The OSP 1812, OSP 1812 M and OSP 1814 are compact optical splitters that are used to split or combine a fiber optic signal.
 
Three versions are available:
 
OSP 1812
One input (100%) and two outputs (each 50%)
 
OSP 1812 M
One input (100%) and two outputs, one at 90% power and a second at10% power. Typically used as a monitoring output.
 
OSP 1814
One input (100%) and four outputs (each 25%)
 
These yellobriks are passive in operation, which means they require no power. They can be used as standalone modules or mounted into the yellobrik RFR 1018 19” rack frame.