External Function Description; Front Panel Description - Questtel L-RF-EDFA-18dBm User Manual

5. External Function Description

5.1 Front Panel Description

Power indicator: Switching power supply one power working – yellow; dual
1)
powers working – green.
Input optical power indicator：The input optical power is lower than the given
2)
threshold – red; normal – green.
Pump working status indicator: Red light means the pump is not working, but the
3)
machine parameters are normal; flashing red light means the machine has broken
down, related fault reason see the alarm menu of the display menu; Green light
means the pump is working normal.
4) Output optical power indicator: This light turns on when the output optical power
is large than +10dBm.
5) 160× 32 Dot-matrix LCD screen: used to display all the parameters of the
machine.
6) Display the exit or cancel key of the setup menu.
7) Display the up or increase key of the setup menu.
8) Display the down or decrease key of the setup menu.
9) Display the enter key of the setup menu.
10) Pump laser switching key: used to control the working status of pump laser. "ON"
means the pump laser is open and "OFF" means the pump laser is closed. Ensure
the key is on "OFF" position before power on. After passing self-test, rotate the
key to "ON" position according to the displayed message.
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L-RF-EDFA-18dBm
Schematic diagram of the front panel
- 6 -
EDFA Optical Amplifier User Manual
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