Date: Wed, 27 Aug 1997 16:41:26 -0500 (CDT) From: "Tom T. Thai" <tomthai@future.net> To: jens@regio.net Cc: freebsd-isp@FreeBSD.ORG, linuxisp@friendly.jeffnet.org Subject: Re: ISDN, 56K Message-ID: <Pine.BSD.3.91.970827164057.14822B-100000@dream.future.net> In-Reply-To: <Pine.LNX.3.96.970827225323.1547D-100000@helena.regio.net>
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On Wed, 27 Aug 1997, Jens Glaser wrote: > Hi, > > On Wed, 27 Aug 1997, Tom T. Thai wrote: > > For those that are using Unix RAS boxes (termserver), how are you > > handling ISDN and 56K connections? Hardware? MPPP? > > Well, for small POPs we just set up a Linux server using portslave > and a multiport serial (Cyclades) connected to USR Sportsters > (33k6 analogue lines) and ZYXEL OmniTA128s (digital lines, handles two B > channels simultaneously with two serial ports). The OmniTA128s have a > problem: they somehow "hang" up to multiple times a week due to some > firmware bugs .. no 56k on the small pop? > > For the bigger POPs (>8 lines) we currently rely on ASCEND´s K56Flex > modem cards integrated in their MAX routers - connected to a PRI (=30 > B-channels) line. BTW, the K56Flex firmware is also buggy :) It generates > lots of CRC errors in conjunction with the PRI line - but Ascend > promised a fix. > > Regards, > > -- > Jens Glaser Am Holderstrauch 13, 36041 Fulda, 0661/9429507 jens@regio.net > .. at work: Lindenstraße 37a, 36037 Fulda, 0661/9011777 > > .............. .................................... Thomas T. Thai Infomedia Interactive Communications tom@iic.net TEL 612.376.9090 * FAX 612.376.9087
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