NCM-1550-EM30 (1550nm externally modulated optical transmitter) operating manual
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3.
Panel Interface and Menu System Description
3.1
Front Panel
1
Power indicator
2
AGC indicator
3
RF modulation degree
indicator
4
Laser indicator
5
LCD
6
ESC key
7
UP key
8
DOWN key
9
Enter key
10
-20dB RF input test port
11
RF input port (or on the
rear panel, optional)
12
Optical output interface A (or
on the rear panel, optional)
13
Optical output interface B (or
on the rear panel, optional)
3.1.1 Indicator Description
Power indicator
One power supply
LED yellow
Two power supplies
LED green
AGC indicator
AGC mode
LED green
MGC mode
LED off
RF modulation degree
indicator
Normal
LED green
Abnormal
LED flash red
Laser indicator
Bias current, cooling current and
output power are all normal
LED green
At least one of bias current,
cooling current and output power
is abnormal
LED flash red
