2 status by led’s 4.2.1 led status description, 2 status by led’s – Nevion EDFA-B-C 17dBm User Manual
Page 8
EDFA-B-C 17dBm
Rev. B
nevion.com | 8
4.2
Status by LED’s
The status of the module can be easily monitored visually by the LEDs at the front of the
module. The LEDs are visible through the front panel as shown below.
Figure 2: Panel indicator overview (Text not printed on the front panel)
4.2.1 LED status description
The functions of the different LEDs are described in table below.
Diode \ state
Red LED
Yellow LED
Green LED
No light
Status
Module is faulty
Module is OK
Module has power
Module has
no power
TEMP
Laser
temperature
alarm
Ambient
temperature alarm
Temperature is OK
LOS & LOP
Loss of input
signal
Loss out output
signal
(mute/bypass)
Signal is OK
LASER
Laser fail
Laser disabled
(mute/bypass)
Laser is OK.
Status
TEMP
LOS & LOP
LASER