The Extron VGA M-M MD Series utilizes Extron MHRVGA Cable with 15-pin HD connectors on each end. Pin 9 of the male connector effectively becomes a +5VDC power source, provided the computer has a graphic card that complies with VESA DDC standard, version 3. Available with molded connectors, this cable is recommended for applications that require passing of ID bit/DDC communications because all ID bits are passed through.