Technical information

20
Using the Bose
®
Aviation Headset X
Notes
For use with a stereo intercom, connect the left and right
channels to their respective positions. For monaural operation,
connect pins 3 & 4 together to the tip of the existing phone jack.
Do not use excessive force or bend the installed connector. This
may damage or break internal solder joints.
If the boom microphone works on radio transmit but not through
the intercom, check pin 6. It may be incorrectly wired to the PTT
segment of the microphone jack.
The wires connecting pins 3 & 4 and pins 5 & 6 are shielded,
twisted pairs with a shield termination exiting with a black wire for
each pair. Connect shields to existing audio wiring shields or to
audio ground, if existing wiring is not shielded.
Connect shield from Comm L and Comm R wire pair to audio
ground.
The pinout for the optional installed connector is:
1 Red Headset power (10-32 VDC). Use a
1
/
4
-amp fuse or a
1
/
2
-amp circuit breaker.
2 Black System ground. Connect to the existing audio ground.
3 White Phone communication-L
4 Black Phone communication-R
5 White Microphone/Hi-audio. Connect to the portion of the
existing microphone jack that corresponds to the ring
position of a headset microphone plug. Do not
connect to the tip (PTT) segment.
6 White/Blue Microphone/Lo-ground. Connect to the portion of the
microphone jack that corresponds to the barrel
position of a headset microphone plug.
Comm Shield Black Shield from Comm 1 and Comm 2 wire pair
Mic Shield Black Shield from Mic Hi and Mic Lo wire pair
Pin Wire Color Description