Article View: comp.os.linux.networking
Article #46Re: Linux ISDN card <-> Ascend Pipeline 50 DX?
From: Ted Goldblatt
Date: Fri, 02 Feb 1996 17:29
Date: Fri, 02 Feb 1996 17:29
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1333 bytes
In article <4eipll$hc1@superb.csc.ti.com>,
Bob Peterson <peterson@csc.ti.com> wrote:
[snip]
> The rate on the ISDN line is sync, i.e., without start/stop bits,
>while the serial port is async, which requires one start and one stop
>bit per character. This implies your serial port can transfer
>115,200/10 or 15,200 bytes/second, while the phone line transfers
>128,000/8 or 16,000 bytes/second. You loose 800 bytes/second.
I assume that was an oops. 115,200/10 is 11,520, so you are actually
losing 4480 bytes/second or about 28% of the theoretical bandwidth,
which seems pretty significant.
ted
--
Ted Goldblatt Ted.Goldblatt@telematics.com (305) 351-4367
Telematics Intl., Inc. Ft. Lauderdale, FL
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Path: arc1-ca.pugleaf.net!ftl.telematics.com!not-for-mail From: ted@telematics.com (Ted Goldblatt) Newsgroups: comp.os.linux.networking,comp.dcom.isdn Subject: Re: Linux ISDN card <-> Ascend Pipeline 50 DX? Date: 2 Feb 1996 12:29:39 -0500 Organization: Telematics International, Inc. Ft. Lauderdale, FL Distribution: world Message-ID: <4ethm3$ndf@orion.ftl.telematics.com> References: <4e16kv$5ss@gap.cco.caltech.edu> <23JAN199600503041@eisner.decus.org> <310635dd.0@sylvia.tummy.com> <4eipll$hc1@superb.csc.ti.com> NNTP-Posting-Host: orion.ftl.telematics.com Keywords: ascend isdn linux card driver