Objective 2.8: Wiring Distribution
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![](//upload.wikimedia.org/wikipedia/commons/thumb/1/19/66_block.JPG/100px-66_block.JPG)
A 66 punch block.
![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/110-punch-block-IDC-0a.jpg/220px-110-punch-block-IDC-0a.jpg)
An 110 punch block.
![](//upload.wikimedia.org/wikipedia/commons/thumb/7/78/Distribution-frame-0a-messy.jpg/150px-Distribution-frame-0a-messy.jpg)
Unshielded twisted pair (copper) and optical fiber distribution frame.
![](//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Cable-singlecore-25-pair-0a.jpg/220px-Cable-singlecore-25-pair-0a.jpg)
25-pair, 50 conductors.
Objective 2.8: Install components of wiring distribution
A 66 block has a maximum 16 MHz Category 3 signaling compatibility.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/110-punch-block-IDC-0a.jpg/220px-110-punch-block-IDC-0a.jpg)
A 110 block a maximum 100 MHz Category 5 signaling compatibility.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Distribution-frame-0a-messy.jpg/150px-Distribution-frame-0a-messy.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Cable-singlecore-25-pair-0a.jpg/220px-Cable-singlecore-25-pair-0a.jpg)
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).