
Cables and
connector assignment
for ATC and C3 headsets
www.sennheiser.com/air-traffic-control-headsets
Sennheiser Communications A/S
Industriparken 27, DK-2750 Ballerup, Denmark
www.sennheiser.com
Publ. 03/18, A01

Headset connector Cable -H-6
Cable -H-6-1
-H-6 stretched approx. 3 m / 9.84 ft
-H-6-1 stretched approx. 2.15 m/ 7.05 ft
Solder side
Cable -6 Cable -7
(steel wire cable)
Designed for
2-connector variants
approx. 1.85 m / 6.07 ft
white
orange
brown
green
yellow
red
blue
screen
Audio Hi non-mic. boom side
Audio Hi mic. boom side
Audio Lo non-mic. boom side
Audio Lo mic. boom side
Not assigned
Microphone Hi
Microphone Lo
Screen
white
orange
brown
green
red
blue
screen
red
blue
screen
yellow
gray Audio Lo non-mic. boom side
red Audio Hi mic. boom side
blue
Audio Hi non-mic. boom side
Audio Hi mic. boom side
Audio Lo non-mic. boom side
Audio Lo mic. boom side
Microphone Hi
Microphone Lo
Screen
approx. 2 m / 6.56 ft
Microphone Hi
Microphone Lo
Screen
Audio Hi non-mic. boom side
Audio Lo mic. boom side
Cable -DI-M-5
6-pole Mini-DIN plug
Solder side
2
4
1
Cable -PTT-6
Cable -PTT-6-1
white Audio Hi non-mic. boom side
orange Audio Hi mic. boom side
brown Audio Lo non-mic. boom side
green Audio Lo mic. boom side
yellow PTT
black PTT
red Microphone Hi
blue Microphone Lo
screen Screen
approx. 2 m / 6.56 ft
1 Microphone Hi
2 Microphone Lo
5
3 Audio Hi non-mic. boom side
3
4 Audio Lo
6
5 Audio Hi mic. boom side
6 Screen
-PTT-6
approx. 1.85 m / 6.07 ft
Cable -L
approx. 2 m / 6.56 ft
1 Audio Hi mic. boom side
Solder side
3
10
5
6
approx. 1 m / 3.28 ft approx. 0.8 m / 2.63 ft -PTT-6-1
approx. 0.3 m / 0.98 ftapprox. 1.5 m / 4,92 ft
Cable -D-3PTT-M with Mini-DIN plug
approx.
0.8 m / 2.63 ft
Solder side
7
5
4
2
2 Audio Lo mic. boom side
3 Not assigned
4 Screen
2
5 Audio Hi non-mic. boom side
149
6 Audio Lo non-mic. boom side
8
7 Microphone Hi
8 Microphone Lo
7
9 Bridge to pin 10
10 Bridge to pin 9
approx.
1.6 m / 5.25 ft
approx. 2.45 m / 8.04 ft
1 Audio Hi
2 Audio Lo
3 Microphone Hi
68
4 Not assigned
5 Not assigned
3
6 PTT
1
7 PTT / screen
8 Microphone Lo

Cable -PTT-LA with angled Lemo plug
Cable -PTT-L with straight Lemo plug
approx.
0.5 m / 1.64 ft
approx. 2.3 m / 7.55 ft
1 Audio Hi mic. boom side
Solder side
7
9
8
1
2
6
10
3
2 Audio Lo mic. boom side
3 PTT
4 PTT / screen/ bridge to pin 9
5 Audio Hi non-mic. boom side
5
6 Audio Lo non-mic. boom side
7 Microphone Hi
4
8 Microphone Lo
9 Bridge to pin 4 / PTT / screen
10 75 Ω resistor between pin 4 and 10 / screen
Cable -PTT-H-6-Micpre
approx. 0.7 m / 2.3 ft
approx. 0.75 m / 2.46 ft
white Audio Hi non-mic. boom side
orange Audio Hi mic. boom side
brown Audio Lo non-mic. boom side
green Audio Lo mic. boom side
yellow PTT
red Microphone Hi
blue Microphone Lo
screen Screen and PTT
approx.
1.75 m / 5.74 ft
approx.
1.5 m / 4.92 ft
Solder side
3
10
5
6
approx. 1.85 m / 6.07 ft
2
149
8
7
1 Audio Hi non-mic. boom side
2 Audio Lo non-mic. boom side
3 PTT
4 PTT (bridge to pin 10)
5 Audio Lo mic. boom side
6 Audio Hi mic. boom side
7 Microphone Hi
8 Microphone Lo
9 Screen
10 PTT (bridge to pin 4)
approx.
0.3 m / 0.98 ft
Cable -PTT-H-6-B | Cable-PTT-H-6-1-B
approx. 0.7 m / 2.3 ftapprox. 0.7 m / 2.3 ft
Cable-PTT-H-6-B stretched approx 3.0 m / 9.84 ft
Cable-PTT-H-6-1-B stretched approx 2.15 m / 7.05 ft
white Audio Hi non-mic. boom side
orange Audio Hi mic. boom side
brown Audio Lo non-mic. boom side
green Audio Lo mic. boom side
yellow PTT
red Microphone Hi
blue Microphone Lo
screen Screen and PTT
Cable -PTT-6-Micpre
approx. 1.0 m / 3.28 ft
approx. 1.05 m / 3.45 ft
white Audio Hi non-mic. boom side
orange Audio Hi mic. boom side
brown Audio Lo non-mic. boom side
green Audio Lo mic. boom side
yellow PTT
red Microphone Hi
blue Microphone Lo
screen Screen and PTT
Cable -UKCABLEPTT -6-1-NG
approx.
0.8 m / 2.63 ft
approx. 1.85 m / 6.07 ft
1 Audio Hi mic. boom side
2 PTT
3 Audio Lo non-mic. both sides
Ground and PTT
4 Microphone Lo
5 Audio Hi mic. boom side
6 Microphone Hi
7 NoiseGard DC + 12 V
Chassis – shield
approx. 1.0 m / 3.28 ft