Ethernet Redundancy - Comtech EF Data CDM-625 Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)

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CDM-625 Advanced Satellite Modem

Ethernet Network Configuration

16.6 Ethernet Redundancy

Once you have determined the best configuration for near-to-far end Ethernet networks, you

may add the appropriate redundancy switches to one or both ends of the link(s):

1:1 Redundancy is supported using either a CRS-170A L-Band 1:1 Redundancy Switch or

a CRS-180 70/140 MHz 1:1 Redundancy Switch, and a user-provided, off-the-shelf

Ethernet switch.

1:N Redundancy is supported using a CRS-300 1:10 Redundancy Switch or a CRS-500

M:N Redundancy System in 1:N mode (in a wired-thru or wired-around configuration),

and is supported in Single-Port Ethernet Bridge (Managed Switch) and Router Modes

(the optional IP Packet Processor is required for Router Mode).

Packet Processor Redundancy is supported in both 1:1 and 1:N redundant

configurations using the CRS-500 M:N Redundancy System.

Refer to the pertinent switch Installation and Operation Manuals for detailed information on

using the CDM-625 in a redundancy configuration.