LIGO Document D1200881-x0
- Racks have Dnumbers because each observatory has one, and it contains chassis.
Racks have Snumbers because each rack is unique and it contains unique chassis Snumbers.
Rack Dnumbers reference this document.
Rack Snumbers reference their respective rack Dnumbers.
Chassis Dnumbers reference the Dnumber of the rack in which it resides.
Chassis Snumbers reference the Snumber of the rack in which it resides.
This document is a way to get to them all.
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