GX7200 Series

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21 Slot, 3U PXIe Chassis

  • 21 Slot Smart Chassis with health monitoring
  • Supports up to 20, 3U PXI or cPCI instruments
  • 790W and 1600W system power supply configurations
  • Flexible slot configuration offers 8 PXI-1, 8 Hybrid, and 4 PXIe slots
  • Supports up to 8 GB/s system bandwidth and peer to peer communication
  • Per slot health monitoring for temperature, power, fan control and PXI trigger mapping
  • Flexible controller options including Intel® mini-PC, embedded, or MXI Express interface


The GX7200 Series mainframes are 21-slot PXIe chassis that can accommodate up to 20 instruments as well as a PXI Express controller (an embedded CPU, a mini-PC/Thunderbolt interface, or a PXIe bus expander interface such as the MXI). The backplane architecture supports Gen 2 PCI Express bus signaling and the use of both x1, x4 or x8 system controllers. By offering a combination of PXI-1, Hybrid, and Express slots, the GX7200 offers users the ultimate in flexibility for general purpose as well as high bandwidth test needs.


A total of 790 watts of system power is available for the GX72x0 / 72x2 series chassis and 1600 watts of system power is available for the high power, GX72x5 series chassis. Forced-air cooling for the chassis is provided by (4) 79 CFM fans located under the card cage with a dedicated fan supplying cooling for the system power supply. This cooling configuration, in conjunction with air plenums within the chassis, provides airflow for all module slots per the PXI specification and requires no additional rack space for inlet or outlet air. The GX7205 and GX7215 employ four 100 CFM fans located at the bottom of the card cage assembly with a dedicated fan for the system power supply. The GX7205 / GX7215 chassis can support up to (8) GX5295 / GX5296 modules, located in the (8) PXI-1 instrument slots.

The GX7200 Smart Chassis supports the monitoring of slot temperatures and system power supply voltages as well providing the ability to program or map each PXI trigger line from one PCI segment to another. In addition, the user can program the temperature monitoring function for specific warning and shutdown limits as well as monitor and control fan speed. All user specific setups can be stored in non-volatile memory as a user configuration and can be used as the default setup for normal chassis operation.

For applications requiring a mass interconnect interface and the means to route cables to/from the rear of the chassis, MTS offers the GX7202, GX7212, GX7205 and GX7215 models.

These chassis include an integrated 2U cable tray, a hinged interface assembly that accommodates all popular mass interconnect devices, optional openings at the top & bottom of chassis for cable routing, and a recessed card cage (recessed by 2.5" or 4.5") providing up to 7" of space for interface wiring.

Chassis Controller Options

The GX7200 Series supports a variety of Slot 0 controllers and bus expander interfaces including the new GX7950 mini-Computer / Thunderbolt Controller Series (available on GX7201 and GX7206).  This state-of-the-art mini-PC delivers exceptional performance and flexibility with rear panel access to all peripheral interface connections, as well as access for maintenance and upgrades.  The GX7200 Series also supports traditional embedded controllers and MXI bus extenders.

Chassis Configuration

Slot 1 is dedicated to the system controller and supports a x1, x4 or x8 PXI Express controller. Slots 2, 9, 10 and 21 are PXIe, slots 3 - 8, 19 - 20 are PXI hybrid and slots 11 - 18 are PXI-1.


The chassis is supplied with the GxChassis software which includes a software library, driver, programming examples, a virtual panel application and documentation. The virtual panel provides a way to control, configure and display the smart chassis' features, including temperature monitoring, trigger line mapping, and power supply voltage monitoring. A 32/64-bit Windows DLL driver is provided with various interface files for accessing the DLL functions from a variety of programming tools and languages. Support for Linux for the chassis is provided using a separate software package - GtLinux.


Automatic Test Equipment (ATE), Data Acquisition, Process Control, Production Test, Scientific Applications, Industrial Systems