User
’s manual
3
3.
Operation instructions
To ensure the normal operation of EDFA, you must operate in accordance with
the following methods:
3.1 Connection
Ensure that the device is well grounded;
Measure input optical power, confirm within the EDFA input optical power
range, check the input and output optical fiber connector whether is
consistent with EDFA optical interface connector, and cleaning the connector
ends;
Connect input and output optical fiber.
3.2 Turn on/off procedure
when key switch is closed, plugging the power line of rear panel, turning on
power switch, at this time, the LCD screen is on and LED indicator displays
green. After a moment, turn on key switch, Preheating 5-10 minutes, and
EDFA enters the normal working state.
The sequence of shutting down is opposite to the starting order. Firstly , turn
off key switch, secondly, turn off power ,and unplug power line.
3.3 LED indicator description
The front panel LED indicator shows the following contents:
Power Indicator
When connecting power, green LED is on.
Alarm state display
When normal working, alarm led should turn off. After turn off pump laser,
alarm led flash red(including key switch shutting down and all kinds of
alarm state. Example for: input optical power below -5dBm)
Alarm indicator