Nevion 3GHD-EO-D15xx - Manual (Page 11)

3GHD-EO-D15xx Rev. 2
nevion.com | 11
5.2 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 LEDs are visible through the front panel as shown in the figure below.
Figure 5: Front panel indicators for the 3GHD-EO-D15xx.xx.
The 3GHD-EO-D15xx.xx has 4 LED’s each showing a status corresponding to the GPI
pinning.
Diode \ State Red LED Yellow LED Green LED No light
Status Module is faulty
Yellow blinking,
DWDM laser
temperature
stabilizing. Module is OK
Module power is OK Module has
no power
LOS/LOCK1 Loss of signal on
electrical output
reclocker Loss of lock on
reclocker Signal OK
LOS/LOCK2 Not used
Laser fail Laser is
malfunctioning. Laser is off Laser is OK