HighSecLabs K304 User Manual page 27

DPP
Problem: DPP is not working (two channels)
Solutions:

Check that computer USB and video cables are not crossed
i.e. computer #1 video is connected to channel #1 while USB
device is connected to channel #2.
Problem: DPP is not working (all channels)
Solutions:

Check that the USB device is properly connected to product
console.

Check that the DPP status LED is steady green. If DPP status LED
is illuminated steady red the device is rejected or non-qualified
for security reasons. To resolve please connect a USB smart card
or CAC reader or contact your system administrator.
Problem: DPP is not working (one channel only)
Solutions:

Check that device is working properly when connected
directly to computer.

Check that there is a USB cable connected between the
computer and the relevant DPP input port on product.
26
4 & 8 port Secure KM Switch User Manual