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M9018A PXIe Chassis 18-Slots, 3U, 8GB/s

Data Sheets

Data Sheet

Introduction

Product Description

The Keysight Technologies, Inc. M9018A PXIe chassis delivers the ultimate in flexibility, compatibility, and performance. With 16 PXIe hybrid slots, it allows the system designer to mix and match the number and location of PXIe and hybrid-compatible modules.

The advanced PCIe® switch fabric can operate up to Gen 2 speeds, and is compatible with most PXIe controllers. The innovative cooling design allows the chassis to fit into 4U of rack space, in most cases. When combined with the latest 1U rack-mounted computer, you can build a powerful system using only 5U of rack space.

Applications

  • Aerospace and defense
  • Communications
  • Electronics test
  • Semiconductor testing

Features

  • 16 PXIe hybrid slots, 1 PXIe timing slot, and 1 PXIe system slot
  • 4U chassis with innovative cooling design
  • High data bandwidth (maximum 8 GB/s to system slot and 4 GB/s slot-to-slot)
  • Advanced Gen 2 PCIe switching with four x8 links and 12 x 4 links to the hybrid slots
  • Configurable PXIe system slot

Customer Values

  • All slots are hybrid-compatible, providing complete flexibility in module placement
  • Advanced PCIe switching enables high-performance applications, and ensures compatibility with most embedded controllers
  • The innovative cooling design saves rack space and lowers maintenance costs
  • Up to 867 watts of power supports most application requirements

Hardware Platform

Compliance

The M9018A chassis is fully compliant with the PXI Express specification. Each hybrid-compatible slot accepts PXIe, hybrid-compatible, and 32-bit cPCI/PXI-1 modules (without J2 connector).

PXI-1 modules with both J1 and J2 connectors must be converted to hybrid format to be compatible. The PXIe system timing slot accepts either a PXIe timing module or a PXIe peripheral module. The system slot accepts a PXIe controller up to 4 slots wide.

Backplane configuration

The Keysight M9018A chassis provides 16 hybrid-compatible slots for the ultimate in flexibility and compatibility. This capability allows the system designer to mix and match the number and location of PXIe and hybrid-compatible modules. The hybrid slots are broken into two segments, each serviced by its own PCIe to PCI bridge.

The hybrid slots are organized into three trigger bus segments with configurable interconnections between segments.

The system slot has a flexible link configuration that can be configured for most PXIe controllers, whether embedded or external. Both 2-link (2x8) and 4-link (4x4) configurations are available. A 2-link configuration optimized for the M9021A is also provided (a 2x8, 2-link configuration, with link 2 inactive).

Advanced PCIe Switching

The Keysight M9018A contains an advanced PCIe switch fabric that operates at up to Gen 2 speeds. Four of the PXIe peripheral slots have a x8 PCIe link providing a maximum data bandwidth of 4 GB/s. The 12 remaining peripheral slots have a x4 PCIe link providing a maximum data bandwidth of 2 GB/s. The system slot has a maximum data bandwidth of 8 GB/s when all 16 PCIe lanes are utilized.

The advanced switch fabric also allows for peer-to-peer communications. Any peripheral slot can communicate with any other peripheral slot without utilizing the system slot PCIe links. The PCIe switches have a large crossbar capacity, allowing flexible placement of peer-to-peer modules without impacting data bandwidth.

Innovative Cooling

The M9018A chassis has an innovative cooling design that allows it to fit into 4U of rack space. This represents a 20 percent reduction in occupied rack space, considering most PXI chassis require 5U or more for air-flow. This space can be utilized for an external 1U controller via PCIe cable, resulting in a system that requires no more rack space than other chassis with an embedded PC controller.

The innovative cooling design uses auto-speed fans to expel hot air out the back rather than the top. This allows other instruments with bottom air intakes to be placed directly above the chassis. In addition, cool air is pulled into the chassis from multiple locations, including the front, sides, and bottom of the chassis.

Keysight-exclusive “air-inlet” modules can also be used to supply more cool air from the front of the chassis, so the air is directed to the other slots. These features allow the system designer to decide how to best cool the chassis, providing more design flexibility than other PXIe chassis.

Lower Maintenance Costs

The Keysight M9018A was designed to reduce maintenance costs. The innovative air-flow design does not require air filters to maintain. In addition, the power supply and fans can be removed while the chassis is mounted in a rack, allowing the chassis to be serviced, while keeping DUT cabling and modules in place

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