The ICT distribution designer is hired to design a Telecommunications Room on the third floor of a building. The size of the floor is 20 m by 26 m (92 x 85 It). What is to be the MINIMUM size of the…

Question

Options

• AShallow Room, no minimum room size
• B=3 m (10 ft) by = 2.40 m (8 ft)
• C=3 m (10 ft) by =2.74 m (9 ft)
• D=3 m (10 ft) by =3.40 m (11 ft)

• A
  17% (8)
• B
  70% (33)
• C
  9% (4)
• D
  4% (2)

Explanation

Per ANSI/TIA-569 standards, a Telecommunications Room serving a floor area of 520 m² (the 20 x 26 m floor in this question) requires a minimum size of 3 m x 2.40 m (10 ft x 8 ft), which is option B - this dimension provides the baseline space needed for equipment racks, cable management, and required working clearances. Option A is wrong because TIA-569 explicitly mandates minimum room dimensions for TRs; there is no "no minimum" provision. Option C (3 m x 2.74 m) and Option D (3 m x 3.40 m) are both larger than the code minimum for this floor area, and while larger rooms may be desirable, neither represents the minimum required by standard.

Memory tip: Remember "10 by 8" (10 ft wide, 8 ft deep) as the baseline TR minimum - the width of 10 ft accommodates a standard equipment rack row plus front and rear clearance, and 8 ft depth is the floor-size-dependent starting point that scales up only when the served area exceeds the threshold.

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