19:sdi loop out, Output interface, 21:dvi output – RGBLink VSP 5162PRO User Manual
Page 28: 22:vga output, Switch and power, 12:power interface and switch, Optional module, S. v. d. u optional module, Hardware orientation, 19 : sdi loop out

2. Hardware Orientation
VSP 5162PRO Back Panel
VSP 5162PRO User Manual 28
19:SDI Loop Out
SDI loop out, connect to the SDI input of the next VSP 5162PRO or the
device with SDI input.
Output Interface
20. 21:DVI Output
Connect to the monitor or LED display which has DVI interface.
(This DVI connector does not support hot-plugging).
22:VGA Output
Connect to the monitor or LED display which has VGA interface.
(This VGA connector does not support hot-plugging).
Switch and Power
11. 12:Power Interface and Switch
AC 85-264V 3.8A 50/60Hz IEC-3 Power Interface.
Optional Module
6: S. V. D. U Optional Module
Compatible with SDI, VGA, DVI or USB optional module. SDI optional
module includes 2 3G-SDI input and 2 SDI loop out. VGA optional module
includes 2 VGA input (DB15port), DVI optional module includes 2 DVI-I
(compatible with HDMI) input, and USB optional includes 2 USB input.
3G-SDI Input (S Optional Module): Input video signal from HD camera
and radio processing equipment, connect SDI interface via 75 ohms
impedance BNC port.
SDI Loop Out (S Optional Module): Connect to the SDI input of the next
VSP 5162PRO or the device with SDI input.