User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 64
Issue 1 06/01
Figure 50. PCMRxData signal at J308.
Figure 51. PCMTxData signal at J307
PCMTxData signal at J307 (Figure 51). This signal comes from the other end’s
microphone or audio playing software (voice recorder, video player etc) and is
targeted for the earpiece or hands free speaker. There should be activity during
a call. Signal rise and fall times are around 4–7ns. Idle state is low.