IBM 3088 CTC

Global Resource Serialization

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Mark Jacobs - Listserv
Sent: Friday, June 12, 2015 10:02 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: GRS Control Unit ( Was IBM mainframe operations in the 80s)

I don't remember the device number but it was used for CTC communications using 
bus and tag cables.

Mark Jacobs

> Elardus Engelbrecht <mailto:elardus.engelbre...@sita.co.za>
> June 12, 2015 at 9:53 AM
>
> I have watched that nice video, bringing back memories of those 3800, 
> 3380, 3090, 3420 and such animals.
>
> But what the <four letter word> is a 'GRS Control Unit'?
>
> Searches on IBM webpages (and history webpages) gave me just all 
> [useless] info about GRS or CONTROL or UNIT, but not specific details 
> about that device.
>
> Anyone having a clue what device is it? Is it the grandfather of the 
> XCF and such things?
>
> TIA!
>
> Groete / Greetings
> Elardus Engelbrecht
>
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-- 

Mark Jacobs
Time Customer Service
Technology and Product Engineering

The standard you walk past is the standard you accept.
Lt. Gen. David Morrison


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