Nevion 3GHD-EO - Manual (Page 17)

3GHD-EO / 3GHD-EO-2 Rev. E
nevion.com | 17
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.
The 3GHD-EO(-2)
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, or
module is initializing.
N/A Module is OK
Module power
is OK Module
has no
power
LOS/LOCK1 No input signal on
optical output 1.
Input signal on
optical output 1
but reclocker not
in lock. Input signal on
optical output 1
and reclocker in
lock.
LOS/LOCK2 No input signal on
optical output 2.
Input signal on
optical output 1
but reclocker not
in lock. Input signal on
optical output 1
and reclocker in
lock.
Laser fail Laser is
malfunctioning. Laser is off Laser is OK