SDI-TD-MUX-4
Rev.8
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5 Front Panel LEDs
Figure 7 shows how the LEDs are located on the front panel.
Figure 7: Front Panel View with LED Indicators
The table below shows how the front panel LEDs are to be interpreted.
Note that the term “in error” in the table means that there is either a missing signal (no carrier
detect) AND/OR the reclocker has not been able to lock to the incoming signal.
The term “operating normally” means that a signal has been detected (carrier detect on the
cable equaliser) AND the reclocker has been able to lock to the signal.
Diode
Description
Red LED
Orange LED
Green LED
No light
1
Card Status
Power on,
FPGA not
configured
Not applicable
Power on and
FPGA
configured
No power to
board
2
SD IN 1
and
SD IN 2
Both channels
(1 and 2)
in error
One of the
channels
(1 or 2)
in error
Both channels
(1 and 2)
operating
normally
Not
applicable
3
SD IN 3
and
SD IN 4
Both channels
(3 and 4)
in error
One of the
channels
(3 or 4)
in error
Both channels
(3 and 4)
operating
normally
Not
applicable
4
HD OUT
Output failure
Laser failure
Output OK and
laser working
Not
applicable
