User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
63
Table 2-36
LED functional descriptions of A1PS-M-P12
LED
Color Descriptions
RUN
Green
System running indication:
Blink: running normally
Off: running abnormally
ALM
Red
Alarm status indication:
On: alarm occurs
Off: no alarm
NOTE
NC interface is reserved.
2.2.28 Single CH, Low Noise, Pre+Boost EDFA
(A2GS-NM-P21.P12)
A2GS-NM-P21.P12 can realize amplification function of single channel
optical signal with inte21dBm BA and +12dBm PA, low noise.
A2GS-NM-P21.P12 supports automatic gain control function, which has
no effect on online service when increasing or decreasing the channel.
On the front panel of A2GS-NM-P21.P12, 2 MON interfaces are used to
online monitor optical signals; 2 OUT interfaces are used to output the
amplified signals; 2 IN interfaces are used to input signals to be amplified.
The front panel diagram is shown in Figure 2-34, 2 LEDs are described in
Figure 2-34
The front panel diagram of A2GS-NM-P21.P12
OUT IN
A2GS-NM-P21.P12
BA
PA
NC MON
OUT IN
NC
MON
RUN
ALM
