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Laser Show Systems - Pinouts

DISCLAIMER: The pinouts shown here were contributed by manufacturers, vendors and individuals. While every effort has been made to insure accuracy, LaserFX.com can not be responsible for any errors or omissions.


Pangolin LDpro-DB25 - Connector and Signal Specifications

Pinout for the DB25 connector, and the 50 pin connector on the back of the QuadMod32 card for Pangolin LDpro Windows software - for complete details, contact info@pangolin.com


Connector Pinouts

The pinout below is for the ribbon cable adapter's DB25F female connector. The chart below lists pins for:

  • The DB25F female connector on the QM32 ribbon cable adapter,
  • The 50-pin connectors on the ribbon cable and the QM32
DB25F QM32 50-pin QM32 Signal name
1 1 X out
2 3 Y out
3 5 Special 3D use (optional)
4 7 Analogue ground
5 9 Analogue ground
6 11 Analogue ground
7 13 Stereo left/right
8 15 Future expansion
9 17 Future expansion
10 19 Blue or C3
11 21 Green or C2
12 23 Red or C1
13 25 Beam Brush
14 2 Future expansion
15 4 Blanked
16 6 Visible
17 8 Future expansion
18 10 C6
19 12 C5
20 14 C4
21 16 ShowTime auxiliary
22 18 Shutter
23 20 Digital ground
24 22 Digital ground
25 24 Digital ground


The analogue grounds are all tied together, You can use pin 4, pin 5, pin 6 or all three. Similarly, the digital grounds (pins 23, 24 and 25) are tied together.
However, the analogue and digital grounds are different and separate grounds. Do not use an analogue ground with a digital signal, and vice versa.


DISCLAIMER: Some of the information in the Backstage area is provided by the persons or companies named on the relevant page(s). Laser F/X does NOT endorse or recommend any products/services and is NOT responsible for the technical accuracy of the information provided.  We provide this information as a service to laserists using the Backstage area. 

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