
Crestron
QM-FTMC
FlipTop Media Center
COMPUTER
This female DB15HD connector is used for connecting a computer’s RGB video
output to the presentation system. A corresponding 3.5mm mini-jack is provided
for the computer sound card output. This port can automatically detect the
presence of an H-sync video signal to support RGBHV and RGBS, and
component video detection by sensing the green video signal on pin 2 to support
RGsB and Y, P
B
, P
R
. Video sensing is accomplished by detecting electrical
activity in the following locations.
•
Horizontal sync on RGB
•
Green Video path on RGB
•
Composite video
SIGNAL DETECTED SIGNAL REPORTED
Green & H Sync
RGB
Green & No H Sync
Component
Composite Composite
Refer to the following table for the DB15HD connector pin-assignments.
•
75
Ω
terminated (R,G,B)
•
Maximum input voltage 1 V
p-p
•
Maximum H and V Sync: 5.0 V
p-p
into 1 k
Ω
RGB DB15HD Pin Assignments
PIN FUNCTION PIN FUNCTION
1
Red Video
9
No Connect
2
Green Video
10
Ground
3
Blue Video
11
No Connect
4
Reserved
12
Monitor Sense 1
5 Ground 13
Horizontal
Sync
6
Red Ground
14
Vertical Sync
7
Green Ground
15
Monitor Sense 2
8
Blue Ground
The computer audio connector provides an unbalanced stereo line-level audio
input (maximum input level 1 V
rms
).
Operations & Installation Guide – DOC. 6311A
FlipTop Media Center: QM-FTMC
•
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