NSWIT aka CHSNCP

[larsbrinkhoff]

There is a PDP-11 Chaosnet router/terminal concentrator called NSWIT, or New Switch. It's similar to MINITS, but older. NSWIT may have started at MIT, but was later mainly in use at the S-1 project at Lawrence Livermore National Laboratory (often called LLL). There may also be some connection to the Plasma Physics TV system, see #1837. NSWIT has support for both the "MIT keyboard" (probably Space Cadet) and SAIL keyboards.

I believe the MIT copy was in the CHSNCP directory. We have some scraps of files from there, e.g. NSWIT 106 and 276.

We do have a full set of files from SAIL:

• [SW,CBF] - plain NSWIT by @cbf66
• [GRN,CBF] - with Grinnell support
• [NCP,CBF] - with Arpanet NCP support
• [1,EAK] - another copy by @eak

I tested assembing NSWIT.PAL[SW,CBF] and that went fine, both with ITS' PALX, and the one in [1,EAK].

I believe NSWIT was often run on an LSI-11, and was probably started from RT-11.