2 Hardware Architecture
User's Manual
HT8000-I/HT8000-II/HT8000-VI
68
Beijing Huahuan Electronics Co., Ltd.
Version 1.4(Oct.2019)
2.2.31 Single CH 1+1 OLP Card (P1P1-M)
P1P1-M is a 1+1 optical line protection card. It supports automatic
/forced/manual switching modes in case of service interruption caused by
fiber line deterioration or interruption.
P1P1-M card provides the interface between the system and the network
management system; works with the network management system to
manage each card of the equipment and realizes the intercommunication
between the equipment.
On the front panel of P1P1-M card, there is an NM interface, a CONSOLE
interface and 5 LEDs. UNI side provides an RO interface and a TI
interface. NNI side MASTE channel provides a TO1 interface and an RI1
interface; SLAVE channel provides a TO2 interface and an RI2 interface.
The front panel diagram is shown in Figure 2-37, LEDs are described in
Figure 2-37
The front panel diagram of P1P1-M
P1P1-M
RO
TI
TO1
RI1
TO2
RI2
NM
CONSOLE
SLAVE
MASTER
TI
RUN
SLAVE
MASTER
RI
ALM
MA
PRI
Table 2-40
LED functional descriptions of
P1P1-M
LED
Color
Descriptions
RUN
Green
System running indication:
Blink: running normally
Off: running abnormally
