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Business Main Distribution Frame (MDF)

An example of a corporate telecommunications Main Distribution Frame (MDF) in Melbourne

The Main Distribution Frame, or MDF as it is commonly known, is where the legal responsibility of Telstra and the other Telco’s finish.

From the Main Distribution Frame / MDF into the premises, all telecommunications wiring is privately owned and maintained.

The Main Distribution Frame / MDF is the lifeline of many business tenancies and must not be accessed by amateurs!

Only use fully licensed Phone Technicians who specialise in telecommunications to connect your data or phone line to your equipment.

Failure to do so can result in disconnection of the wrong line/s costing another business many thousands of dollars in damages.

There can only be one Main Distribution Frame or MDF in any one building.

Other telecommunication frames are referred to as Floor Distributors (FD’s) or local distributors.

In Telco talk the Main Distribution Frame / MDF is also referred to as the Network Boundary Point.

Locating the Main Distribution Frame / MDF

An example of a "tagged line" waiting for connection

The location for the Main Distribution Frame / MDF can vary in large buildings, but the correct location is either on the ground floor or basement/car park.

Main Distribution Frames for large buildings are usually locked in a communications room and require access from a building manager.

Small shops will usually have a small Main Distribution Frame / MDF located inside but near the front of the premises.

Main Distribution Frame / MDF Connections

During the installation process, your provider will arrange to have a Telstra contractor connect and identify the data or phone line with a card (tag) on the Main Distribution Frame. (MDF)

This then allows a licensed Phone Technician to identify the line and connect it through to where ever it needs to go.

A tagged data or phone line on the Main Distribution Frame / MDF will contain appropriate information for your private Licensed Phone Technician, including;

  1. The name on the order.
  2. The phone number of the line being connected (if appropriate).
  3. The order number associated with the service.
  4. The date when the line was connected and tagged.
  5. Cable details (more information for your Phone Technician).

For connections or more information on MDF’s, please contact our office and one of our friendly staff will assist you further.

An example of a corporate telecommunications Main Distribution Frame (MDF) in Melbourne
An example of a corporate telecommunications Main Distribution Frame (MDF) in Melbourne
Exterior view of a small 10 pair (10 lines) Main Distribution Frame (MDF) Inside view of a new 10 pair (10 lines) Main Distribution Frame (MDF) Telecommunications Floor Distribution Frame (10 lines)
Exterior view of a small
10 pair (10 lines)
Main Distribution Frame
(MDF)
Inside view of a new
10 pair (10 lines)
Main Distribution Frame
(MDF)
Telecommunications
Floor Distribution Frame
(10 lines)

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