16
G
ETTING
Y
OUR
H
EADSET
R
EADY
FOR
U
SE
Details on making the connections
The pinout for the optional installed connector is:
Pin
Wire color
Description
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
Blue
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.
00_AM270261-01_HeadsetXII.book Page 16 Tuesday, August 11, 2009 2:27 PM