On Tues, 1/9, I wrote:
 
[...snip...]
 
> If I recall, back on the Series III it was possible to connect 2 systems
> together using what I believe was an SSLC (single-synchronous line
> controller) which had a transfer rate of 256 KBS.
 
[...snip...]
 
Both Bruce and Jeff have better memories than I... the hardware was actually
an HSI (hardware serial interface) which used a fairly simple protocol.
Jeff recalled that the transfer rate was upwards to 1 MB over the coax
connections.  Anyways...a bit of (ancient) history in terms of connectivity..
 
(Bruce/Jeff: Thanks for the feedback guys!)
 
-- Jerry