Vertex Racks in-air cable length assessment

Cable lengths from Satellite Amplifiers on different racks to the vacuum flanges

Distance from racks to the inner-wall corner(vertex) bottom

Distance of racks to inner-wall corner bottom for cable
Rack	Sat Amps	Distance description	Distance (feet)
1Y1 (and a small 18U rack)	LO1 LO2 AS1 AS4 SR2 PR2 PR3	8'(up-to bridge) + 2'(side-to bridge) + 7'(to cross-bdrige) + 6'(cross to wall) + 15'(along wall to corner) + 8'(down-to corner bottom)	46'
1X3	PRM BS ITMX ITMY	8'(up-to bridge) + 4'(side-to bridge) + 28'(along X-arm) + 12'(cross to wall) +11'(along wall to corner) + 8'(down-to corner bottom)	71'
1X3	SRM MC1 MC3 MC2	8'(up-to bridge) + 4'(side-to bridge) + 35'(along X-arm) + 12'(cross to wall) +11'(along wall to corner) + 8'(down-to corner bottom)	78'

Required cable lengths
Optic	Rack	Rack to corner bottom	Distance description from corner bottom to vacuum flange	Distance (feet)
LO1	1Y1	46'	3'(on floor along Y dir) + 5'(along ITMX chamber)	54'
LO2	1Y1	46'	3'(on floor along Y dir) + 6'(cross to BS chamber) + 1'(along BS chamber)	56'
AS1	1Y1	46'	3'(on floor along Y dir) + 6'(cross to BS chamber) + 3'(cross to ITMY chamber) + 2'(along ITMY chamber)	60'
AS4	1Y1	46'	3'(on floor along Y dir) + 6'(cross to BS chamber) + 3'(cross to ITMY chamber) + 2'(along ITMY chamber)	60'
SR2	1Y1	46'	3'(on floor along Y dir) + 6'(cross to BS chamber) + 2'(along BS chamber)	57'
PR2	1Y1	46'	3'(on floor along Y dir) + 5'(along ITMX chamber)	56'
PR3	1Y1	46'	3'(on floor along Y dir) + 6'(cross to BS chamber) + 1'(along BS chamber)	54'