Objective 2.8: Wiring Distribution
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A 66 punch block. 
An 110 punch block. 
Unshielded twisted pair (copper) and optical fiber distribution frame. 
25-pair, 50 conductors. 
Objective 2.8: Install components of wiring distribution
A 66 block has a maximum 16 MHz Category 3 signaling compatibility.
A 110 block a maximum 100 MHz Category 5 signaling compatibility.
This is a cable from a telephone company's lines containing 25 twisted pairs that is then punched down into a 66 block (see above).
This is a cable from a telephone company's lines containing 100 twisted pairs that is then punched down into a 110 block (see above).
