Symbol 5314 from IEC 60417 - Title/Meaning: Error in frame alignment Function/description: To indicate an error in the frame alignment signal.
Additional information: 
Published in: Supplement G, 1985
Own work using: iso.org/obp/graphics/grs/f5d95776-d36d-45dc-87c3-8fbdfb880367 200.png
Vectorization:  Mrmw