18:vga input, Output, 10/100m interface rj45 – RGBLink VSP 112W User Manual User Manual
Page 28: 8:power supply port of sending card, 9:usb control port of sending card, 10:dvi input, 19:audio output, 20:dvi output, 21:dvi +vga dvi output, Hardware orientation

2. Hardware Orientation
VSP 112W Back Panel
VSP 112W User Manual 28
18:VGA Input
VGA Interface input the video signal from HD player and Computer, etc.
compatible with YPbPr signal, input signal via the DB15 interface.
OUTPUT
1.2.6.7: 10/100M Interface RJ45
Gigabit copper port, used to connect LED screen.
3. 8:Power Supply Port of Sending Card
Power has been already supplied by video processor itself, no external
power supply needed.
4. 9:USB Control Port of Sending Card
5. 10:DVI Input
Input the DVI out originating from other video processors.
(This DVI connector does not support hot-plugging)
19:AUDIO Output
It is used to access the speakers or audio power amplifier system. Can be
connected with the DVI output interface video processor directly.
(This connector does not support hot-plugging)
20:DVI Output
Connect to the monitor or LED screen which has DVI interface
(This DVI connector does not support hot-plugging).
21:DVI +VGA DVI Output
DVI +VGA output via DVI connector connect to the monitor or LED screen
which has DVI interface.
(This DVI connector does not support hot-plugging).