The MegaPulse 1089 Series is designed to test Telecommunication Equipment to the Surge Requirements of GR-1089-CORE, Issues 1, 2 and 3. An optional BNC oscilloscope output is available on all models, and the Tektronix P6015 high accuracy oscilloscope probe can be used for proper waveform measurement and waveform capture. Compliance with the tolerance requirements in GR-1089 Issue 4 Appendix A is guaranteed.