Symbol 5525B from IEC 60417 - Title/Meaning: Video input Function/description: Alternative graphical representation. Same meaning as 5525A.
Additional information: 
Published in: Supplement M, 1994
Own work using: iso.org/obp/graphics/grs/847c553b-da46-4492-a8b1-161fdc26a626 200.png
Vectorization:  Mrmw