A collection of graphic symbols for designing communication systems for various purposes.
Based on GOST 2.739-68 "Unified System for Design Documentation. Graphic Symbols in Schematic Diagrams. Telephone Switches, Equipment, and Exchanges."
DWG format.
48 elements.
100 according to GOST.
For convenience, the elements are organized into a tool palette of AutoCAD 2010 blocks.

The archive also contains files created as standard DWG drawings, compatible with AutoCAD 2004-2014, Kompas, ZWCAD, nanoCAD, BricsCAD, and others.