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Article #480

Re: TCP/IP Between PCs And Mainframes...What Physical Layers?

#480
From: Kevin P. Kleinfelter
Date: Fri, 08 Jun 1990 12:34
22 lines
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Will@cup.portal.com (Will E Estes) writes:

>Using IBM's mainframe TCP-IP implementations and OS/2 Extended Edition's
>TCP/IP, what physical layers can be used?  I assume Ethernet at minimum,
>but what about token ring, and what about SDLC since that is how the
>vast majority of PCs are linked to mainframes?  Also, what about the case
>where a PC goes through a gateway that emulates a 3174 and is connected
>by modem to a 3725?

The preferred method is via the "LAN Channel Attach" (i.e. the 8232 and its
replacement.) This device provides for Ethernet and Token-Ring TCP/IP
connections to the mainframe.

I do not think that IBM supports a TCP/IP connection via SDLC (either
directly SDLC or via a TIC to a 3174 which is using SDLC.) If you find
that there is indeed a method to TCP/IP through a 3714 (other
than the new box from Mitek), please post or email!
-- 
Kevin Kleinfelter @ Management Science America, Inc (404) 239-2347
gatech!nanovx!msa3b!kevin

"Don't hold your finger on the button if the motor ain't goin' roundy-roundy."
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References: <30586@cup.portal.com>

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From: kevin@msa3b.UUCP (Kevin P. Kleinfelter)
Newsgroups: comp.protocols.ibm
Subject: Re: TCP/IP Between PCs And Mainframes...What Physical Layers?
Message-ID: <1298@msa3b.UUCP>
Date: 8 Jun 90 12:34:13 GMT
References: <30586@cup.portal.com>
Organization: Management Science America, Inc., Atlanta, GA
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