Flightcom 403 - Page 8

CIRCUIT
BREAKER
18 19 20 1 17 21 8 22 23 24 25 7 2 10 9 6 3 14 5 4 13 11 12 16 15
PTT
7
PILOT
MIC
7
2
13
9
HDPH
PTT
6
CO-PILOT
HDPH
MIC
MIC
13
HDPH HDPH
MIC
MIC
13
HDPH HDPHMIC
11
13
16
14
13
PASSENGERS
11
15
4
11
11
11
13
6
3
POWER 12-28V
1AMP
AVIONICS GROUND
TRANSMIT KEYLINE
RECEIVE AUDIO
TRANSMIT AUDIO
ICS
Isolate
FLIGHTCOM 403
Sq Vol
ICS
Squelch Volume
Isolate
403
INTERCOM
Optional
SMALL Pa
nel
FLIGHTCOM 403
Intercom
MIC
HDPH
CONNECTIONS TO EXISTING
JACKS
AIRCRAFT RADIO
Rear view (Solder Terminal Side) of 25 pin D-sub plug (male Pins)
13
25
14
1
TIP
RING
BARREL
NOTES: Auxiliary input is pin no.18. Isolate all mic
j
acks from airframe.
Figure 8 - Connection Schematic - Mono Mode
6