On 5/18/19 8:56 AM, Noel Chiappa via cctalk wrote: > From: Paul Anderson > > > They did make the RT100, RT340, etc. which were rugidized versions or > > the VTs. > > We also ran into a VT52 (I think, although possibly it was a VT100) which > apparently had been TEMPEST secured; the inside of the casing had been > coated with a metallic film. (Or perhaps it was built to operate in > an environment with a high E-M radiation level, and kept stuff out, not > in.) I don't recall anything else about it now, alas - it's been almost > 40 years!
Hmmmm... Every VT100 I ever saw the inside of (not a lot, but a bunch) had the EMI coating on the inside. I always assumed it was to meet FCC spurious emissions requirements. Definitely not enough to meet TEMPEST requirements. bill
