[HECnet] Re: Hecnet addition

[Johnny Billquist]

Paul Koning wrote:
"Johnny" == Johnny Billquist <bqt at softjar.se> writes:
Johnny> Hmm. As far as I know, HECnet have never made use of any
Johnny> homemade hardware. However, the first links I used, were over
Johnny> serial ports talking DDCMP, that I tunneled. I could still do
Johnny> that, if needed. It's even simpler than bridging
Johnny> ethernet. The only "problem" is that asynch serial DECnet
Johnny> don't go any faster than 9600 bps. Atleast under RSX.
Johnny> Another problem is that as far as I can tell, only RSX and
Johnny> VMS supports that.
RSTS does too (for sufficiently recent versions, like V10 or so) --
though the NCP bits don't seem to be there.   But there's a driver and
it can be told to turn on if you issue the DECnet control syscalls
directly. 

Aha. I think I looked at RSTS/E DECnet SPD only, and didn't find any mention of it, back when I was playing with that.
Or perhaps I got the information from somewhere else. Can't remember for certain right now.
I wonder why you can't set it from NCP though? Weird if they have the functionality, but no "normal" way of enabling it.

On a Pro it even works in synchronous mode (because there the "UART"
is actually a USART).

I don't think you can set it to synch mode in DECnet, though, so that is more of a theoretical thing.
But yes, RSX supports both synch and asynch mode.

	Johnny