On Tue, Jun 28, 2022, 1:21 PM Zane Healy via cctalk <cctalk@classiccmp.org> wrote:
> On Jun 28, 2022, at 12:10 PM, Daniel Seagraves via cctalk < > cctalk@classiccmp.org> wrote: > > > > For the UDT at least the RS232 lines are regular RS232 and the plug I > made for communicating with it was just an old PC serial pigtail bodged > onto a short SCSI ribbon cable. > > > > I would expect CON to be CONfiguration port; No idea what FP is for. > > That’s good to know. If you have the actual adapter, it will work for > both the Unibus and QBus boards. So what worked for use for a UDT, should > work on a QBus board > You may need to hook a scope to TX lines to know the right levels... Warner >
