Extron electronic Network Card P 2 DA1 User Manual

User’s Guide  
P/2 DA1  
VGA Line Driver  
68-480-01 Rev. C  
07 06  
 
Installation  
The Extron P/2 DA1 is a one input, one output VGA line driver. It  
boosts the video signal between a laptop or desktop computer (input  
device) and a monitor or large screen projector (output device).  
15-pin HD input connector  
1
2
3
Power LED — Lights to indicate that the P/2 DA1 is on.  
Signal LED — Lights to indicate that an input signal is  
being received.  
Features  
• The P/2 DA1 accepts and outputs VGA, XGA, SXGA, RsGsBs,  
RGsB, RGBS, and RGBHV signals.  
Gain/peaking switch — Compensates for cable resistance  
4
• The gain/peaking switch increases video signal voltages to  
compensate for signal degradation caused by long cables.  
and capacitance.  
Normal — Output is the same level as input.  
Installation  
Medium — 50% of the total gain is applied. Peaking is  
To install the P/2 DA1, do the following:  
applied.  
1.  
2.  
3.  
4.  
Turn off power to the input and output devices and unplug  
their power cords.  
Maximum — 100% of the total gain is applied. Peaking is  
applied.  
Connect the computer to the 15-pin HD male input  
If the signal cable between the P/2 DA1 and the output  
device is shorter than approximately 125 feet, and the gain  
switch is set to Medium or Maximum, the image may be  
overcompensated. If the edges of the image seem to exceed  
their boundaries, or if thin lines and sharp edges look thick  
and fuzzy, try changing the gain/peaking setting.  
connector (see  
in the “Operation” illustration below).  
1
Connect the output device to the 15-pin HD female output  
connector (see in the “Operation” illustration below).  
5
Reattach power cords, and apply power to the P/2 DA1  
and to the input and output devices.  
15-pin HD output connector  
5
6
Many laptop computers have an external video port, but  
they require special commands to output the video to that  
connector. Also, many laptops’ screens shut off after the  
port is activated. See the computer’s user’s guide for  
details, or contact Extron for a list of laptop keyboard  
commands.  
Power supply — 110–250 V desktop for international use.  
Specifications  
Video  
Gain ................................................... 0 dB, 0.6 dB, 1.2 dB, selectable: when input is  
0.7 Vp-p, output is 0.7 V, 0.75 V, 0.8 Vp-p  
Operation  
To computer  
when switch is at normal, medium, and  
maximum positions, respectively  
VGA IN  
Bandwidth ........................................ 300 MHz (-3 dB)  
Note: ID bits will be passed through.  
1
Video input  
Number/signal type ...................... 1 VGA-UXGA RGBHV, RGBS, RGsB, RsGsBs  
Connectors ....................................... (1) 15-pin male  
Nominal level .................................. 0.7 Vp-p for RGB  
Minimum/maximum levels ......... Analog: 0.3 VDC to 1.5 VDC p-p with no  
offset at unity gain  
2
3
POWER  
SIGNAL  
GAIN/PEAKING  
NORMAL  
MEDIUM  
MAXIMUM  
4
Impedance ........................................ 75 ohms  
Horizontal frequency ..................... 15 kHz to 135 kHz  
Vertical frequency ........................... 30 Hz to 170 Hz  
6
5
Video output  
VGA OUT  
Number/signal type ...................... 1 VGA-UXGA RGBHV, RGBS, RGsB, RsGsBs  
Connectors ....................................... (1) 15-pin HD female  
To display device  
2
P/2 DA1 Installation and Operation  
P/2 DA1 Operation and Specifications  
3
 

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