F. Clara, D. Barker, J. Kissel, O. Patane, D. Sigg
ECR E1700228

(0) Confirm the analog cabling plan implicit in D0902810-v10 -- see LHO:83168.

(1) Move PR3 optical lever from h1sush2b over to h1sush2a to make room for PM1 on h1sush2b,
    WP 12370
    Front-end Model Prep work: LHO:83194

(2) Add new POP WFS controls path to ASC front-end model for driving PM1,
    WP: 12374
    Front-end Model Prep work: LHO:83195

(3) Add PM1 as an "HSSS_FF_MASTER.mdl" into the h1sushtts.mdl, following the other HTTS in HAM1, RM1 and RM2
    WP: 12375
    Front-end Model Prep work: LHO:83196 and LHO:83211

Note, as Oli mentions in LHO:83196, we'll likely need one more model change to h1sushtts.mdl and the future h1isiham1.mdl model to send up some fresh-and-better ISI feed-forward signals to the RMs and PM1, but this will come in due time.

The goal is to execute all of this prep work and work-permits during upcoming maintenance period, Mar 11 2025 (with a back-up date of Mar 18 2025 if needed).