Transmission Concepts II

Question 1

What is a Demarcation Point?

Answer 1

The point of division between a telecommunications service carrier’s network and a building’s internet network. Also known as “DEMARC”.

Question 2

What is “MDF”

Answer 2

(Main Distribution Frame) Also known as a “Main Cross-connect, the first point of interconnection between an organization’s LAN or WAN and a service providers facility.

Question 3

What is a punch-down block?

Answer 3

A panel of data receptors into which twisted pair wire is inserted, or punched down, to complete a circuit.

Question 4

What is “IDF”?

Answer 4

(Intermediate Distribution Frame) A junction point between the MDF and concentrations of fewer connections-for example, those that terminate in a telecommunications closet.

Question 5

What is a Telecommunications Closet?

Answer 5

Also known as a “Telco Room”, it contains connectivity for groups of workstations in its area, plus cross-connections to IDFs or in smaller organizations, an MDF.

Question 6

What is “Horizontal Wiring”?

Answer 6

This is the wiring that connects workstations to the closet telecommunications closet. The maximum allowable distance for horizontal wiring is 100m.

Question 7

What is “Vertical cross connect”?

Answer 7

Part of a network’s backbone that supplies connectivity between a building’s floor.