Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!mit-eddie!uw-beaver!tektronix!psueea!parsely!bucket!leonard
From: leonard@bucket.UUCP (Leonard Erickson)
Newsgroups: comp.sys.ibm.pc
Subject: Re: DTK expansion-RS232-port pinout wanted
Message-ID: <1601@bucket.UUCP>
Date: 5 Aug 89 08:51:32 GMT
References: <3374@copper.MDP.TEK.COM>
Distribution: na
Organization: Rick's Home-Grown UNIX; Portland, OR.
Lines: 16

michaelk@copper.MDP.TEK.COM (Michael D. Kersenbrock) writes:

<A DTK Hex I/O card, like many other cards, has room for a second 8250
<chip and a pair of RS232 interface chips.  The manual is silent, however,
<about the pinout of the ten-square-pin connector.  Does anyone know
<the pinout of that connector -- like "which RS232 signals are on which pin"?

They map directly to a "standard" 9-pin D-shell connector. The pinout of
*that* was standardized by the AT (trans. I don't have it handy)

But just wire them straight to a 9-pin connector and it should work. 
-- 
Leonard Erickson		...!tektronix!reed!percival!bucket!leonard
CIS: [70465,203]
"I'm all in favor of keeping dangerous weapons out of the hands of fools.
Let's start with typewriters." -- Solomon Short