Chapter 5: Installation
P/N 3101890-EN • REV 006 • ISS 21JUN18 85
Figure 25: ACHS Class B wiring to an external SIGA-AA30/50 amplifier
(1) Channel 1 audio in
(2) Channel 1 audio in, Alert
(3) Channel 2 audio in, EVAC
Figure 26: ACHS Class A wiring to an external SIGA-AA30/50 amplifier
(1) Channel 1 audio in
(2) Channel 1 audio in, Alert
(3) Channel 2 audio in, EVAC
ACHS
ACHS
ACHS
GAIN
GAIN
TB3
TB3
JP1
JP1
TB2
TB2
25V
25VCOM
COM
25V
COM
25V
COM
TB1
TB1
JP3
JP3
IN
OUT
IN
OUT
AA30/50 AA30/50
(1) (2)
(3)
ACHS ACHS
ACHS
GAIN
GAIN
TB3
TB3
JP1
JP1
TB2
TB2
25V 25VCOM COM
25V COM
25V COM
TB1
TB1
JP3
JP3
IN
OUT
IN
OUT
AA30/50 AA30/50
(1) (2) (3)