User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
39
NOTE
The NM port and BITS port are designed for internal use.
Reset Button
There is a reset button marked with “RST” on the front panel of MC02
card, which is used to reset the card manually, as shown in Figure 2-12.
Figure 2-12
Reset button
2.2.7 8 2 OTU Muxponder Card (O2A8-D)
O2A8-D card multiplexes 8 channels of any service signals at any rate into
OTU2 optical signals. ODU cross-connect is internally supported.
O2A8-D supports RMON function, alarm and performance monitoring
functions.
O2A8-D is coded by NRZ. It supports the ESC function to integrate the
monitoring information into the service channel for transmission.
O2A8-D has 2 NNI interfaces and 8 UNI interfaces. NNI optical interfaces
support the LC dual-fiber SFP+ optical module or single-fiber SFP+
optical module; UNI optical interfaces support the LC dual-fiber
SFP/SFP+ optical module or single-fiber SFP/SFP+ optical module. The
front panel diagram is shown in Figure 2-13, the LED is described in Table
Figure 2-13
The front panel diagram of O2A8-D
O2A8-D
LOS
1
2
2
1
3
5
4
8
7
6
NNI
UNI
