Guntermann & Drunck DL-DVI-Vision-CAT series Installation And Operating Manual page 76

Installation
Establishing the power supply
USB 2.0 Trans. Serial Mouse
Generic
USB 2.0 Devices
Transmission DVI-D DL Out Micro In Speaker Keyb./Mouse Keyb. Red. Power
Insert one of the supplied IEC cables here.
Main Power:
To provide a second, redundant power supply, connect a portable power
Red. Power:
pack to this interface.
9 · G&D DL-DVI-Vision-CAT