The Guntermann & Drunck FiberVision-(M)-AR2-CON-RM KVM Receiver A1120135 has now been superseded to the DVI-Vision-Fiber(M)-ARU2-CON A1120204, please Click on the link below to take you to the new specifications and Data Sheet
http://www.omniotech.com/gd-dvi-vision-fiber-mm-a1120204-pr-2247.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