Symbol 5850 from IEC 60417 - Title/Meaning: Serial interface Function/description: To identify a connector for a serial data connection.
Additional information: 
Published in: 3C/854/FDIS
Own work using: iso.org/obp/graphics/grs/f2fd8864-9dd3-4960-b2e5-854d0381d600 200.png
Vectorization:  Mrmw