User's Manual
HT8000-I/HT8000-II/HT8000-VI
2 Hardware Architecture
Version 1.4(Oct.2019)
Beijing Huahuan Electronics Co., Ltd.
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TI interface (connecting to TX interface of UNI-side device) inputs UNI-side TX
signal and transmits it to TO1 interface of NNI-side MASTER channel.
2.
SEC: the optical path with low-priority
RO interface (connecting to RX interface of UNI-side device) outputs optical
signal which received by RI2 interface of NNI-side SLAVE channel to the RX
interface of UNI-side low-priority device.
TI interface (connecting to TX interface of UNI-side device) inputs TX signal of
UNI-side low-priority device and transmits it to TO2 interface of NNI-side
SLAVE channel.
When the MASTER channel fails, for example, the fiber is broken:
1.
PRI: The optical path with high-priority
RO interface (connecting to RX interface of UNI-side device) outputs optical
signal which received by RI2 interface of NNI-side SLAVE channel.
TI interface (connecting to TX interface of UNI-side device) inputs UNI-side TX
signal and transmits it to TO2 interface of NNI-side SLAVE channel.
2.
SEC: the optical path with low-priority
RO interface (connecting to RX interface of UNI-side low-priority device) service
is interrupted.
TI interface (connecting to TX interface of UNI-side low-priority device) service
is interrupted.
Management Ports
P1R1-M provides 1 NM port and 1 CONSOLE port as its network
management ports, marks and definitions are shown in Table 2-12.
Network management ports use standard RJ-45 socket whose connector
diagram is shown in Figure 2-9, NM port is the FE electrical port; see its
socket definition in Table 2-13. CONSOLE port pin definition is shown in
2.2.34 Single CH 1:1 OLP Card (P1R1-P)
P1R1-P 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.
