The Generic mounting interface encompasses all other mounting interfaces outside of the ones listed above. Unless indicated to be tool-less, tools are required for installation.
Square-hole describes a 4-post rack mounting flange type where rails utilize Square holes sized according to EIA-310-D standard for mounting.
Round-hole describes a 4-post rack mounting flange type where rails utilize Unthreaded-Round holes sized according to EIA-310- D standard for mounting.
Threaded-hole describes a 4-post rack mounting flange type where rails utilize Threaded-round holes for mounting. Threaded round holes may require additional hardware for mounting and hardware may vary by thread type. See footnotes in table 2 for specific information on threaded-round hole mounting.
| Rail identifier | Mounting interface | Rail type | Rack types supported | Rail adjustability range (mm) | Rail depth (mm) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4-Post | 2-Post | Square | Round | Threaded | without CMA/SRB | with CMA(SRB) | |||||||||||||
| Square | Round | Thread | Flush | Center | Min | Max | Min | Max | Min | Max | |||||||||
| B31 | Generic Tool-less | L-Bracket Static | X | X | X a | - | - | 293 | 516 |
293 |
516 |
293 | 516 | 448 | - | ||||
| a Minor conversion required | |||||||||||||||||||
- Dell XR8000
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