CDM-425 Advanced Satellite Modem
Revision 0
Appendix I
I–2
MN-CDM-425
I.2
Ethernet Overview
I.2.1
Interface Architecture
Figure I-1. Ethernet Architecture Design
shows the internal Ethernet architecture for the CDM-425 Advanced Satellite Modem,
which features four built-in 10/100 BaseT Ethernet Ports (port configuration and statistics are
available on a per-port basis) connected to a single internal Ethernet Layer 2 Managed Switch.
I.2.2
Modes of Ethernet Operation
The Ethernet interface is configurable for
Managed Switch Mode
when the optional IP Packet
Processor is either not installed or installed but disabled; or in
Router Mode or Managed Switch
Mode
when the optional IP Packet Processor is installed and enabled. This interface design
allows for multiple customer Ethernet interfaces, as well as the convenience of daisy-chaining
together of multiple CDM-425s.
Additionally, because the M&C processor is connected to the internal Ethernet Switch, M&C
traffic is available via all LAN interfaces as well as via the over-the-air WAN interface.
Содержание CDM-425
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