The IBM mainframe emulator Hercules has CTC 3088 functionality. I think that is used for TCP/IP.
--- mark.jac...@custserv.com wrote: From: Mark Jacobs - Listserv <mark.jac...@custserv.com> To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: GRS Control Unit ( Was IBM mainframe operations in the 80s) Date: Fri, 12 Jun 2015 10:09:45 -0400 Yep. That's it. Thanks for remembering. We were still using one when I left my previous position in 1995 with a 3090 400E processor. Mark Jacobs > Gross, Randall [PRI-1PP] <mailto:randy.gr...@primerica.com> > June 12, 2015 at 10:05 AM > 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 > > > Mark Jacobs - Listserv <mailto:mark.jac...@custserv.com> > June 12, 2015 at 10:02 AM > 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 > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > Please be alert for any emails that may ask you for login information > or directs you to login via a link. If you believe this message is a > phish or aren't sure whether this message is trustworthy, please send > the original message as an attachment to 'phish...@timeinc.com'. > -- Mark Jacobs Time Customer Service Technology and Product Engineering The standard you walk past is the standard you accept. Lt. Gen. David Morrison ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN _____________________________________________________________ Netscape. Just the Net You Need. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
