Path: utzoo!mnetor!uunet!pcrat!rick
From: rick@pcrat.UUCP (Rick Richardson)
Newsgroups: comp.dcom.modems
Subject: Re: throughput using CTS flow control on a Trailblazer+
Message-ID: <474@pcrat.UUCP>
Date: 30 Apr 88 17:21:27 GMT
References: <871@spdcc.COM> <6810002@hpcupt1.HP.COM>
Reply-To: rick@pcrat.UUCP (Rick Richardson)
Organization: PC Research, Inc., Tinton Falls, NJ
Lines: 21

In article <6810002@hpcupt1.HP.COM> glowell@hpcupt1.HP.COM (Gary Lowell) writes:
)
)     I am using a TB+ on a 286 based system, and of course the TB+ can
)     easily overwhelm the CPU.  I am working on building a simple
)     Serial Card and writing my own driver for it.  Several chips 
)     have been mentioned here that will provide flow control on 
)     CTS without involving the host.  Are there any chips that 
)     provide similer features for RTS flow control, which I believe
)     the TB+ supports ?  I want to make sure that regardless of
)     the data-rate, I won't lose any characters if the CPU's not
)     keeping up.

AT&T sells a serial part with EIA flow control modes.  It's 4/6
deep FIFO buffering, and includes speed matching (autobaud).  I
forget the number, its called the "ARTI".  It is in their Communications
Devices book.
-- 
		Rick Richardson, President, PC Research, Inc.

(201) 542-3734 (voice, nights)   OR     (201) 834-1378 (voice, days)
uunet!pcrat!rick (UUCP)			rick%pcrat.uucp@uunet.uu.net (INTERNET)