The Guntermann & Drunck DVIVision-MC2-CPU KVM Dual head transmitter, A1210053 has now been superseded to the DVI-Vision-CAT-MC2-AR-CPU A1210172, please Click on the link below to take you to the new specifications and data sheet
http://www.omniotech.com/gd-dvi-vision-cat-dual-head-screen-a1210172-pr-2233.php
The added advantages are as follows:
Audio and Serial as standard
Operational On-Screen Display
Pro-active system Monitoring & Web Interface as standard
Optional Rack Mount kit