SatLink VSAT User Guide
Publication no. 101557
Copyright © 2009 – STM Group, Inc.
Page 5 (160)
1. Introduction
The STM SatLink 1000, 1910, and 2000 are the indoor units (IDUs) of the STM SatLink VSAT family of
DVB-RCS VSATs. They perform several functions: they are satellite modems (at Layer 1); they handle
data link layer processing (at Layer 2) for both satellite and LAN communications; and they act as IP
routers and DHCP servers (at Layer 3). All SatLink IDUs provide an Ethernet 10/100 LAN interface for
one or more PCs to engage in two-way communication via a SatLink (or any DVB-RCS compliant)
satellite network.
Figure 1: STM SatLink 1000, 1910, and 2000 Indoor Units (IDUs)
Figure 2: STM SatLink
Outdoor Unit (ODU)
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