10
USER GUIDE
LED’s BEHAVIOR
User Console Interface – Display LED:
User Console Interface – CAC LED:
Front Panel – Port Selection LED’s:
Front Panel – CAC Selection LED’s:
Front Panel - Port and CAC Selection LED’s:
#
Status
Description
1
Off
Monitor is not connected
2
On
Monitor is connected
3
Flashing
EDID problem – Learn EDID to fix the problem
#
Status
Description
1
Off
CAC is not connected
2
On
Authorized and functional CAC is connected
3
Flashing
Non-CAC peripheral is connected
#
Status
Description
1
Off
Non-selected port
2
On
Selected port
#
Status
Description
1
Off
CAC port is disabled or non-selected port
2
On
CAC port is enabled
#
Status
Description
1
All Flashing
Connected peripheral to keyboard or mouse
console ports is rejected
IMPORTANT!
If all the Front Panel LED’s are flashing and the
buzzer is beeping, the Secure KVM Switch has
been TAMPERED with and all functions are
permanently disabled. Please contact Black Box
technical support at
If all Front Panel LED’s are on and not flashing,
the POWER UP SELF TEST has failed and all
functions are disabled. Check if any of the front
panel port selection buttons are jammed. In this
case, release the jammed button and recycle the
power. If power up self test is still failing, please
contact Black Box technical support
at
