User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
57
LED
Color Descriptions
ALM
Red
Alarm status indication:
On: alarm occurs
Off: no alarm
2.2.23 Single CH, Pre+Boost EDFA (A2GS-M-P17.P12)
A2GC-SM-P21.P17 can realize amplification function of single channel
optical signal with inte17dBm BA and +12dBm PA.
A2GC-SM-P21.P17/A2GC-SM-P17.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-M-P17.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 2-29, 2 LEDs are described in
Figure 2-29
The front panel diagram of A2GS-M-P17.P12
RUN
OUT IN
A2GS-M-P17.P12
BA
PA
NC MON
OUT IN
NC
MON
ALM
Table 2-32
LED functional descriptions of A2GS-M-P17.P12
LED
Color Descriptions
RUN
Green
System running indication:
Blink: running normally
Off: running abnormally