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We provide a wide range of products and integrated solutions using a variety of technologies and devices that are tailored to meet customer needs.


Our engineering solutions are designed for rugged and dependable performance. Our products have been rigorously tested and thoroughly reviewed and are highly respected for their performance and reliability. They are designed to meet the highest standards in the industry, ensuring that our customers get the best solutions for their needs.


Our solutions involve collaborating directly with customers to improve their mission operations and maintenance routines with progressive, reliable hardware and mission-oriented software that allows our customers to enhance and innovate the way they do their jobs.

Audio Interface






The Audio Interface Panel is a repackaged commercial off-the-shelf (COTS) two-input, two-output device that converts analog to/from headsets and digital Dante IP traffic.

The Audio Interface is designed to be paired with our Audio Server.

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Audio Server






The Audio Server is a repackaged commercial off-the-shelf (COTS) Digital Audio Network Server that provides automatic mixing, gain control, gating, and acoustic echo cancellation for headsets and a CODEC.


The Audio Server is designed to be paired with our Audio Interface.

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Crescent Systems has partnered with Crystal Rugged to provide an affordable COTS-based rugged server platform to support federal, state, and local special mission applications.

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KVM Switch






The KVM Switch is a four-port keyboard-video-mouse (KVM) that supports DVI-I video along with keyboard, mouse, and CAC peripherals.

The KVM is a repackage of a Blackbox KVM. 


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Rugged Router






The Rugged Router is a ruggedized Cisco 4331 router that supports carry-on Voice over IP (VoIP) phones, provides IP connectivity to onboard High Assurance Internet Protocol Encryptors (HAIPEs), and connects to the DVS DSS-2A Red Switch to support up to 24 channels of audio.

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The Codec is a repackaged commercial off-the-shelf (COTS) Cisco Codec that can be used as a standalone unit in some systems and can also be integrated with CSI’s VTC system.


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Intelligent Panel








The Intelligent Panel is a DSUZ-mount, Ethernet-connected alarm and status panel. It provides system health and status information and discrete outputs to facilitate additional external alarms and indicators.

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28 VDC Power Distribution Unit






Based on the latest generation of Solid State Power Controllers (SSPCs), our +28VDC Power Distribution Unit (PDU) can filter, distribute, control, and monitor up to 16 independent power channels. The PDU includes local and remote-control interfaces that provide real time feedback to support diagnostics.


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Smart Card Reader






The Smart Card Reader is a single port card reader in a Dzus rail housing. The card reader interfaces to a computer over a USB 2.0 connection and can be assigned to different virtual machines.

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Audio/Video Processor








The Audio/Video Processor (AVP) is a powerful miniature general purpose computer that combines dual multi-core microprocessors with an audio codec and a dedicated GPU; it’s well suited for intelligence, surveillance, and reconnaissance applications. 

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