Reports until 09:45, Thursday 04 December 2025
H1 CDS
david.barker@LIGO.ORG - posted 09:45, Thursday 04 December 2025 (88356)
CDS Frontend Upgrade Summary: Thursday 4th December 2025

Summary of where we are in the upgrade:

h1susey

All Gen Std DACs replaced with 2 LIGO-DACs. All AI-Chassis upgraded to SCSI daisy-chain.

Timing card replaced with one having latest firmware

New models [h1iopsusey, h1susetmy, h1sustmsy, h1susetmypi]

All models running RCG-5.5.2

h1susex

All Gen Std DACs and first-gen LIGO-DAC replaced with 2 LIGO-DACs. All AI-Chassis upgraded to SCSI daily-chain.

Timing card firmware upgraded in place

New models [h1iopsusex, h1susetmx, h1sustmsx, h1susetmxpi]

All models running RCG-5.5.2

h1iscex

18bit-DAC replaced with 20bit-DAC.

Timing card firmware upgraded in place

New models [h1iopiscex, h1calex, h1pemex]

All models running RCG-5.5.2

h1iscey

Timing card firmware upgraded in place

h1seiex, h1seiey

Timing card firmware upgraded in place

h1susauxex, h1susauxey

Timing card firmware upgraded in place.

All models running RCG-5.5.2 (first test of new RCG)

h1pemmx, h1pemmy

Timing card firmware upgraded in place.