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Free structured cabling diagram maker.

Draw a structured cabling diagram by describing the MDF, IDFs, patch panels, backbone fiber, horizontal cabling, racks, and labelled work area outlets.

Network TopologyEnter to send

Free account, no card · Export SVG, PNG or PDF

See it work

Structured cabling diagram examples.

Same tool, four requests. Every drawing below is a real render.

What you type
A structured cabling diagram for an office: ISP demarcation enters an MDF rack with an edge router, core switch, and MDF patch panel; a fiber backbone goes to an IDF patch panel and access switch, which connect by Cat6 to work area outlets A-01 through A-03.
Then tryAdd a second IDF for the next floorLabel the backbone as OM4 fiber
Network topology: Office MDF and IDF
Network topology · Cisco-convention topology icons · schematex-network

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The drawing

What a structured cabling diagram is.

A structured cabling diagram shows the physical cabling system that connects a building or site. It maps the main distribution frame, intermediate distribution frames, patch panels, backbone fiber, horizontal cable runs, racks, and work area outlets.

It is different from a logical network diagram because the permanent cable path and termination points are the focus. Clear labels connect the drawing to room records, patch-panel ports, and physical outlet identifiers.

Standard
Cisco-convention topology icons
Also follows
Hierarchical / spine-leaf models · ANSI/TIA-606 · ONVIF
Engine
schematex-network
Editable
Double-click text, drag nodes
Export
SVG · PNG · PDF
Network topology: What a structured cabling diagram is
Who uses it

Who uses structured cabling diagrams.

Network topology: IT managersIT managers

Plan distribution rooms, backbone fiber, and outlet capacity for an office or building.

Network topology: Low-voltage contractorsLow-voltage contractors

Document permanent cable paths, patching, and labelled outlets during an installation.

Network topology: Data center teamsData center teams

Show cross-connects, row distribution, rack paths, and redundant server cabling.

How it works

How to make a structured cabling diagram in three steps.

01

Describe it

One paragraph is enough to start.

“A structured cabling diagram for an office: ISP demarcation enters an MDF rack with an edge router, core switch, and MDF patch panel; a fiber backbone goes to an IDF patch panel and access switch, which connect by Cat6 to work area outlets A-01 through A-03.”
02

See the drawing

Drawn by the right engine.

Network topology: Office MDF and IDF
03

Say what changes

Every edit keeps a version.

Add a second IDF for the next floor
V2 · DRAWN FROM V1, NOTHING RETYPED
FAQ

Common questions

What is a structured cabling diagram?

It is a drawing of the physical cabling infrastructure, including distribution rooms, patching, backbone links, and work area outlets.

What is the difference between an MDF and an IDF?

The MDF is the central distribution location; an IDF is a local distribution point that serves an area or floor from the MDF.

What cable types should be labelled?

Label the permanent media where useful, such as fiber for the backbone and Cat6 or Cat6A for horizontal runs.

How should work area outlets be named?

Use a consistent unique identifier that links the outlet to its room, patch panel, and port record.

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Draw your structured cabling diagram now.

Free account, no card. Describe the rooms, panels, cable runs, and outlet labels.

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