User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
79
LED
Color Descriptions
OSC-I
Red
Optical port signal state indication:
On: optical signal lost in the in-band
monitoring channel
Off: optical signal is received in the
in-band monitoring channel
OSC-E
Red
Optical port signal state indication:
On: optical signal lost in the out-of-band
monitoring channel
Off: optical signal is received in the
out-of-band monitoring channel
MA
Red
NNI-side optical signal receiving
indication:
On: the received optical power is lower
than threshold
Off: the received optical power is higher
than threshold
TI
Red
UNI-side optical signal receiving
indication:
On: the received optical power is lower
than threshold
Off: the received optical power is higher
than threshold
CHL1
Red
NNI-side CHL1 channel optical signal
receiving indication:
On: the received optical power is lower
than threshold
Off: the received optical power is higher
than threshold
