c64SonetAPSSFBERThreshold 1.3.6.1.4.1.9.10.27.1.1.7.1.4

This is object is used to set the Signal Fail Bit-Error-Rate threshold at which an APS request of priority 'Signal Fail' will be posted. 3 => 10E-3, 4 => 10E-4, 5 => 10E-5