Garmin GMA 342 Installation Manual page 63

APPENDIX C INTERCONNECT DRAWINGS
LEMO SHIELD WIRES
CONNECT TO GMA SHIELD
BLOCK USING RING
CONNECTORS
LEMO MONO CONNECTION DIRECT TO AUDIO PANEL
GMA AUDIO PANEL
LEFT HS
RIGHT HS NC
MIC HI
MIC LO
PTT*
ALL SPLICES FROM LEMO
JACK OCCUR AT GMA END OF
HARNESS
LEMO SHIELD WIRES
CONNECT TO GMA SHIELD
BLOCK USING RING
CONNECTORS
LEMO STEREO CONNECTION DIRECT TO AUDIO PANEL
GMA AUDIO PANEL
LEFT HS
RIGHT HS
MIC HI
MIC LO
PTT*
190-01878-02
Revision 5
1/4 INCH HEADSET JACK
LEFT HEADSET AUDIO
RIGHT HEADSET AUDIO
HEADSET AUDIO LO
TO UNIT CONNECTOR
TO UNIT BACKSHELL
MICROPHONE JACK
USING SHIELD BLOCK.
PTT
TERMINATE USING MICROPHONE HI
MICROPHONE LOW
RING TERMINAL.
*DENOTES ACTIVE LOW.
NOTE FOR HAND MICS:
THE CONNECTION BETWEEN PTT AND THE MIC JACK TIP IS
GMA AUDIO PANEL
REQUIRED IF HAND MICS WILL BE USED. *DENOTES ACTIVE LOW.
SEE BELOW FOR EXAMPLE.
PTT*
MIC HI
MIC LO
6 PIN LEMO JACK
1/2 AMP BREAKER
+10-32 VDC RED
1. +VIN
BLK
2. GND
WHT
3. HEADSET L
BLU
4. HEADSET R
BLK
WHT
5. MIC HI
WHT/BLU
6. MIC LO
BLK
PTT
6 PIN LEMO JACK
1/2 AMP BREAKER
+10-32 VDC RED
1. +VIN
BLK
2. GND
WHT
3. HEADSET L
BLU
4. HEADSET R
BLK
WHT
5. MIC HI
WHT/BLU
6. MIC LO
BLK
PTT
LEMO JACK PINOUT
6 PIN LEMO JACK
H
S RED
BLK
WHT
M
I BLU
C
BLK
WHT
WHT/BLU
BLK
PTT
M
I
C
LEMO SHIELD WIRES
CONNECT TO GMA SHIELD
BLOCK USING RING
CONNECTORS
GMA AUDIO PANEL
HEADSET LO
CONNECT LEMO GROUND TO
THE SHIELD BLOCK OF THE
AUDIO PANEL
LEFT HS
RIGHT HS NC
MIC HI
MIC LO
PTT*
PTT
ALL SPLICES FROM LEMO
JACK OCCUR AT GMA END OF
HARNESS
LEMO SHIELD WIRES
CONNECT TO GMA SHIELD
BLOCK USING RING
CONNECTORS
CONNECT LEMO GROUND TO
GMA AUDIO PANEL
THE SHIELD BLOCK OF THE
AUDIO PANEL
HEADSET LO
LEFT HS
RIGHT HS
MIC HI
MIC LO
PTT*
PTT
ALL SPLICES FROM LEMO
JACK OCCUR AT GMA END OF
HARNESS
AIRCRAFT GROUND
1. +VIN
SHIELD BLOCK GROUND
2. GND
WIRE SPLICE
3. HEADSET L
MOMENTARY CONTACT
PUSH BUTTON
4. HEADSET R
5. MIC HI
6. MIC LO
LEMO MONO CONNECTION TO EXISTING JACKS
H
S
6 PIN LEMO JACK
1/2 AMP BREAKER
+10-32 VDC RED
1. +VIN
BLK
2. GND
WHT
3. HEADSET L
BLU
4. HEADSET R
BLK
WHT
5. MIC HI
WHT/BLU
6. MIC LO
BLK
M
I
C
LEMO STEREO CONNECTION TO EXISTING JACKS
H
S
6 PIN LEMO JACK
1/2 AMP BREAKER
RED RED
+10-32 VDC
1. +VIN
BLK
2. GND
WHT
3. HEADSET L
BLU
4. HEADSET R
BLK
WHT
5. MIC HI
WHT/BLU
6. MIC LO
BLK
M
I
C
Figure C-7 LEMO Connector Example Interconnect Drawing
CONNECT LEMO GROUND TO
THE SHIELD BLOCK OF THE
AUDIO PANEL
CONNECT LEMO GROUND TO
THE SHIELD BLOCK OF THE
AUDIO PANEL
GMA 342/345 Installation Manual
Page C-7