2 Hardware Architecture
User's Manual
HT8000-I/HT8000-II/HT8000-VI
66
Beijing Huahuan Electronics Co., Ltd.
Version 1.4(Oct.2019)
interface and an RI1 interface; SLAVE channel provides a TO2 interface
and an RI2 interface. The front panel diagram is shown in Figure 2-36,
LEDs are described in Table 2-39.
Figure 2-36
The front panel diagram of P1P1
P1P1
TI
RUN
SLAVE
MASTER
RO
TI
TO1
RI1
TO2
RI2
RI
ALM
MASTER
SLAVE
MA
PRI
Table 2-39
LED functional descriptions of
P1P1
LED
Color
Descriptions
RUN
Green
System running indication:
Blink: running normally
Off: running abnormally
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