Single capacity components; non-redundant distribution paths. Redundant Component
You are designing a Tier III facility. You ask the architect: "Are the two main electrical rooms separated by 5 meters?" The architect says "No, they are 3 meters apart." You point to TIA-942 section 5.2. You add a firewall. The design passes. ansi tia-942
Redundant components (like UPS/Generators) but a single distribution path. Concurrently Maintainable Single capacity components; non-redundant distribution paths