Specifications
Audio International, Inc. A/V-9691-01(-02)-x Installation & Operation Manual
Document # 540250, Rev D, 07/2004
Page 27 of 33
P12
Pin Description Pin Description
1 Reserved 26 PA/Chime Audio Output Low #1 (600 Ω)
2 Ground Input 27 PA/Chime Audio Output Low #2 (600 Ω)
3 Reserved 28 Pilot Chime Output Low
4 Briefer Audio Input High 29 Co-pilot Chime Output Low
5 Pilot Mic Audio Input High 30 Pilot Sidetone Output Low
6 Pilot Mic Bias Jumper #1 31 Co-pilot Sidetone Output Low
7 Co-pilot Mic Audio Input High 32 Speaker Audio Output Low #1 (8 Ω)
8 Co-pilot Mic Bias Jumper #1 33 Speaker Audio Output Low #2 (8 Ω)
9 Cabin Mic Audio Input High 34
Weight on Wheels Input (gnd active) *
10 PA/Chime Audio Output High #1 (600 Ω) 35
Cabin Ringer Input (gnd active) *
11 PA/Chime Audio Output High #2 (600 Ω) 36
Cockpit Chime Inhibit (gnd active) *
12 Pilot Chime Output High (600 Ω) 37
Briefer PTT Input (gnd active) *
13 Co-pilot Chime Output High (600 Ω) 38
Pilot PTT Input (gnd active) *
14 Pilot Sidetone Output High (600 Ω) 39 Pilot Mic Bias Jumper #2
15 Co-pilot Sidetone Output High (600 Ω) 40
Co-pilot PTT Input (gnd active) *
16 Speaker Audio Output High #1 (8 Ω) 41 Co-pilot Mic Bias Jumper #2
17 Speaker Audio Output High #2 (8 Ω) 42 Cabin Mic PTT Input (gnd active)
18 Reserved 43
Cockpit Chime Input (gnd active)*
19 Reserved 44
Two Tone Input #1 (+28VDC active)**
20
Low Tone Input (+28VDC active)**
45
Two Tone Input #2 (+28VDC active)**
21 Briefer Audio Input Low 46
Two Tone Input #3 (+28VDC active)**
22 Pilot Mic Audio Input Low 47
PA/Chime Key Output #1 (gnd active)*
23
Low Tone Input #2 (gnd active) *
48
PA/Chime Key Output #2 (gnd active)*
24 Co-pilot Mic Audio Input Low 49
High Tone Input #1 (gnd active)*
25 Cabin Mic Audio Input Low 50
High Tone Input #2 (+28VDC active)**
*All Ground Actives function at < 1.2 VDC
**All +28 VDC Actives function at >22.0 VDC
P13
Pin # Description
A + 28 VDC Main Input (Chime/PA & Amps)
B Ground Input
C Right Speaker Output #1 High
D Right Speaker Output #1 Low
E Left Speaker Output #1 High
F Left Speaker Output #1 Low
G Right Speaker Output #2 High
H Right Speaker Output #2 Low
J Left Speaker Output #2 High
K Left Speaker Output #2 Low
L +28 VDC Emergency Input (Chime/PA & Amps)