12
USER GUIDE
LED’s BEHAVIOR
User Console Interface – Display LED:
User Console Interface – CAC LED:
Front Panel – Port Selection LEDs:
Front Panel – CAC Selection LEDs:
Front Panel - Port and CAC Selection LEDs:
#
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
3
Flashing
EDID learn in process
#
Status
Description
1
Off
CAC port is disabled or non-selected port
2
On
CAC port is enabled
3
Flashing
EDID learn in process
#
Status
Description
1
All Flashing
Connected peripheral to keyboard or mouse
console ports is rejected
IMPORTANT!
If all the Front Panel LEDs 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 LEDs 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
EDID Learn - Front Panel LEDs:
All LED’s are turned on for 1 second. Then:
•
Port 1 LEDs will flash until the end of the process.
•
Port 2 LEDs will flash until the end of the process if a second video board exists (Dual-head Secure KVM Switch).
•
Port 3 LEDs will flash until the end of the process if a third video board exists (Quad-head Secure KVM Switch).
•
Port 4 LEDs will flash until the end of the process if a fourth video board exists (Quad-head Secure KVM Switch).
