(OLD) Ch 21 - Data Centers Flashcards
21–12 guidelines for telecom cabling, cable containment, equipment racks and cabinets
ANSI/TIA-569-B =
Fill as 50% pathway
21–9 telecommunications cabling
What kind of cabling is required. =
Except 62.5 MM, does not belong
21–13 guidelines for telecom cabling, cable containment, equipment racks, and cabinets
Fiber patch cord pile-up within a pathway =
2in depth
21–16 guidelines for telecom cabling, cable containment, equipment racks, and cabinets
TIA-942 =
Data center standard
overhead cable tray 9ft AFF
20-17 guidelines for telecom cabling, cable containment, equipment racks, and cabinets
Route the copper cables =
Route power cables =
Hot aisle
Cold aisle
21–29 redundancy and tiering
N =
2(N+1) redundancy =
- need
* two complete (N+1)
21–39 building and access control
Type 1 =
type 2 =
type 3 =
type 4 =
- 1 - Something you know, or passwords
- 2 - something you have, or keys
- 3 - something you are, biometrics
- 4 - something you do