...
See https://slacspace.slac.stanford.edu/sites/lcls/lcls-2/wd/dsg/Forms/AllItems.aspx, Naming Convention section 6.1.2.3.2
The position of the gun is 100. The position of the buncher is 455.
The position of cavities is 4 numbers where the first two indicate the cryomodule and the second two the cavity. For example, 0430 is cryomodule 4, cavity 3.
Cryo Module # | Description |
01-35 | CM01-CM35, 1.3GHz cavity |
H1 | 3.9GHz Cryomodule 1, located in L1B and follows CM03 |
H2 | 3.9GHz Cryomodule 2, located in L1B and follows H1 |
Numbering of cavities within a cryomodule:
...