The Guntermann & Drunck FiberVision-(S)-U2-CON KVM Receiver A1120136 has now been superseded to the DVI-Vision-Fiber(S)-ARU2-CON A1120205, please Click on the link below to take you to the new specifications and Data Sheet
http://www.omniotech.com/gd-dvi-vision-fiber-sm-a1120205-pr-2267.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