NETWORKING EQUIPMENT: Navy chooses NTDS networking gear from X-COM for land-based Aegis weapon test sites

U.S. Navy surface warfare experts needed Naval Tactical Data System (NTDS) shipboard networking components to support the Aegis shipboard combat system at land-based test sites. They found their solution from X-COM Systems in Reston, Va.

Officials of the Naval Surface Warfare Center Dahlgren Division in Dahlgren, Va., have announced plans to award an estimated $6 million contract to X-COM for NTDS digital switching, fiber-optic extender assemblies, and subassemblies for Aegis system testing and support.

X-COM will provide its XPS-32 32-port switch, XPS-CPU-M CPU card for multiple-chassis networking, XPS-CMS-A NTDS Type A channel line card and connector module, XPS-CMS-B NTDS Type B channel line card and connector module, MPS-32 32-port low-level serial switch, MPS-CPU-M CPU card for multiple-chassis networking, and NN-CAB-19 rack cabinet under terms of the contract.

The contract will call for X-COM to provide as many as 16 XPS-32 units, 16 XPS-CPU-M units, 20 XPS-CMS-A units, 40 XPS-CMS-B units, 16 MPS-32 units, 16 MPS-CPU-M units, and 10 NN-CAB-19 units. This equipment will support existing X-COM switching hardware, including parallel and serial switches and parallel and serial fiber-optic interface extenders for NTDS electrical interfaces for Aegis support.

Navy officials are choosing X-COM gear sole-source to support interchangeability with existing in-line hardware components at different land-based test sites, Navy officials say. The necessary equipment is not available from any other source.

The Navy has been using this kind of X-COM equipment since 1998, the company uses proprietary technology for fiber-optic conversion and multiplexing, and this kind of technology is being phased out of use, which leaves limited motivation for outside competition, officials say.

FOR MORE INFORMATION visit X-COM at, and Naval Surface Warfare Center Dahlgren at

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