net id on a 2000 = libby + 9pin m-f serial cable
net id on a 4000 = libby + scart / serial adaptor
sammy - will work in telewest until teleport comes in, then won't work UNLESS the sammy has come from pure NTL VOD area and has CR4 software, then should be OK (at least that's how I understand it, if anyone knows different I'm sure they'll correct me)