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Quidway® S8500 LSBM1SRP Main Control Board Series
CF card interface
The CF card interface uses the panel interface and supports standard limited hot swap of
CF card. It supports 256 M or 1 G capacity, for storing log, host version, alarm and other
diagnosis information, convenient for the online upgrade of switch software.
Clock interface
LSBM1SRP1N3 main control board provides four SMB coaxial clock interface, are used
as the external benchmark input for internal clock modules or the clock benchmark for
external devices.
Attributes
Connector
Number of ports
Service
The input port receives 2048 KHz or 2048 Kbps clock. The output port provides 2048 KHz
or 2048 Kbps clock externally. The clock type is selected through DIP on the clock pinch
board.
Application of Product
The LSBM1SRP main control board series can be applied in four systems: S8502, S8505,
S8508 and S8512. Each system has a main control board corresponding to it. The
relationship is listed below:
Board type
LSBM1SRP1M0
LSBM1SRP1N0
LSBM1SRP1N1
LSBM1SRP1N2
LSBM1SRP1N3
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SMB-75JYWHD1
Four
Provides stratum-3 clock interface, two interface used
as input and two interface used as output.
S8502
S8505
√
×
×
×
×
×
×
√
×
√
Description
S8508
×
×
√
×
√
S8512
×
√
×
×
√
4
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