leased line + routing

[Nik. Kokras]

Andreadakis Manolis wrote:

> Ta ASM kai sygkekrimena to ASM-24 (baseband) bgainoun kai me RS-232 alla profanws me
> auto to interface den mporeis na piaseis megales taxitites (gyrw sta 64 kbps pisteyw)

Den eimai akribws sigouros oti h RS232 den mporei na piasei megales taxythtes. Na sou
8ymisw oti h rs232 otan exeis e3wteriko aplo modem trexei odhgoumenh apo uart16550 sta
115200bps. To 8ema me to 232 interface einai nomizw h megisth apostash pou mporei na
ftasei. Outws h allws parapanw apo 128 to poly 256 Kbs den nomizw oti 8elei kaneis na
piasei me baseband kai h lysh tou 232 einai shmantika fthnoterh.Ef'oson to kalwdio 8a
einai 2 metra, to 8ema thw apostashs mou einai profanws adiaforo. Exw poy8ena la8os ?

> Apo tin alli yparxoyn kartes gia pc pou prosferoun X.21 interface gia na syndeseis
> tetoia
> modems. I digiboard exei mia karta SYNC/570i me 2 X.21 ports alla bgainei
> almiroutsiki (900$) syn to oti den kserw kapoion pou na to exei idi dikimasei, opote
> isws
> symferei i lisi enos "ftinou" router, px CISCO 1005.
>

Ama einai na dwseis 900$ giati den dineis 200 akoma na pareis ton 1005 ?

> Ta parapanw einai apotelesma ligou psaksimatos sto internet kai oxi anagkastika
> akribi. An kaneis exei paratiriseis i perisoteres plirofories gia tis sygrones kartes,
> euprosdektes.

Epeidh me kaiei to 8ema, kai epeidi to linux mporei na leitourghsei kai san router
skeftomai pleon ta e3hs:
1) Thn lysh pou proteinei h Sangoma, me thn winpipe (kostos 500$ peripou) +software/driver
gia linux. To sxetiko ar8ro sto LJ htan pragmati poly katatopistiko.
2) Mia sygxronh porta ths comtrol (kostos 150$) alla xwris kammia anafora gia linux
yposthri3h.

To megalo **erwthma** loipon einai: an balw thn en logw eswterikh karta me thn sygxronh
porta se ena mhxanhma me 2.0.34, meta ti kanw ? Thn blepei o kernel automata ?(xlwmo).
Prepei na brw driver (an einai na ton grapsw egw akoma xlwmotero). Exei kaneis kammia idea
?
Ena mail pou esteila sthn comtrol mallon phge /dev/null, opote an deite postings sto
c.o.l.hardware 3erete apo poion einai :-)
Nikos Kokras
kokni at eexi.gr

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