The Guntermann & Drunck DVIVision-MC2-CON KVM Dual head Receiver, A1220034 has now been superseded to the DVI-Vision-CAT-MC2-AR-CON A1220203, please Click on the link below to take you to the new specifications and data sheet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-a1220203-pr-2232.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