4 System Architecture
4.1 System Architecture Diagram
Figure 4-1 shows the B593s-31A system architecture.
Figure 4-1 B593s-31A system architecture
4.2 Functional Modules
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LTE modem
− Processes baseband and radio frequency (RF) signals for LTE standards, for
example, modulates and demodulates LTE baseband signals and encodes
and decodes LTE channels.
− Sends and receives radio signals.
− Modulates and demodulates radio and baseband signals.
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Router CPU
Transmits data and voices from the wireless metropolitan area network (WMAN)
to the LAN.
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Voice digital signal processor (DSP) and Subscriber Line Interface Circuit (SLIC)
Provides voice and fax services.
!
LAN switch
Transmits data over Ethernet ports.
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