When you go look at the code, you see:
self.type = TerminalType.DFT
self.model = None
self.keyboard = None
which, in essence is not implemented.
Joe
On Mon, May 11, 2020 at 9:01 PM Seymour J Metz <sme...@gmu.edu> wrote:
> Not if by "straight 3270 data stream" you mean what is documented in 3270
> Information Display System Data Stream Programmer's Reference; that's not
> what flows over the coax. The board and oec translate between the coax data
> stream and the documented 3270 data stream. In addition to that, oec uses
> TN3270 as a transport mechanism for the 3270 data stream, with no
> translation.
>
> I am, however, confused by :oec only works with CUT terminals", since the
> readme refers to both CUT and DFT. Perhaps what they told him is that oec
> doesn't support DSL.
>
>
> --
> Shmuel (Seymour J.) Metz
> http://mason.gmu.edu/~smetz3
>
> ________________________________________
> From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf
> of Joe Monk [joemon...@gmail.com]
> Sent: Monday, May 11, 2020 9:43 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: 3270 terminals: CUT vs. DFT
>
> I understand that.
>
> The interface board he is using translates TN3270 to straight 3270 data
> stream. So, since he wants to connect a 3290, he will need to download
> microcode before he can use the 3290. Thus, he needs to emulate a 3x74
> controller with am ethernet connection (TN3270E) to VTAM/NCP...
>
> "Prerequisites: The IBM 3290 Information Panel attaches to
> the IBM 3274 Control Unit Models 1A, 1C, 1D, 31A, 31C, 31D, 41A,
> 41C, 41D, 51C, and 61C. The 3290 requires the customizing of the
> 3274 and a microcode load from the 3274 to be operational. A
> 3178, 3278, or 3279 display station with keyboard attached to
> port 0 of the control unit is required for customizing and
> maintenance of the 3274 Control Unit."
>
> Joe
>
> On Mon, May 11, 2020 at 8:34 PM Seymour J Metz <sme...@gmu.edu> wrote:
>
> > TN3270 encapsulates the 3270 data stream; there's no translation
> involved.
> > Implementing CUT or DFT is a different translation, and that is
> apparently
> > what oec does. Think of TN3270 as an alternative to channel, BSC or SDLC
> > links.
> >
> >
> > --
> > Shmuel (Seymour J.) Metz
> > http://mason.gmu.edu/~smetz3
> >
> > ________________________________________
> > From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf
> > of Joe Monk [joemon...@gmail.com]
> > Sent: Monday, May 11, 2020 8:00 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: 3270 terminals: CUT vs. DFT
> >
> > Alex,
> >
> > What you have in that interface is a simple protocol translator ...
> > translating bi-directional TN3270 to 3270 Data Stream. That is great to
> > drive a 3270 dumb terminal.
> >
> > The first thing you need is to emulate a real control unit ... like a
> 3174
> > or 3274.
> >
> > If you read the product letter:
> > https://www-01.ibm.com/common/ssi/rep_ca/3/897/ENUS183-033/index.html
> >
> > "The 3290 utilizes microcode loaded from the IBM 3274 Control Unit to
> > provide screen-management facilities
> > for improved end-user ease of use."
> >
> > So, you need some microcode for the 3290, then you need to be able to
> load
> > it to the 3290 on request from your OEC. Once you have that working, then
> > the rest will kinda fall into place with the DFT functionality on the
> OEC.
> >
> > Joe
> >
> > On Mon, May 11, 2020 at 1:18 PM Alexander Huemer <alexander.hue...@xx.vu
> >
> > wrote:
> >
> > > Hi
> > >
> > > I have a 3290 terminal that I'd like to put to some use. See email
> > > thread 'Talking to 3270 terminals?' that I started Jan 14.
> > > Somebody then pointed me to oec[1], which is an awesome project. I have
> > > built the hardware interface that is required to talk to a 3270
> terminal
> > > on the hardware level. A picture of the interface and a video of the
> > > terminal can be found at [2].
> > >
> > > Now, the friendly person who created oec says that the 3290 is a so
> > > called DFT (Distributed Function Terminal), in contrast to a CUT
> > > (Control Unit Terminal). Most 3270 terminals seem to be of the
> (simpler)
> > > CUT variant. oec only works with CUT terminals. Extending the
> > > functionality to enable it to work with DFT terminals isn't trivial.
> > >
> > > Does anybody on the list here know of additional documentation besides
> > > what's mentioned at [3] that could be helpful to implement DFT support?
> > >
> > > What would also be very helpful is a protocol trace of any kind of the
> > > communication between a 3174 and a DFT terminal.
> > >
> > > -Alex
> > >
> > > [1]
> >
> https://secure-web.cisco.com/1vlIhY4V_aywcFTX__Fd5NXI51bckoNxnTNmzFp7TRnF7zbt7LCyVgQAu0YtD9ThNbrXZD4M1u0z4F_HhRc1e64BzrWjeklln7utA_76676bH-95U_RR5WkSSsjEEgrkV-dpiBRlbWxUi5d8ImqPzl7yux5JR115uPjtKM8FOz8ehIM4yczPRfScNfJBlRJKwkvvpBiFDDRQC5095JCfykr5oMAIdEpBeSjK03kuu0yhBpn-AtY6wUP_AmVl0981y_STeqmCAit7yEodnyM0G1JJiRwwLkbmThjkSnIpxbqQ6PJ8dW3ZVdZMnEpI9F1nFa2DZdSYxKOtNJcTMRV4ZEkNW8Xy3WseFowE6R79waKmOkp20sKZLhSZgpdw1AWCsAo9Txo2fiualiWOtCeAfQltVlb0xACuHIAIlQNZ5r2k8EH_KB5WE1_6yeC_7jU_O/https%3A%2F%2Fgithub.com%2Flowobservable%2Foec
> > > [2]
> >
> https://secure-web.cisco.com/1SQi3q2VhlTlrGizNplSRl5IpZJ2HBxnVwKQCVGkjWIsR2Zy9HkSo7rYO6DxRUKZeOpWgKkcYmPB4fuQ5mvYA7FDut1UqtdrF5fP02rd1C-zrCvZcgeJ5J5Lr87ReANDxhONbJ2O7p7PECtYg6FEnwFPYnk4I1NCp9CO0dhyVpHuxvQZx5yY2_4Obt_VxOILArXm2WyKBvwf2zX9JQ4zIv-_8bkCeKCaCkrHA1eLmxNDNtj-fMGwQcNWQ3_o4G08XaaeETQBBJ5_GrQsgtdQC8tZGdtvpU8gB45GeZA42WKhOvW0NvRV4-xQdrFuJiGyEQekhzcYONPP4970JJd383hUgdw42Gjjs3aTRuiN8KjUrUCARbMW5h3G-LZKJNvjvx9aXjjjpsFrZ-QqUuZIeTHJ3HwjTwGR9w1EcYEFkmuwSG0vUv-BSVfThjkQuYjhy/https%3A%2F%2Fahuemer.xx.vu%2Fvolatile%2F2020-05-11-P6C1Wc3u1wU%2F
> > > [3]
> > >
> >
> https://secure-web.cisco.com/1fsc9ZGe-po7XIhyE9ksIFQcgWIKnOknKsKZUHHfydKhIn98m_BKzoBGEiAImwK7ie7-IQx9WXgz4ELD5U8XoERyEW3XD2G1Huopvr5BHRg1DTDwc4ROVbVA0LSX-1aWMHi0u3g2jWQNSAWTwHJC-LIbv3NvSJeHkYphLTREVblzsFxESsXLJEc4hNE0-AAaTsveWg9DZwCgub7uuOKslsOapD_tLCXH0S4zRtItsTHCoiyTAS2AClyNh94yVq59fARyn2-LoaRwpfnVYOUFUsEQcHJYlogbeGDkOK8rz_dlYuawfoG9SZMPRlTethM1oL1YTIa76wJzLlhz08z16HD_9jHrhzWy5H71WUKyjZ9Bls8jnWbAOm6w3NgyuMKnfDBqnktQ509vVkHxvnMS6KPoUjynGD-cqcoXNdoLmmcryhH3esOIV05h-4fAd4QCD/https%3A%2F%2Fgithub.com%2Flowobservable%2Fcoax%2Fblob%2Fprotocol%2Fprotocol%2Fprotocol.md
> > >
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