SilentKnight SK-FFT - Manual (Page 39)

Audio Phone Circuit
54711 5-5
5.3.4 Multi-Phone Jack Audio Circuit in Class A
Configuration
For wiring specifications see section 5.3.1.
Figure 5-5 illustrates how to wire the Multi-Phone Jack audio circuit (Class A) and
SLC for Style 6 & 7 (Class A) configuration. In the Multi-Phone Jack configuration, the
maximum Mini-Monitor Contact wiring resistance between to first and last FPJ must
be less that 100 ohms.
Figure 5-5 Multi-Phone jack Audio Circuit in Class A