Airbus Pinout

Airbus XLR5 Adaptor End

XLR5F Pinout
1		Spkr +, must be Gnd
2		Spkr -
3		Mic +, must be Gnd
4		Mic -, needs 5 V
5		Pwr 28 VDC

Riedel XLR4 Adaptor End

Riedel to Bose to XLR5F
1		Mic -, Gnd
2		Mic + (5 VDC)
3		Phones -, Spkr -, Gnd
4		Spkr +

Bose Aviator XLR5

Bose XLR5M Pinout
1		Spkr +, must be Gnd
2		Spkr -
3		Mic +, must be Gnd
4		Mic -, needs 5 V
5		Pwr 28 VDC

Riedel XLR4 to Bose XLR5

Riedel to Bose to XLR5F
XLR4F			XLR5F
Pin #		Desciption	Pin #	Description
1		Mic -, Gnd	3	Mic +
2		Mic + (5 VDC)	4	Mic -, Needs 5 V
3		Phones -, Spkr -, Gnd	1	Spkr +
4		Spkr +	2	Spkr -