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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.uwa.edu.au!DIALix!haywire.DIALix.COM!jhome.DIALix.COM!peter From: peter@jhome.DIALix.COM (Peter Wemm) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: ISDN Date: 31 Mar 96 02:10:09 GMT Organization: DIALix Services, Perth, Australia. Lines: 22 Message-ID: <peter.828238209@jhome.DIALix.COM> References: <4ivo5k$jq3@sundog.tiac.net> <31553A0B.41C67EA6@FreeBSD.org> <Doy3J8.K0M.0.raindrop.seaslug.org@raindrop.seaslug.org> <315AFE74.41C67EA6@FreeBSD.org> NNTP-Posting-Host: peter@jhome.dialix.com "Jordan K. Hubbard" <jkh@FreeBSD.org> writes: >Thomas Unger wrote: >> connected to a serial port. The external TA seems appealing, but can >> the serial port really handle the throughput? To take advantage of >> the 128Kbps one would want to run the serial port faster, like 256 >> Kbps. Are the any real disadvantages to the external Terminal >> Adapter? >You do lose whatever's over the top end between 115.2K and 128K, PLUS >you have the 2 bit overhead of async data, but I guess it still works >pretty fast (I get 10.5K/sec in my FTP transfers pretty steadily) so I >don't particularly mind! :-) Yep. You get a bit over 15K/sec when running a 2 B channels at 128K sync, that's equivalent to 160,000bits/sec async. Running a dual B channel link at 115.2K is only using about 70% of the maximum capacity. -Peter >-- >- Jordan Hubbard > President, FreeBSD Project