Shane AO Electronics
Shane AO WFS Field Steering Mirror #2, 
EL-3823
Schematic: schematics\SAO_wfs_fs2_sh_1.pdf
Page last updated: November 20, 2012
Simplified Diagram - Refer to first page of schematic for more details
The Adaptive Optics WFS FS2 stage has six components; the Tip-axis Thorlabs actuator, the Heidenhain Length Guage, and a set of Lick primary limits. There are a like set of mechanisms for the Tilt-axis.
Sheet 2 
SAO_wfs_fs2_sh_2.pdf
Simplified Diagram - Refer to second page of schematic for more details
WFS FS2: Motor and encoder
The above drawing is provided.
Sheet 3 SAO_wfs_fs2_sh_3.pdf
Simplified Diagram - Refer to third page of schematic for more details
WFS FS2: Load encoder and primary limits
The above drawing is provided.