These notes apply to the previous troubleshooting flowchart.
RF drive level to the laser must be set to the laser manufacturer's specification.
It is possible that the distribution module is set up incorrectly. See the pad and equalizer selection
charts in Appendix A for correct pad and equalization. The C/N performance will suffer if the
RF levels are too low into the first gain stage or the interstage.
Poor C/N Performance