2 Hardware Architecture
User's Manual
HT8000-I/HT8000-II/HT8000-VI
72
Beijing Huahuan Electronics Co., Ltd.
Version 1.4(Oct.2019)
LED
Color Descriptions
ALM
Red
Alarm status indication:
On: alarm occurs to the card
Off: no alarm
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
RI MASTER
Red
Optical signal receiving indication:
On: the optical power received by
MASTER channel is lower than
threshold
Off: the optical power received by
MASTER channel is higher than
threshold
RI SLAVE
Red
Optical signal receiving indication:
On: the optical power received by
SLAVE channel is lower than threshold
Off: the optical power received by
SLAVE
channel
is
higher
than
threshold