Cryogenic vacuum works the same way as in the Tevatron. Vacuum is maintained in the septa with ion pumps. Of course, a roughing pump and turbo are required for the initial pump-down, after which they are isolated by a valve. Pressure in the septa should be maintained around 10 E -7 torr. As in the Tevatron, these are fairly easy to figure out if you know a few buzzword mnemonics.
Locations are equally straightforward to decipher.
Cold cathode gauges, which only give accurate readings below 10 E -4 torr, are found in the cryogenic strings and septa, but not in the beam lines.