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OptiX OSN 7500
Technical Manual - System Description
Unit
Protection
switching board
Ethernet
Processing board
interface unit
Interface board
(RPR)
Protection
switching board
ATM interface unit
GE, SAN and Video interface unit
WDM unit
SDH cross-connect matrix unit
Synchronous timing unit
SCC unit
Overhead processing unit
Power input unit
Inter-board communication and
power backup unit
Constituent board
ETS8
EMR0, EGR2
ETF8, EFF8
ETS8
ADL4, ADQ1, IDL4, IDQ1
MST4
MR2A, MR2C
LWX
GXCSA, GXCSB
GSCC
PIU
AUX
EOW
Huawei Technologies Proprietary
4-3
Function
Ethernet signals, and conduct
TPS protection for them.
Access and process
1000BASE-SX/LX/ZX,
100BASE-FX, 10/100BASE-TX
Ethernet signals. Support RPR
and conduct TPS protection for
Ethernet signals.
Access and process STM-4,
STM-1 ATM signal. ID series
boards provide IMA function.
Access and process GE,
FC/FICON, ESCON or DVB-ASI
service.
Provide add/drop multiplexing of
any two adjacent wavelengths.
Implement conversion between
client signaling wavelengths of
any rate (10 Mbit/s to 2.7 Gbit/s
NRZ code signal) and those
wavelengths complying with
G.692 standard.
Implement cross connection
between the SDH and PDH/data
signals and provide the
equipment with system clock.
Provide interface for connecting
the equipment with the NM
system and process the overhead
of SDH signals.
Support intelligent feature.
Provide power supply and protect
the equipment against abnormal
power.
Implement centralized power
backup function and provide
auxiliary interfaces externally (F1,
alarm and external clock).
Implement communication
between boards and provide
4 Boards
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