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C4ISR demonstrator system Pentek, Inc.
A C4ISR demonstrator system was assembled for the U.S. Army in a 19-slot HTL.v-C-19 chassis using interoperable function modules from different vendors.

Open System Serves Sensor-Based Applications

The sensor open systems architecture (SOSA) is showing the flexibility and versatility to adapt electronic function modules, such as single board computers (SBCs), from different suppliers within flight-qualified electronic-warfare (EW), and a radar system chassis. The SOSA technical standard was just used in a 3U VPX C4ISR demonstrator system for the U.S. Army using a combination of modules from Pentek, Herrick Technology Laboratories, and Kontron and taking advantage of the module interoperability of the SOSA standard.

“Herrick Technology Laboratories, Inc. of Germantown, Md., and another major U.S. system integrator have received shipments of the Kontron VX305C-40G SOSA aligned SBC for U.S. defense community applications,” said Mark Littlefield, Kontron’s vertical product manager for defense and SOSA standard contributor. “Herrick has integrated this SBC with a Model 71813 XMC board from Pentek which provides customizable I/O signal status and control for their new SOSA command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISR) demonstrator system for the U.S. Army.”

A goal of the SOSA Consortium is to create a common framework for transitioning sensor systems to an open systems architecture based on standards established by industry-government agreement. The SOSA standard establishes guidelines for C4ISR systems and promises many benefits, including improved interoperability of function modules, reduced systems development times, and reduced development costs.

The C4ISR demonstrator system was enclosed in an HTL.v-C-19 chassis with 16 payload slots and three power supply slots. Two slots were occupied by Kontron model VX305C-40G SBC and Pentek model 71813 digital input/output (I/O) XMC modules along with eight payload slots with multiple HTLv-1 and HTLv-2 dual- and quad-channel HF/VHF/UHF transceiver modules. In addition, several slots housed Gigabit Ethernet switches and one slot held a precision navigation and timing reference module. The interoperability of the modules from different vendors shows that system-level designs can be constructed with the open architecture approach by plugging in function modules as needed.

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