UMX4x4-Pro
User’s Manual
Section
3
.
Controls
and connections
Page 19 / 129
3.3.
Electrical connections
3.3.1. DVI inputs
UMX4x4-Pro provides standard 29 pole DVI-I connectors for inputs. This way, users can
plug in any DVI connector, but keep in mind that analog signals (such as VGA or RGBHV)
are processed only on the DVI inputs.
Always use high quality DVI cable for connecting sources and displays.
Pin
Signal
Pin
Signal
Pin
Signal
1
TMDS Data2-
9
TMDS Data1-
17
TMDS Data0-
2
TMDS Data2+
10
TMDS Data1+
18
TMDS Data0+
3
TMDS Data2 Shield
11
TMDS Data1 Shield
19
TMDS Data0 Shield
4
nc
12
Nc
20
nc
5
nc
13
Nc
21
nc
6
DDC Clock
14
+5V Power
22
TMDS Clock Shield
7
DDC Data
15
GND (for +5V)
23
TMDS Clock+
8
Analog Vertical Sync
1
16
Hot Plug Detect
24
TMDS Clock-
C1
Analog Red
1
C2
Analog Green
1
C3
Analog Blue
1
C4
Analog Horizontal Sync
1
C5
GND
Table 3-1. DVI-I connector pin assignments
Figure 3-3. DVI connector
1
- These pins are connected only on the DVI inputs.
3.3.2. DVI outputs
29 pole DVI-I connectors for outputs have only digital pins internally connected. This way,
users can plug in any DVI connector, but keep in mind that analog signals (such as VGA
or RGBHV) are NOT available on the outputs.
Fiber Cable powering
DVI outputs are able to supply 500 mA current on DDC +5V output (pin 14 on output
connectors) which is sufficient to supply power to fiber optical DVI cables. Standard DVI
outputs usually supply only 55 mA current on +5V output, thus unable to directly power a
fiber optical cable.
Info
The matrix switcher does not check if the connected sink (monitor, projector or other
equipment) supports Hotplug or EDID signals but outputs the selected signal immediately
after switch command.
C1
C2
C4
C3
1 2 3
4 5
6 7
8
9 10 11
12 13
14 15 16
17 18 19
20 21
22 23 24
C5
