260-668066-001 Rev 024 February 2009 Vol. II-1-1Chapter 1. System OverviewThis section overviews the features and capabilities of Eclipse. It describes:• Eclipse Platforms on page 1-1• Eclipse Configuration and Management on page 1-17• Antennas on page 1-17• Power Supply on page 1-18• Platform Layout and Interoperation Data on page 1-18Eclipse PlatformsEclipse is available on two platform types, Terminal and Node. Both employ asplit-mount architecture with a rack-mounted indoor unit and direct-mounted ODUsconnected by a single coaxial cable. Refer to:• Eclipse Terminal on page 1-1• Eclipse Node on page 1-6• Eclipse ODUs on page 1-14Eclipse TerminalEclipse Terminals are single-link radios, comprising an IDU and ODU. Multiple IDUsare in the IDU 300 product group. Three ODUs are available for these IDUS.Terminals may be operated as single links, or networked where IDUs are back-to-backconnected via their tributary ports at intermediate sites.Most Terminals can be paired for protected link operation.Terminals may also be over-air interfaced to like Terminals of higher or lower ultimatecapacity and, with the exception of the IDUsp, to Eclipse Node.Refer to:• 300 Series Indoor Units on page 1-2• Eclipse Node on page 1-6