Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

First referenceCompare with

RTR

Symbols

Network router symbol

Routers forward traffic between separate networks, such as a plant network and a remote access link. Drawings commonly use a circle with four outward arrows. Industrial routers may also include cellular modems and firewall functions.

Drawing use: Schematic / GA
Application: Installation & communications
Reference family: IEC

A distinction that matters

A switch forwards within one network; a router connects networks and often enforces security policy.

Full reference

Symbols

Network switch symbol

Ethernet switches are drawn on network and control drawings as a box with opposed arrows, indicating forwarding between ports. Electrical drawings show them in control panels and communication cabinets with their power supply and port connections.

Drawing use: Schematic / GA
Application: Installation & communications
Reference family: IEC

A distinction that matters

A router connects networks at the IP level; a switch forwards frames within a network.

Full reference

Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.