[http://www.ligo.caltech.edu/~cit40m/Docs/DCdetect/DC_Detect_wiring.pdf DC readout wiring schematic]
[http://www.ligo.caltech.edu/~cit40m/Docs/DCdetect/T060031.pdf LASTI Digital Control and Data System Design (Rolf)]
[PCIX IO Chassis - TBD]
[ADC interface / AA chassis - TBD]
[DAC interface / AI chassis - TBD]
[DC PD Satellite box - TBD]
[http://www.ligo.caltech.edu/~cit40m/Docs/DCdetect/DCPD_schematic.pdf DC photodetector schematic]
[OMC and TT PZT driver - TBD]
[QPD whitening Board - TBD]
[QPDs - TBD]