Here you will find a description of where the connectors of the Prowise Classic line are located.
Control panel on the right:
Power Button
Return Button
Home Button
Menu Button
Volume Button +
Volume Button -
Inputs:
USB 2.0 (Service port)
HDMI IN 1
HDMI IN 2
HDMI IN 3
HDMI IN 4 (4K/2K)
VGA out (Passthrough)
Audio IN (VGA 1)
VGA IN 1
VGA IN 2
Audio IN (VGA 2)
USB 3.0
USB Touch for external PC/Mac
Inputs below
1 LAN Port for OTA updates
2 Earphone
3 RS232
4 COAX OUT
5 AV IN
6 Audio IN for VGA 3
7 VGA IN 3