Nevion 3GHD-EO-2-SFP - Manual (Page 16)

3GHD-EO-2-SFP Rev. B
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5.4 Front panel
– Status monitoring
The status of the module can be easily monitored visually by the LED’s at the front of the
module. The L
ED’s are visible through the front panel as shown in the figure below.
Figure 15 Front panel LED’s
The 3GHD-EO-2-SFP has 3 LED’s each showing a status corresponding to the GPI pinning.
When DIP#3 is on the LED’s are used as an optical power meter.
Table 3 Front panel LED’s
Diode \ State Red LED Yellow LED Green LED No light
Status Module is faulty, or
module is
initializing.
N/A Module is OK
Module power is OK Module has no
power
LOS/LOCK1 No input signal on
electrical output 1.
Input signal on
electrical output
1 but reclocker
not in lock. Input signal on
electrical output 1
and reclocker in
lock.
LOS/LOCK2 No input signal on
electrical output 2.
Input signal on
electrical output
1 but reclocker
not in lock. Input signal on
electrical output 1
and reclocker in
lock.
CHO Main input selected
on cho N/A Backup input
assigned to cho No ouput
signal assign
to the cho
block