On 10/7/20 6:46 AM, Chris Zach via cctalk wrote:
I do have a bunch of Unibus 3270/X.25 boards from a
third party vendor.
ACC (Advanced Computer Communications)?
If you can find it, the PDP-11 RJE product was released to DECUS
I have it on fiche, but that would be tedious to reconstruct.
I don't think the comms requirements were that onerous. I thought it
worked with just a DU or DV11 single-line non-DMA synchronous controller.
The original RJEs couldn't run over 9600 bps. Supporting multiple synchronous
channels required the fancier hardware.