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Dave,
If you have a null modem cable, you can attach it directly to a serial port
on a 37X5 FEP...
Joe
On Wed, Apr 10, 2019 at 5:52 AM Ken Smyth [email protected]
[hercules-390] <[email protected]> wrote:
>
>
> That 3774 unit will have a synchronous RS232 type comm interface. It
> should be configurable for either SDLC or BSC, either way you will need a
> 37xx communications controller (aka FEP), ICA, or a 270x communications
> adapter on the mainframe side. As far as Hercules, I seem to remember there
> is a 270x BSC emulation using sockets, so it would be possible to build a
> 'black box' to accept socket connections on one side and drive an RS232
> sync interface on the other. Need to find a PCI or other synchronous RS232
> card which probably are not that common anymore.
>
> On April 8, 2019 at 9:58 PM "Dave McGuire [email protected]
> [hercules-390]" <[email protected]> wrote:
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> So LSSM/MACT just took delivery of a 3774 RJE station, with
> peripherals, donated by IBM. It came with a punch, a reader, and a line
> printer. It all appears to be complete except for a missing space
> bar...that's kinda heartbreaking. On the off chance that anyone here
> might know of some old parts closet where one might be found, please
> drop me a note.
>
> I've only just started to look around for information about this
> system. Does anyone here know anything about it?
>
> Ideally, I'd like to get it up and running to talk to some of the
> mainframes at the museum, but it would be very interesting to get it
> talking to Hercules as well. Thoughts?
>
> Thanks,
> -Dave
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
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