Modular Matrix Switcher
Comm-tec Srl 12 www.comm-tec.it
2.3. Signal Card
The MTX88M-N support expansion through various changeable input/ output cards of
different signals including DVI, HDMI, VGA, twisted pair, SDI etc. Here is a brief
introduction to the changeable cards.
2.3.1. 4I-VA
1080P seamless VGA input card with 4 VGA and 4 external L+R audio ports.
4I-VA
● Supports seamless switching, it can be used in combination with other seamless output
signal card.
● Supports video upscaling, converting input video to 1080P or 1920x1200P.
● Supports input resolution selection.
● Manually select VGA (RGBHV), YPbPr, S-VIDEO or C-VIDEO signal format.
● Compatible with HDMI and DVI signal input.
● Supports YCBCR or RGB chrominance space.
● Supports VGA input signal auto correction.
● Supports 4 external L+R audio inputs and audio channel control.
Pin layout of female VGA connector:
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