CDM-840 Remote Router MN-CDM840
Appendix L Revision 3
L–2
L.2 Operational Features
L.2.1 VMS (Vipersat Management System)
Figure L-1. VMS Graphical User Interface (GUI)
Figure L-1 shows a typical VMS graphical user interface (GUI). The VMS GUI displays a graphical
representation of the deployed modems and demodulators, remote subnets, RF carriers, and
switching events.
Figure L-2 shows typical deployment of a Comtech EF Data Advanced VSAT Network. The
Advanced VSAT IP Network operates at Layer 3 in a routed mode of operation that supports
dynamic mesh. A major advantage of the Vipersat technology is that its design encompasses the
use of Comtech EF Data’s Advanced VSAT offerings (CTOG-250 Comtech Traffic Optimization
Gateway w/CDM-800 Gateway Router and CDD-880 Multi Receiver Router at the hub site, and
CDM-840 Remote Routers with CDD-880 Multi Receiver Routers at the remote sites).
For example, the Vipersat technology accommodates a mesh environment as follows:
• Similarly-equipped CDD-880s are used at the Vipersat-enabled hub and at the remote sites.
The only differences between the network hub and remote site CDD-880s are the software
interfaces and VMS configuration of the units. This intuitive design and configuration allows
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