defense.ge-ip.com 21
single board
computers
atca
With limited real estate for mezzanines on next-
generation ATCA processor blades, adding I/O with
AdvancedMCs may not be an option. Intelligent
Advanced Rear Transition Modules (ARTMs) offer
a powerful, flexible solution. Using the Zone 3
connector through the rear of the ATCA blade,
Military strategy increasingly demands more efficient use of
computer networks to obtain the highest level of situational
awareness in the field. Achieving this growing requirement
will require greater use of distributed, network-centric multi-
processor computing technologies to gather and analyze data,
then distribute information garnered from disparate sensor
systems in the field. The American National Standards Institute
(ANSI) in 2007 ratified the VITA 46 standard, also known at VPX,
to facilitate interoperability at the board level, but the need
for similar interoperability at the system level quickly became
apparent. GE Intelligent Platforms participated in the development
of a VPX-based system specification that in 2010 was ratified
as VITA 65, or OpenVPX.
This new standard allows VPX interoperability to be brought
up to multi-vendor, multi-module integrated systems. The end
result is module-to-module, module-to-backplane, and devel-
opment chassis integration. OpenVPX specifies a set of system
architectures using existing VPX Ruggedized Enhanced Design
Implementation (REDI) standards and drafts with a minimum
of changes. It provides definitions for multiple planes for utility,
management, control, data and expansion, as well as a
variety of sizes for serial communication pipes.
OpenVPX also defines several types of profiles for structure
and hierarchy, including slot profile, backplane profile, module
profile, and development chassis profile. The backplane
profiles are further defined for centralized switching, distributed
switching, and hybrid backplane topologies. System-level
specifications defining interoperability points within the
architecture include backplane topologies and development
chassis, module-level pin out and protocol definitions, chassis
and backplane definitions for power and system signals, and
interoperability compliance recommendations.
Our GRA111 graphics board uses the NVIDIA GT 240 chipset
in a 3U form factor for radar systems and other mil/aero
applications. The GRA111 provides RS170, NTSC and PAL, DVI,
and VGA I/O for configuration flexibility, and can be air- or
conduction-cooled.
system designers can tailor the I/O capabilities of
their processor blades to their application. Intel-
ligent ARTMs do more than simply extend a port;
they add functionality to the processor blade. GE
can customize the functionality and the pinouts for
specific applications.
OpenVPX
network connectivity
(16 pages)
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