Patent ID: 8886006

Claim:
A protection cap assembly for protecting an optical fiber connector assembly, the optical fiber connector assembly comprising a first shell and a second shell, the first shell comprising a first side surface, two first protrusions extending from the first side surface and being spaced from each other, and a number of first lenses, each first protrusion comprising a first matching surface parallel to the first side surface, two first lenses extending up from the first matching surface, the second shell comprising a number of second lenses; and the protection cap assembly comprising: a first protection cap comprising a first bottom plate and four first sidewalls extending from four peripheral sides of the first bottom plate, the first bottom plate and the four first sidewalls cooperatively defining a first receiving space, the first protection cap engaging with the two first protrusions to be assembled with the first shell and to enclose the first lenses and the two first protrusions in the first receiving space; and a second protection cap configured to sleeve over the second shell to enclose the second lenses.