Anti Alias/Image
Reference
LIGO-D070081: AdL AA and AI Filter Board
LIGO-D0902783: aLIGO Anti-Alias Chassis Top Assembly Drawing
It can be assembled like LIGO-D0902783 as DB9 and DB25 version.
LIGO-D1000217: Chassis Power Regulator PCB
LIGO-D070100: ADC AA Interface
LIGO-D1000673: aLIGO x10 Anti-Alias Chassis Test Plan