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18 Display restore factory setting interface, as shown below:
R E S T O R E
Press "ENTER" button, jump ① to display.
Press "ENTER" button, enter restore factory confirm interface.
Press "NEXT" button, cancel restore factory setting, and jump to restore factory
setting interface.
Press "NEXT" button, confirm restore factory setting. First displaying restore
factory setting success, then pressing"ENTER" button to jump restore factory setting
interface.
R E S T O R E
4. Alarm breakdown analysis
Alarm
Pin<input optical power
threshold,
no
input
optical power alarm
Pout<output
optical
power
threshold,
input
optical
power
alarm
F A C T O R Y
F A C T O R Y
Possible cause
1. Optical transmitter no optical
output
2. Input optical fiber connector is
not connected well
3. Connector end face damaged
4. EDFA damaged
1. Pump don't turn on switch
no
2. Input optical wavelength not
within 1530nm-1560nm
3. EDFA damaged
C O N F
C A N C E L
A F F
S U C C E S S
10
User's manual
I
R M
I
R M
Pre-warranty check
1. Check input optical
power by optical power
meter
2. Clean
input
optical
connector
3. Re-plug
optical
connector
1. Check
pump
whether is on state
2. Check
input
optical
wavelength
whether
within 1550nm-1560nm
3. Check
environment
temperature whether is too
high causing pump off
automatically
switch
is
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