Re: RJE

How about this?

http://chiclassiccomp.org/docs/content/computing/IBM/Mainframe/Hardware/Comm/GA27-3094-3_OperatingProceduresGuide3774-3775CommunicationTerminals_May76..pdf

Joe

On Wed, Apr 10, 2019 at 1:22 PM Dave McGuire [email protected]
[hercules-390] <[email protected]> wrote:

>
>
> On 4/10/19 6:38 AM, Ken Smyth [email protected] [hercules-390] 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.
>
> We have two 3745s at the museum. We have all of the documentation for
> those, but none for the 3774.
>
> > 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..
>
> Yeah, they've mostly disappeared, but I'm pretty good at ferreting out
> old hardware.
>
> -Dave
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
> 
>