User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
65
Figure 2-35
The front panel diagrams of
B1FN-40
/B1FN-60/B1FN-80
OUT
RUN
IN
B1FN-40
OUT
RUN
IN
B1FN-60
OUT
RUN
IN
B1FN-80
Table 2-38
LED functional descriptions of
B1FN-40
/B1FN-60/B1FN-80
LED
Color Descriptions
RUN
Green
System running indication:
Blink: running normally
Off: running abnormally
2.2.30 Single CH 1+1 OLP Card (P1P1)
P1P1 is a 1+1 optical line protection card with dual-fed selective receiving
function. It supports automatic/forced/manual switching modes in case of
service interruption caused by fiber line deterioration or interruption.
On the front panel of P1P1 card, there are five LEDs. UNI side provides an
RO interface and a TI interface. NNI side MASTE channel provides a TO1
