwa da e dostatychno
Boyan> golqma 
Boyan> trqbwa da se proweri dali linkpulses(ili beacon-ite) sa na syshtiq
Boyan> diferencialen princip. 
Boyan> trqbwa da se syobrazqt vhodniq i izhodniq impedans na usilwatelite. 
Boyan> da se preceni ne moje li za treta jica da se polzwa zazemqwaneto na
Boyan> sgradata. 
Boyan> da se wnimawa sys razstoqniqta m/u dwete tochki, kabeliraneto tam,
Boyan> shtoto ne predawame signala diferencialno i shte ima STRASHNI zatihwaniq
Boyan> i shumowe.

Boyan> ne che e lesno da se naprawi ama wse pak e nqkakwa wyzmojnost ako
Boyan> tolkowa ne iskash da puskash kabel :) 

Boyan> regards, 

mozhe da si kupi 2 wireless modema da gi zakachi kym 2 antenki ot 2te
strani na office i togava pak shte stane, shte triabva da se izrysi
samo njakakvi si 1 000 - 2 000 USD :)


--
... You can never make something idiot proof because the idiots are so clever!
-- 
Best regards,
 Simeon                            mailto:moni@xxxxxxxx

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