PS Engineering PM3000 Installation Manual - Manual (Page 11)

Page 11 200-193-0005 Rev. 8, Nov. 2013
PM3000 (11931A& 11933A) 4-Place Standard Intercom (Without Crew) Wiring Diagram
Copilot Phone Audio (L)
Copilot Phone Audio (R)
Copilot Phone Audio Lo 21
8
20
7
1A
11-33 VDC 13
1
14
PM3000 Sub-D DB-25 Male on unit
Pass 1 Mic
Power In
Ground
AUX Headphone
Jack
A/C PTT
A/C Mic Audio Hi
A/C Mic Audio Lo
To Aircraft Radio Mic Audio Lo
To Aircraft Radio
Phone Low
12
25
Aircraft Radio PTT
To A/C Radio Mic Audio Hi
Aux Mic Jack
To Aircraft Radio
Phone Audio Hi
Pilot Headphone Jack
22
9 Pilot Phones (L)
Pilot Phones (R)
Pilot Phones Lo
Copilot Headphone Jack
Passenger 1
Headphone
Pass 2 Phones Audio (L)
Pass 2 Phones Audio (R)
Pass Phones Audio Lo
19
6
Pass 1 Mic Audio Hi
Pass 1 Mic Audio Lo 15
Pass 2 Mic Pass 2 Mic Audio Hi
Pass 2 Mic Audio Lo 2
Pilot Mic Jack
Copilot Mic Jack
10
23
Pilot PTT
Pilot Mic PTT
Pilot Mic Audio Hi
Pilot Mic Audio Lo
Copilot PTT
Copilot Mic PTT
Copilot Mic Audio Hi
Mic Audio Lo 16
3
Entertainment Input
24
11
18 Music (L)
Music (R)
Music Lo
1. All wire must conform to MIL-22759
or 27500. Minumum 24 gage shielded wire.
2. Use 2-, and 3-, conductor with shield
as indicated.
3. Use insulating washers on all jacks. Jacks
must be electrically floating.
4. Connect shields at intercom end only
5. AUX headphone and microphone jacks are
required.
6. Unswitched #1 is provided to pilot HS in failsafe
7. For 28 V dimmer, remove Jumper 2 from inside unit.
8. Pin 18 is music floating low
9. Connections in dashed area for 11931A & 11933A only.
Pin 18 is music low in 11931A (11933A).
In 11931& 11933 units connect to unit ground, pin 1.
NOTES:
Passenger 2
Headphone
A/C Radio Phone Audio Hi
A/C Radio Phone Audio Lo
Pass 1 Phone Audio (L)
Pass 1 Phone Audio (R)
Pass 1 Phone Audio Lo
17
Unswitched
Audio 2
Unswitched
Audio 1
4
5 Dimmer Connection (14/28V)
See Note 7
See note 6
Unswitched Audio 1
Unswitched Audio 2
Lighting control
See note 8
Note 9:
CONNECTIONS FOR P/N 11931A
& 11933A ONLY