SHORTING BAR RT B CB1 FIG 1 P1 TB2 TB1 DS1 K1 2-WIRE DUAL TRANSIENT PROTECTION P1 SPKR (RCU ONLY) J2 F E D C B A 27 V DC RT B RTN RT A RT A RTN GND F E D C B A P2 J1 THIRD RT A C B GND RT A RTN J2 RT A CONTROL-MONITOR (A) 27 V DC CM IN CM OUT GND CM PRES GND J3 CX-13290 CX-13291 TO PA MOUNT J3 K J N M R P A J11 E1B E2B E2A E1A REMOTE CONTROL TRANSFORMERS 13 V DC J7 P1 J X H V L M F d Z a Y D S K RT B OR RCU B RXMT (RT ONLY) J2 F E D C B A AUD FILL F E D C B A J3 AUD DATA F E D C B A J4 ANTENNA J1 (RT ONLY) CG-3855 OR CG-3856 E D C B F A P1 J9 27 VDC J10 AUD FILL F E D C B A AUD DATA F E D C B A J3 J4 13 V DC J8 P1 F d Z a Y RT A OR RCU A